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Sev07 Sev05 en

The SEV User Manual provides comprehensive information about the SEV valve system, including installation, operation, and troubleshooting guidelines. It emphasizes the importance of qualified personnel for installation and adherence to safety codes, while detailing the features and functionalities of the SEV valve and electronic card. The manual also includes technical specifications, connectivity options, and a structured table of contents for easy navigation.
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© © All Rights Reserved
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0% found this document useful (0 votes)
52 views44 pages

Sev07 Sev05 en

The SEV User Manual provides comprehensive information about the SEV valve system, including installation, operation, and troubleshooting guidelines. It emphasizes the importance of qualified personnel for installation and adherence to safety codes, while detailing the features and functionalities of the SEV valve and electronic card. The manual also includes technical specifications, connectivity options, and a structured table of contents for easy navigation.
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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SEV User Manual

Copyright ©2020

Blain Hydraulics GmbH

All rights reserved. No part of this manual may be reproduced, stored in a retrieval system, or transmitted, in
any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior
written permission of Blain Hydraulics.

Moreover, Blain Hydraulics reserves the right to change the information contained in this manual without any
notice

Every precaution has been taken in the preparation of this manual. Nevertheless, Blain Hydraulics assumes
no responsibility for damages resulting from the misuse of the information contained in this publication.

For support please contact

Technical support Sales


Pfaffenstrasse 1 Pfaffenstrasse 1
74078 Heilbronn, Germany 74078 Heilbronn, Germany

Tel: +49-7131-282132 | Fax: +49-7131-282199 Tel: +49-7131-28210 | Fax: +49-7131-282199

Email: info@blain.de | www.blain.de Email: info@blain.de | www.blain.de

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SEV User Manual

TABLE OF CONTENTS
1. General information .....................................................................................................................................4
1.1 Safety precautions & general warnings .............................................................................................. 4
1.2 Product introduction ............................................................................................................................ 4
2. The SEV card ..............................................................................................................................................5
2.1 Overview ............................................................................................................................................. 5
2.2 LED Diagnostics ................................................................................................................................. 6
3. The SEV valve .............................................................................................................................................7
3.1 Hydraulic circuit SEV 07 ..................................................................................................................... 8
3.2 Cut section SEV 07 ............................................................................................................................ 9
3.3 Valve operation .................................................................................................................................10
3.4 Initial Operations ...............................................................................................................................11
3.5 SEV adjustments and explosion drawing .........................................................................................12
4. Electrical installation ..................................................................................................................................13
5. Control valve installation ...........................................................................................................................14
6. Flow sensor and solenoid adjustments .....................................................................................................15
6.1 Adjustment of solenoids ...................................................................................................................15
6.2 Solenoid valve correction when fully loaded ....................................................................................16
6.3 Solenoid valve adjustment for relevelling .........................................................................................16
6.4 Adjustment of flow sensor ................................................................................................................16
7. Wi-Fi connectivity & security .....................................................................................................................17
8. Operation via smart device .......................................................................................................................18
8.1 Main menu ........................................................................................................................................19
8.2 Install Wizard ....................................................................................................................................20
8.3 Settings .............................................................................................................................................22
8.3.1 Date, time, units and valve settings ..............................................................................................22
8.3.2 Solenoid adjustments ...................................................................................................................23
8.3.3 Factory and Wi-Fi settings ............................................................................................................24
8.3.4 Advanced settings ........................................................................................................................24
8.3.5 Teachrun for solenoid and speed calibration ...............................................................................25
8.3.6 Rupture valve test .........................................................................................................................26
8.4 Data collection ..................................................................................................................................26
8.4.1 Elevator data.................................................................................................................................26
8.4.2 Travel data ....................................................................................................................................29
8.4.3 Log book .......................................................................................................................................30
8.4.4 Trouble shooting ...........................................................................................................................32
8.5 Status, Meldungen und Update ........................................................................................................35
9. Error relais .................................................................................................................................................36
10. Selection charts – valve inserts .................................................................................................................37
11. Flow – pressure chart (metric & imperial) .................................................................................................38

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SEV User Manual

1. GENERAL INFORMATION
1.1 Safety precautions & general warnings
Installation, operation and servicing of the SEV
should only be performed by qualified
personnel. Before installing the SEV package,
the "Quick Start Guide" should be read,
understood, and all safety precautions
mentioned in these documents and warnings
must be followed. The SEV must be installed
according to the descriptions in this technical
manual and in accordance with the local Figure 1: New Smart Servo Electronic Valve SEV 07
elevator safety codes and directives. with p-T sensor and new electronic card

1.2 Product introduction


The SEV package consists of:

1) SEV valve,
2) Electronic card,
3) User Manual.

Figure 2: Older version of electronic valve SEV05


without p-T sensor and new electronic card
The valve: The smart servo electronic valve has been integrated with a pressure and temperature sensor
alongside a flow meter. The existing design has been further improved by removing some adjustments to
simplify and quicken the set-up process. Integration of pressure and temperature sensors enable excellent
ride quality by providing real time compensation to pressure and temperature variations.

The smart electronic card: The onboard web server and Wi-Fi on the electronic card allows users to connect
with the card using any smart device (phone, tablet, laptop or PC). Setting up the system, making changes or
observing travel graphs of the elevator are possible via Wi-Fi connectivity. The platform is system independent
and can be accessed using any standard web browser independent of the operating system of the device used
for interacting with the card. Since the complete system is platform independent, there is no need to download
and install any app or software. The embedded software on electronic card stores all the settings, information
and travel logs. The step-by-step set up guide and multilingual interface software in SI and Imperial units make
inputting and monitoring information very easy and accessible.

Warranty information
Blain's SEV User Manual is provided for qualified personnel, who are competent in installing, adjusting and
servicing of hydraulic elevators. Blain Hydraulics assumes no liability for any personal injury, property damage,
losses or claims arising from in appropriate use of its product or incompetence of the installer.

Warranty expires, if:


 Components or spare parts different than the original ones are installed.
 Elevator system or SEV is installed or serviced by unqualified personnel.
 SEV package is installed in any location without applying the elevator safety codes (EN81-20/50,
ASME 17.1 or the existing local code).

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SEV User Manual

2. THE SEV CARD


2.1 Overview

O
B
000000
0000

C
SEV07 -
Blain

D N
E
M

H I J K L
A Mode switch I Input signals
B Memory card slot J Output signals
C Jumper for data upload K Error relay
D Type plate L Power supply 24 V DC / 18 V AC
E Flow sensor adjustment feedback M Error LED (red) / warning LED (orange)
F Temperature sensor connection N Power LED (green)
G Pressure sensor connection O Quit / confirm button
H Flow sensor connection P Slot for additional interface PCB

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2.2 LED Diagnostics


STATE LED SWITCH LED
The orange state LED flashes When switch “1” is set
slowly. Any other behaviour is to „ON“, the LED
related to communication flashes slowly. As soon
Green problems and reflects a defect. as a Wi-Fi connection to
Red a smart device is
established, the LED
lights up continuously.
BOOT LOADER LEDs Switch "2" is used to
Normal state: select the SEV valve
- Jumper non-bridged, version.
green and red LED will “ON” = SEV 07
light up alternately.
Update state:
- Jumper bridged,
update when powering “OFF” = SEV 05
SEV card in bridged
mode. If an update is
being processed, the
green LED will flash
rapidly until the update
is finished.

POWER LED
The green power LED
will continuously glow
FLOW LEDs as long as the
They indicate if the electronic card is
sensor has been supplied with power.
adjusted properly. If
the adjustment is set
higher or lower than
the range, the
corresponding LEDs
will light up to signal,
Orange
that the sensor has to
be readjusted. Red

INPUT AND OUTPUT SIGNAL LEDs DIAGNOSTIC LEDs


D (red), C (red), B (green), A (green) and Ins The orange “Warning”
(yellow) are reflecting the input signals into LED lights up in case of
the electronic card. an unexpected
Down (red) and Up (green) are the behaviour. If there is a
SENSOR LEDs major fault interfering
corresponding output signals and indicate the
(SEV07 only) with the normal
travel direction.
These will glow green if operation of the valve
the pressure- like the flow sensor or a
temperature sensor is coil being defect, the
connected properly. red “Error” LED will
light up and prevent the
SEV from functioning
until the error has been
fixed and reset by
pressing the “OK”
button.

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3. THE SEV VALVE


The smart Servo Electronic Valve (SEV) is controlled by closed loop digital electronics, providing consistent
travel characteristics elevators irrespective of load and oil temperature variations. An electronic card
regulates the performance of the car via proportional solenoid valves. The elevator operation can be
monitored, recorded and adjusted by a smart device using Wi-Fi connectivity. Additional intermediate speed
for maintenance runs can also be programmed.

SEV 05

SEV 07
Electronic card

SEV valves include the following essential features:


Self-cleaning pilot line filters Temperature and pressure compensation
Self-cleaning main line filter (Z-T) Built-in turbulence suppressors
70 HRc hardened bore surfaces Pressure gauge and shut-off cock
100% continuous duty solenoids Self-closing manual lowering

Technical data 1” SEV 1½” SEV 2” SEV 2½” SEV


l/min 40-180 Up to 430 Up to 580 Up to 1100
Flow range
(US gpm) (10-48) (up to 114) (up to 153) (up to 291)
Pressure range bar (psi) 9-70 (130-1000) 8-60 (116-855)
Burst pressure bar (psi) 400 (5800) 300 (4350)
Pressure loss bar ≈ 2 – 3 bar (29 – 44 psi)
(static) (psi) depending on flow and valve port size
Weight kg (lbs) 10 (22) 24,5 (54)
Oil viscosity 22-75 cSt. at 40°C (104°F)
Max. oil temperature 14°-61°C (57°-142°F) for oil VG46; 200 cSt – 20 cSt.
Optimal oil temperature 25°-50°C (77°-122°F) for oil VG46; 100 cSt – 30 cSt.
Ambient temp range 0°-70°C (32°-158°F)
Insulation class, AC and DC IP 68
Coils AC [24V / 1.8A], [42V / 1.0A], [110V / 0.43A], [230V / 0.18A]
[12V / 2.0A], [24V / 1.1A], [42V / 0.5A], [48V / 0.6A], [80V / 0.3A],
Coils DC
[110V / 0.25A], [196V / 0.14A]
Elec. card input 24V DC / 18V AC
Elec. card weight 0.5kg (1.1lbs)

Up travel Up to 1.0 m/s (197 fpm). 1 Full Speed, 1 Leveling Speed, 1 Inspection speed.

Down travel Up to 1.0 m/s (197 fpm). 1 Full Speed, 1 Leveling Speed, 1 Inspection speed.

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SEV User Manual

1” SEV 1½” SEV 2” SEV

Figure 3: SEV valve dimensions

Optional Equipment

EN Emergency coil DH High pressure switch


CSA CSA coils DL Low pressure switch
KS Slack rope valve BV Ball valve
HP Hand pump HX/MX Auxiliary down valve

3.1 Hydraulic circuit SEV 07

SEV 05

Control Elements Down adjustments


A Solenoid UP control U Bypass valve 7 Full speed limitation
C Solenoid Down control X Down valve 9 Manual lowering speed
D Solenoid Down start/stop V Check valve
H Manual lowering Y Down leveling valve
S Pressure relief valve

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SEV User Manual

3.2 Cut section SEV 07

SEV 05

SEV 07

R Q I V T U
X P

Cabin

XC

Cylinder F Y
8 2
Connections UC
P Pump port
9 7 E
T Tank port PT
Z Cylinder port

Horizontal
section

D C A

S
H
D C A AT
CT

Pilot pressure chambers


Vertical
UC Bypass chamber
section
XC Down valve chamber
Adjustment UP
8 H S 2
AT Up trim (page 13)
Adjustments DOWN
CT Down trim (page 13)
7 Full speed limitation
9 Manual lowering speed

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SEV User Manual

Control elements
A Solenoid Up control pT Pressure-temp.-sensor V Check valve
C Solenoid Down control Q Flow meter X Down valve
D Solenoid Down start/stop R Flow ring Y Manual lowering valve
E Early start valve S Pressure relief valve 2 Pilot orifice Up
H Manual lowering U Bypass valve 8 Pilot orifice Down
I Flow sensor

3.3 Valve operation


UP operation
1. With an Up signal, the pump-motor is energized and the electronic card´s Up program starts
simultaneously. Oil flows through orifice 2 into the bypass pilot chamber UC.
2. Coil A is energized and solenoid A (normally open) partially closes, reducing the volume of pilot
oil flowing out from the bypass pilot chamber.
3. The bypass valve U begins to close as pressure increases in the bypass pilot chamber. As the
bypass valve U is closing, the check valve V is opening while a steadily increasing volume of oil
is flowing into the cylinder displacing the flow meter Q.
4. The inductive flow sensor I, measures the increasing displacement of the flow meter. This value
is compared in the card with the target flow, which prescribes the acceleration, full speed,
deceleration and levelling speed of the car. Correction of the flow rate is made by varying the
power to coil A from the card, controlling the position of the bypass valve through pilot pressure
in chamber UC.
5. The comparison and correction of the flow continue throughout the complete Up operation of
the elevator.

DOWN operation

(Caution! Coil D is directly connected to the elevator´s controller, not to the SEV card!)

1. With a Down signal, coil D is energized, solenoid D (normally closed) opens and the electronic
card´s Down program starts simultaneously.
2. Coil C is energized from the card and solenoid C (normally closed) partially opens. Oil escapes
from the down valve pilot chamber XC through solenoid D (fully open) back to the tank, while oil
passes through fixed orifice 8 from the cylinder into the down valve pilot chamber XC.
3. The down valve X begins to open as pressure decreases in the down valve pilot chamber XC.
As the down valve opens, a steadily increasing volume of oil flows from the elevator´s cylinder
into the tank, displacing the flow meter Q.
4. The inductive sensor I measures the increasing displacement of the flow meter. This value is
being compared by the card with the set value of the target flow.
5. Correction of the flow rate is made by varying the power to coil C from the card, controlling the
position of the down valve through pilot pressure in chamber XC.
6. The comparison and correction of the flow continue throughout the complete DOWN operation
of the elevator.

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SEV User Manual

INSPECTION Speed

Besides full speed and levelling speed, an optional inspection speed is available by the SEV system.
Up and down inspection speeds can be independently adjusted between 0.05 m/s and 0.30 m/s.

3.4 Initial Operations


Valves are already adjusted and tested. Check electrical operation before changing valve settings.
Test that the correct coil is energized by using metal parts to feel magnetic pull. Once system is
installed correctly, it is ready for operation.

UP travel
Once an UP call has been made, it will take a few seconds before the elevator starts moving
since the pilot chamber UC is being filled with oil.
 Adjustment 1 – Bypass
With no load in the car, disconnect the SEV card (no power to coil A) and turn on the pump-
motor. Turn adjustment 1 ‘in’ until the car barely moves, then turn ‘out’ so the car stands. Turn
‘out’ another half a turn.

 Pressure relief valve S:


Turning it ‘In’ (clockwise) produces a higher, ‘out’ (c-clockwise) a lower maximum pressure
setting. After turning out, open manual lowering H for an instant to release pressure inside the
valve.
Important: When testing the pressure relief valve, do not close ball valve sharply.

 KS Slack rope valve:


Coils C and D must be de-energized! The KS is adjusted with a 3 mm Allen key. Turning the
screw K ‘in’ results in a higher pressure setting and ‘out’ in a lower pressure setting. To adjust,
turn K all the way ‘in’, then turn K ‘out’ until the empty car just begins to descend, then turn out
another half a turn to ensure that with cold oil the empty car can be lowered as required.

When an up call is given, the car may delay a few seconds whilst the pilot pressure chamber
UC fills with oil.

DOWN

 Adjustment 7 – Maximum speed limitation


Limit the down fast speed in case of wrongly entered technical data being programmed into
the card to avoid a possible overspeed of the car. For fine tuning, as the elevator reaches the
full speed, no. 7 can be turned in until the vibration of the down valve is felt, then turn no. 7
half a turn out.

 Adjustment 9 - Emergency Down Speed


With no load in the car, turn no. 9 in until it is 5 mm away from the flange face. Open the
manual lowering H. Turn no. 9 out until the speed of 3 cm/s (6 ft/m) is reached. The elevator
travels at the speed of adjustment No 9 as the manual lowering knob is opened or when coil D
is energized. Levelling speed should be between 5 – 7 cm/s (10 – 14 ft/min).
Adjustment 9 is the lowest speed to be controlled by the electronic card. Therefore it should be
adjusted lower than the levelling speed.

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SEV User Manual

3.5 SEV adjustments and explosion drawing

SEV 07 H CT S AT

KS 9 7

H CT S AT

SEV 05

KS 9 7 1

Adjustments Highlighted valve parts


CT Trim solenoid C H Manual lowering
S Pressure relief valve X Down valve
AT Trim solenoid A Y Down levelling valve
KS Slack rope valve (optional) V Check valve
9 Manual lowering speed U Bypass valve
7 Maximum speed limitation
1 Bypass adjustment

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SEV User Manual

4. ELECTRICAL INSTALLATION
Lift Controller SEV card
Power ,
supply
coil D

R1
21
Card internal
22
23
relay

24
25

D1 Down levelling (coil D) 1 2 3 4 5 6 7 8 9 10 11 12 13 16 17 18 19 20


D2 Down levelling
C Down full speed
B Up full speed
A Up levelling
I Inspection 24 V DC
18 V AC
PIN Explanation
1 Flow sensor - power supply (brown)
2 Flow sensor - sensor signal (black)
3 Flow sensor - neutral (blue)
4 Input signal "D" Down start/stop
5 Input signal "C" Down control
6 Input signal "B" Up full speed
7 Input signal "A" Up control
8 Input signal "I" inspection
9 Optional ext. power supply for signaling Electrical travel
10 Int. power supply for signaling Sequence UP DOWN
11 Output signal "C" Down Normal travel: Motor+A+B D1+D2+C
12 Output signal "A" Up Inspection: Motor+A+B+I D1+D2+C+I
Slow speed: Motor+A D1+D2
13 Output signal neutral for Up and Down
16 Error relay NC – closed if OK – open if fault I C D2 D1
17 Error relay COM
18 Error relay NO – open if OK – closed if fault
19 Supply voltage ground
20 Supply voltage live 18V AC / 24V DC
21 Temperature sensor C (white wire)
22 Temperature sensor B (grey wire)
23 Temperature sensor A (green wire)
Motor

24 Pressure sensor power 24 V (red wire)


25 Pressure sensor signal (yellow wire) A B I

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SEV User Manual

5. CONTROL VALVE INSTALLATION


Check the following:

1. The flow on the data plate of the valve complies with the flow rate of the pump (±10 %).
2. The minimum and maximum static pressures on the valve data plate is in accordance with those of the
elevator.
3. The electrical supply to the SEV card is 24V DC or 18V AC and 50VA.
4. The star – delta timer is to be set between 0.3s and 0.4s
5. The flow ring R, bypass valve U and down valve X have been chosen correctly according to the selection
charts in section 11.
6. On standby the value of the flow sensor must be adjusted between 4.8mA and 5.3mA (see section 6.).

Installation of the SEV Valve onto the Power Unit


For a compact and time saving installation as well as easier servicing and protection of the flow meter, cylinder
connection Z of the SEV is fitted with the Blain ball valve G1“, G1.5“, G2“or G2.5“.
Installation of the SEV Card into the Controller
The SEV Card can be connected with any standard type hydraulic elevator controller. The power to coils A
and C is supplied from the card. Power to coil D is directly provided by the main controller. Page 11 shows the
detailed wiring diagram for connecting the SEV card to the elevator controller.
Installation of Deceleration Switches in the Elevator Shaft
Slow-down (deceleration) and stop switches should be set according to the following recommendations
Recommended switch positions and levelling speeds
Metric Imperial
Stop Decel. Stop
Decel.
Travel Levelling switch Travel switch Levelling switch
switch
speed speed before speed before speed before
before floor
floor floor floor
m/s cm m/s cm fpm in fpm in
0.3 25 0.06 1.0 60 10 12 0.4
0.4 45 0.06 1.0 80 17 12 0.4
0.5 60 0.06 1.0 100 24 12 0.4
0.6 75 0.06 1.0 120 30 12 0.4
0.7 95 0.07 1.5 140 37 14 0.6
0.8 110 0.07 1.5 160 43 14 0.6
0.9 130 0.08 2.0 180 51 16 0.8
1.0 145 0.08 2.0 200 57 16 0.8

Depending on customers priorities, for travelling time or stopping accuracy, the recommended values for
levelling speeds may be modified, i.e. for faster floor to floor times; faster levelling speeds, for more accurate
floor stops; slower levelling speeds.

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SEV User Manual

6. FLOW SENSOR AND SOLENOID ADJUSTMENTS


6.1 Adjustment of solenoids
The adjustment of the solenoid power level is necessary, if parts of the solenoids have been changed during
servicing. Solenoid power level has to be adjusted to ensure the valves best possible performance and to
produce a quick and smooth initial movement of the car away from the floor. The travel direction is shown by
the color of the LEDs. Green LEDs are referring to Up direction while red LEDs are used for Down direction.

Within the “MAIN MENU” and the “Status”, the digital Trim screws at
value of the UP solenoid (A) or DOWN solenoid (C) solenoids A and C
during an UP or DOWN travel is displayed. Depending (3mm Allen key)
on travel direction, the green LED for output signal A
(Up) or red LED for output signal C (Down) will be
illuminated.
As basic setting, the adjustment screw is turned out all
the way out and then turned in for 3.5 turns. For
finetuning the adjustment screw should be turned
slightly "in" or "out" in order to increase or decrease its
digital value.
If the elevator runs at a constant speed, i.e. at full speed
or slow speed, this digital value should ideally be
around 2100 ± 200. To alter the value, turn the trim
screw in or out.
If possible, the adjustment should be made during slow speed, as there is more time for adjusting between 2
floors. The starting value for acceleration is 2400. Since the SEV card always starts with this value in the
standard setting, the solenoid valve adjustment should ensure a quick and soft start.

Alternatively, after the basic setting, you


can also activate the self-learning (teach SEV5:
mode) for optimal setting of the solenoid
valves. To do this, switch on the DIP3. Then SEV7:
the activation is displayed as follows.
Attention! Teach runs have to be
executed under no load condition!

Now start the empty lift and let it run until the display for a successful learning run appears. The numbers for
the currently determined optimal starting value appear behind the two solenoid valves A and C. This should
be in the range of 2400 ± 300.
If there are green ticks behind the numbers, then the starting values are
within the allowed range. If black arrows appear, then the setting of the
solenoid valve is too high or too low. If the value is
too high, then turn the adjustment screw ¼ turn
counterclockwise and if the value is too low, turn it in
the opposite direction accordingly. Depending on the
deviation from 2400 and the gain, you still have to readjust 1/8 turn to get within
the permissible range.

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6.2 Solenoid valve correction when fully loaded


After the adjustment of the solenoid valves for the unloaded condition has been successfully completed, a
correction for the loaded condition may be necessary under certain circumstances.
Under "Settings" -> "Valve settings" -> "Solenoid valve settings", the starting behavior at nominal load can be
corrected using the correction value parameter.
If having a delayed take off, the correction value should be increased, e.g. from 100% to 110%. If, on the other
hand, the take-off occurs with a jerk, the correction value should be reduced.
6.3 Solenoid valve adjustment for relevelling
With the relevelling it is possible to set its starting behavior under "Settings" -> "Valve settings" -> "Solenoid
valve settings" using the "Relevelling" parameter. The solenoid valve setting for the relevelling can assume
values from 1 (delayed but gently) to 10 (rapid but with a jerky take off). The default value is set to 4.

6.4 Adjustment of flow sensor


Attention!
Flow sensor is already factory adjusted. Readjusting is only necessary when replacing sensors.

Vertical sensor adjustment

If the sensor value [mA] under static condition is not set between 4.8
and 5.3 mA, close the ball valve and open manual lowering to drop
the valve pressure, loosen up the lock screw of the sensor and turn
the knurled sensor-head in or out until the value is between 4.8 and
5.3 mA. Re-tighten the lock screw. 1
Attention: Adjusting the sensor value below 4.5 mA may cause the 2
sensor to press against the flow meter! 3
4
Radial sensor adjustment

For radial adjustment of the sensor loosen the bushing lock nut (4),
without turning the sensor bushing (2). Operate the elevator to run 1 Sensor head
Up and Down at leveling speed. Measure the speed with stop watch 2 Sensor bushing
or tachometer. Levelling speeds for both directions should have the [19 mm (3/4”) spanner]
same value. If Down leveling speed is slower than Up leveling 3 Sensor lock screw
speed, rotate the bushing (2) clockwise by 15° and re-measure the (3mm Allen key)
leveling speeds. If Down leveling speed is faster than Up leveling 4 Bushing lock nut
speed, rotate the bushing (2) counter-clockwise by 15° and re- [32 mm (1 1/4”) spanner]
measure the leveling speeds.
Repeat the process of rotating the bushing in clockwise or anti-
clockwise as required to set the Up and Down leveling speeds to be
practically the same. Re-tighten the bushing lock nut once the setup
is finished.

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SEV User Manual

7. WI-FI CONNECTIVITY & SECURITY


The SEV card is delivered, as shown in the picture to the right.

Switch 1 – The Wi-Fi switch in ON position allows communication with the


electronic card using a smart phone. The on-board Wi-Fi access point is
available for accepting connections.
Switch 2 – The OFF position enables the electronic card to be used for SEV-05 valves. The ON position is to
be used when using SEV-07 valves with pressure and temperature sensors.
Switch 3 – “ON”: Teach mode for solenoid adjustment is activated
Switch 4 – not in use
Because the software for communicating with the card resides on the card itself and is browser-based, no
additional software installation is required on your smart device. This allows the use of any smart device
regardless of the operating system or software architecture. It is recommended to use Mozilla Firefox for
Android or Safari for iOS as web browser.
To connect with the SEV card using your smart device, In order to safeguard unauthorized access to the
ensure the switch 1 to be in ON position. The Blue electronic card, the Wi-Fi should be switched
LED will flash during the process of establishing a Wi- OFF on completion of setup / configuration /
Fi connection. Once a stable connection is established, monitoring.
the LED would stop flashing and remain ON.

Step 1 Step 2 Step 3 Step 4

Identify and connect with Provide the password to Once connected, tap on Once the authentication
the BLAIN-SEV Wi-Fi get connected. The the Wi-Fi to get into the is completed, a loading
from your smart device. default password is configuration. Tap on screen will appear
12345678. “Manage router” to
access the SEV card
During the time the smart device is connected with your preferred
with the SEV card, no internet connectivity or browser (Firefox
other network connections are possible.
recommended).
Alternatively open your
preferred browser and
Password: 12345678 provide the IP address
IP address: 192.168.4.1 192.168.4.1 in the Once loading is
navigation bar. complete, the MAIN
MENU can be seen.

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8. OPERATION VIA SMART DEVICE

0 - Language 2 - Settings 4 - State


Notifications
2.1 Date / Time Set date and time
0.1 German 2.2 Units metric / Imperial
Acceleration
4.1 State
0.2 English Speed mode
Sensor adjustment
2.3 Valve settings
Pressure relief valve 4.2 Notifications
0.3 Spanish Gain value
Dither amplifier
Reset elevator data 4.3 Update
Reset travel data
Reset all data
2.4 Factory settings Save as factory
settings
Save parameters
Load parameters
SSID
2.5 Wi-Fi settings
Password
Teach run
Rupture valve test
2.6 Advanced
Sensor calibration
settings
Sensor table
Variables

1 - Install wizard 3 - Data collection

1.1 Welcome screen Introduction 3.1 Device ID ID

Transmission Cylinder data

1.2 Cylinder data No. of cylinders Pump data


3.2 Elevator data
Piston type / diameters Weight
Performance Pressure
1.3 Pump data
Efficiency Up travel
Empty cabin 3.3 Travel data Down travel
1.4 Weight & Payload
Inspection travel
pressure Min. pressure
Max. pressure Last runs
3.4 Logbook
Speed Reset counters
1.5 Up travel data Acceleration General error
Soft stop 3.5 Trouble shooting Error Up travel
Speed
1.6 Down travel data Error Down travel
Acceleration
1.7 Inspection travel Up speed
data Down speed
1.8 Final screen Final information

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8.1 Main menu

The language of the software can be


changed by pressing the country flag
symbol in the upper left corner.

Once the desired language has been selected, enter the date, time and
preferred unit system in the “Settings” menu. To return to the “MAIN
MENU” from any point in the submenu, use the " MAIN MENU " button.

The “Install wizard” is being used to assist during valve setup and serves
as a step by step guide to help users entering the complete and correct
necessary elevator data.

The “Data collection” gives an overview about all entered data to make
changes if necessary and it gives access to the “Logbook” and the
“Trouble shooting” sections.

In the “Settings” menu you can change units, valve and Wi-Fi settings or
reset settings to factory settings if desired.

The “State/notifications” shows the status of the system and allows for possible updates.

The “Access” button gives the user the possibility to enter and change passwords necessary for accessing
the features of the software. Only with correct access changes can be made.

Furthermore the “MAIN MENU” acts as the first tool for analyzing and setting up the valve. Values for pressure,
temperature and flow are displayed. In case of no readings the connections need to be rechecked or the
sensors changed. LEDs for input and output give feedback for diagnostics. While traveling constantly in full
speed or levelling speed in Up or Down direction, the highlighted digital value should stay in the range of 2100
± 200. The green check marks should show up behind the digital values of the solenoids giving feedback of
the correct starting values.

The following section of this installation manual describes how to set up and service the valve with the help of
the software. The most important points of navigating the menu will be covered and the sub menus “Install
wizard”, “Data collection”, “Settings” and “State / Notifications” will be explained in detail.

Please note: Changing data is only allowed when correct access codes are being input!
The standard level 1 code is 1111 and can be changed by the user by pressing the access
button.

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8.2 Install Wizard


The installation wizard only needs to be used when a new SEV card is taken from storage. In the case of a
new installation or spare parts delivery directly from the factory, the data has already been entered and the
wizard does not need to be used. The "Data collection" submenu should be used to check the existing data.
Before the installation wizard is started it is highly recommended that all technical data of the lift is readily
available and that the input unit is correctly selected. The choice for unit’s selection between Metric and
Imperial can be made from the “Settings” menu > units from the home screen.

←Left
After starting the install wizard and
reading the welcome screen, you
are asked to enter the necessary
cylinder data. Pressing the buttons
for the different piston types will
bring up a dialogue field (screen on
the right), where the desired values
can be entered. To change
transmission ratio or number of
cylinders, tap on the corresponding
values.
The effective piston diameter is
calculated depending on the
entered data. Changing its value will
override all other data.

Right→
Select a piston type and enter its
diameters by tapping on the values.
Use the confirm button on the
bottom right to get back to the
screen on the left.

←Left
Enter the pump performance data
provided by the manufacturer. Due
to changes in load and oil viscosity
the pump will not always deliver its
full flow. Furthermore some flow is
needed by the SEV to regulate and
provide constant speed and travel
time. 90 % efficiency is an
approximated value.

Right→
Provide the static weight of your
elevator system and the pay load
data. Alternatively the values for
minimum and maximum pressure
can be entered. Please note, that
entering the weight automatically
calculates the pressure and vice
versa.
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←Left and Right→


Enter your desired speeds,
acceleration and deceleration times
of the Up travel as well as the Down
travel.
Your full speed in Up direction is
already being calculated based on
the entered piston and pump data.
Speed in Down direction is limited to
196,85ftm (1m/s). Values shown in
imperial units are displayed after
being converted from Metric system
and therefore vary slightly from the
actual value. Soft stop controls the
final stop into the landing zone in Up
direction. Making it too soft
(choosing a smaller value) may
cause the elevator to continue
traveling and surpassing the floor
level. The relevelling can be set
between 1 (delayed but gently) and
10 (rapid but with a jerky take off).
Standard value is 4.

←Left
The inspection travel speed for Up
and for Down direction can be set
here. The speed can be used for
inspections or short floor distances.
Press continue to proceed further.

Right→
Once you reach the final screen,
the install wizard ends, confirming
that the entered data has been
saved successfully on the
electronic card. In order to review
and change all entered data, you
can run the install wizard again or
check the “Data collection”.

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8.3 Settings
8.3.1 Date, time, units and valve settings

←Left
Within the settings you can change
the date and time, set the units
between metric and Imperial and
access the “Settings” sub menus
Right→
This section gives you the option to
improve your travel quality in case
of setup problems or wrongly
chosen insert sizes. The gain value
can be used to even out the
problems caused by wrong insert
size selection. The dither amplifier
is used to get rid of vibrations
experienced while travelling.
Warning: Adjustments for Gain and
Dither should only be done once
Blain Hydraulics tech support has
been consulted. Speed mode can
be either set to Constant Speed
Mode or Energy Saving Mode. The
pressure relief valve allows a setup
while receiving live feed from the
pressure sensor within the system.

←Left
2.3.1 The acceleration can only be 2.3.2
adjusted via Wi-Fi on the SEV07.
Size 2 is installed as standard. Size
1 is used for lower pressures; for
larger ones, size 3. Compare this
value with the built-in throttle and
adjust if necessary. Value has no
meaning for SEV05.
Right→
Usually, speed is controlled by
following a constant target value
(speed mode CSM).
The energy saving mode (ESM)
can be used to optimally use the
pump flow rate. In this case the
target speed is adjusted to the
current speed for each travel.
Speed is depending on the load.
The flow rate of the pump changes,
which leads to different floor to floor
travel times. To ensure that the
slow speed times remain the same,
the deceleration phase is varied
accordingly.

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8.3.2 Solenoid adjustments

←Left
2.3.3 If parts of the solenoid valve "A" or 2.3.4
"C" are replaced (pre-setting:
complete out and 3 turns in) or the
solenoid valve setting is changed, a
teachrun with an empty cabin must
first be carried out (see 8.3.5). Then
the correction for the approach in the
loaded state takes place. If the
approach takes too long (increase in
the coil value), the correction value
(only SEV7) must be reduced; if it is
too hard be increased accordingly.
The calculation of the correct
correction value is displayed as a
suggestion and should be adopted
with the correction value. Depending
on the deviation from the ideal value,
the correction is made 2-3 times.
Right→
The setpoint for the pressure relief
valve is calculated from the maximum
pressure entered and multiplied by
factor 1.4. The current actual value
(SEV07 only) can be used for setting.

←Left
2.3.5 The gain factor is used for better 2.3.6
control and to equalize the input
sizes. A larger value shortens the
response time of the valve (Caution!
Vibrations if the value is too large). A
decrease dampens the responses
from the valve.
The default value is 8.

Right→
The dither value from the controller
prevents the solenoid valve from
sticking when the control value
changes. Decreasing it reduces this
responsiveness; an increase can lead
to vibrations.
The default values are shown.

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8.3.3 Factory and Wi-Fi settings

←Left
2.4 From this menu you can reset 2.5
different data you previously
entered and reset everything to
factory settings. The factory
settings are set by the customers
themselves or Blain Hydraulics
according to customer data.
Additionally settings can be
uploaded to and downloaded from
the SD card.

Right→
The Wi-Fi settings allow
modification of the SSID and its
corresponding password.
The current Wi-Fi version is shown
as well.

8.3.4 Advanced settings

←Left
The “advanced settings” menu
2.6 allows to carry out teach runs for
the solenoid as well as for the
sensor and rupture valve tests.
Changing sensible sensor values
and variables is reserved for Blain
Hydraulics technicians.

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8.3.5 Teachrun for solenoid and speed calibration


←Left and Right→
2.6.1 To carry out the teach run, the DIP3 2.6.1
switch must be switched "ON". The
teach run of the solenoid valve is
used to correct imprecise manual
settings on the solenoid valve.
During the self-learning phase, the
system will start up frequently in
succession until it has found the
appropriate starting value. If the
value has been determined and is in
the range of 2400±300, then the
teach run has ended successfully. If
the journey is aborted during the
learning phase, the message "teach
run incomplete" appears. If the
value is outside the permissible
range, the solenoid valve must be
readjusted and the teach run carried
out again, even if the “teaching
successful” message appears.

←Left and Right→


To calibrate full speed, the elevator
2.6.2 must run at full speed and reach a
2.6.2
constant speed. To calibrate the
slow speed, the elevator may only
start at slow speed (relevelling). To
do this, only give a slow speed
signal or, alternatively, disconnect
terminal 6 (up) or terminal 5 (down)
from the card and give a full speed
signal. In this case, the card only
receives a slow speed signal. If the
elevator runs at the same speed, the
run can be interrupted and the slow
speed calibrated. Once finished
reconnect the terminal(s).

The "Teach run" menu is used for fine adjustment of the main speeds (full speed and/or slow speed), if they
do not match the target values. Only the speed of the last trip in the direction traveled can be edited, all others
have a gray background. A teach run may become necessary if the sensor, the electronic card or the flow
meter have been changed. The new data is immediately adopted in the sensor table!

If you enter the wrong data without running again, enter the data correctly or reset to standard values!

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8.3.6 Rupture valve test

←Left
2.6.2 Before the “rupture valve test” is
carried out, a warning is shown.
After the warning perception there
is a short briefing before the screen
on the right appears. This test
should only be performed by
qualified personnel (code:4646)!

Right→
Follow the instructions on screen to
test your rupture valve. The default
setting of the testing time is set to
0.75 s for security reasons. After
the test time limit is reached, the
control valve will decelerate the
elevator. If test time is too short for
the rupture valve to be activated,
the time can be increased. Once
the slider is triggered, the test can
be carried out within the next 300 s.
The test will be disabled when
leaving this screen.

8.4 Data collection


8.4.1 Elevator data

←Left
The “Data collection” sub menu
3.1 provides an overview of the existing 3.2
data stored on the card. Data can
be entered here when selecting
“Elevator data” or “Travel data”. In
addition there is access to the “Log
book” as well as the “Trouble
shooting”. The “Logbook”
provides an overview of travel logs
with the option of looking at its
travel graph. “Troubleshooting”
offers help on most common errors.

Right→
Within the “Elevator data” menu
section you can check the data for
your piston, pump, weight and
pressures and change them if
desired.

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←Left
In addition to the number of
3.2.1 cylinders and the transmission
ratio, the piston type and its
respective diameter can be set in
the “Cylinder data” menu.
The effective piston diameter
calculated from these 3 data can be
edited if required.

Right→
The piston diameter of the push
type piston is entered under the
Normal piston type.

←Left
When using a pull type piston, the
two relevant diameters must be
entered here.

Right→
In the case of using a telescopic
piston system, the number of
stages must first be entered before
the diameter of each stage can be
edited.

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←Left
Enter the pump parameters
3.2.2 according to the manufacturer's
specifications. The flow rate of the
pump is reduced by load and high
oil temperature (change of oil
viscosity). This is determined by the
efficiency. In addition, a certain oil
flow in circulation is required for the
flow regulation of the SEV valve.
Based on experience, the value
should therefore be set to 90%.

←Left
If the data for the empty weight and
3.2.3 the payload are entered, the
3.2.4
pressure is calculated automatically
in the next step.

Right→
Alternatively, you can also enter
the pressures and the weights will
be calculated.

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8.4.2 Travel data

←Left
In the "Travel data" menu, the
3.3 travel parameters for the up and 3.3.1
down as well as inspection travel
can be viewed and set separately.

Right→
In addition to the setting of the
speeds for full and slow travel, a
value for the soft stop can also be
entered. 100% indicates the same
deceleration as when transitioning
from full speed to slow speed.
0%, on the other hand, refers to no
deceleration (too soft) until the
motor is being turned off. The
relevelling can be set between 1
(delayed but gently) and 10 (rapid
but with a jerky take off). Standard
value is 4.

←Left
For the down travel the
3.3.2 parameters for the speeds,
3.3.3
accelerations and decelerations
can be viewed or changed.
.

Right→
The inspection speeds can be
viewed or changed in this area.
These speeds can be used for
short stops or as a 3rd speed
option.

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8.4.3 Log book

The "log book" provides information about the last saved trips. Each trip can be identified by its date and time.
Additionally, the travel diagrams can be called up by pressing on the individual run. The symbols and
are used to navigate between the pages. Various views enable the analysis of ride characteristics and
valve settings.

Monitoring is beneficial for quick and easy diagnose and identification of errors for technical support.

By selecting the year, month and day, you get to the “last runs” overview for this
day. The last trip is always listed at the top and the first at the bottom.

If more than 10 runs are saved on this day, the symbols for scrolling appear at the
bottom. With you get to the last trip of the day, which is trip no. 1.

Choosing a date will provide a travel overview. When selected its travel graphs can
be analyzed. There are three different views to choose from. Each view will display
different channels for analyzing.

View 1 is the most common one to analyze the travel


characteristics of the elevator. The actual and target speed
values for Up and Down directions as well as the solenoid
power level and the acceleration values are displayed.
Examples are given below.

View 2 gives a more detailed look into values of the PID


controller and will be used mainly by Blain Hydraulics
technical support for system diagnostics.

View 3 shows the pressure and temperature changes during


the travel. Each view has the same basic layout and buttons
to fulfil the same functions.

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1 Chosen channel
1 2 Scale of chosen channel
4
3 Back to view selection
2 5 4 Move to the left
5 Swap between move and
6 zoom function
6 Move to the right
3 7 7 Change channel

Depending on the selected channel (1), the scaling (2) adapts automatically. Y-axis values depend on the
measurement system selected in the “Settings” menu and can be shifted using the icons. Pressing the
“Back” button (3) results in a return to the view selection. When the crosshair icon (5) is displayed, the x-
axis can be shifted using the left (4) and right (6) arrow icons.

By pressing the crosshair icon , the arrow icons change into lens icons to make use of the zoom function
(zoom in and zoom out ) and the lens replaces the crosshair.

The button (5) allows to switch between different channels in each selected view. The color of the
travel graph indicates the travel direction (green – up direction; red – down direction).

View 1 – (e.g. Up travel)

 Target trace
 Actual speed value Up
 Actual speed value Down
 Solenoid digital value
 Actual acceleration value

View 2 – (e.g. Down travel)

 Target trace
 Actual speed value Up
 Actual speed value Down
 Status
 Proportional term
 Integral term
 Derivative term

View 3 – (e.g. Down travel)

 Target trace
 Actual speed value Up
 Actual speed value Down
 Pressure
 Temperature

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8.4.4 Trouble shooting

←Left
In the "Troubleshooting" section,
5 information is provided about the
5.1
most common problems
encountered while or before
traveling in either direction.

Right→
In terms of errors, there are
different symptoms, which can
occur on the elevator system
caused by the control valve. If you
click on the button describing the
symptoms, a new window appears
with possible causes and
suggested solutions.

General errors

Problem Cause Recommended


1. Cannot set the Spring of solenoid A and/or C is
Insert spring.
digital value of the missing.
solenoids A or C to Needles of the solenoids 'A' and 'C' are
Insert the correct needles for A and C
2100 PWM. swapped.
Error notification on the card: sensor
2. No travel in UP Clear error and quit notification.
faulty.
direction and only
No input signal to the SEV card. Check the main controller signaling.
slow travel in
DOWN direction. Simultaneous Up and DOWN signal Check signal input and only give a
input on SEV card. signal for one direction.
3. Elevator always
Elevator is travelling faster than set Adjust sensor correctly. Look at sensor
passes the floor
speed. Sensor is not correctly adjusted. adjustment in SEV manual.
level.
4. Can't adjust the Sensor is faulty. Change sensor.
flow sensor to
standard settings. Broken spring in the flowmeter. Change flow meter.
5. Pressure- Check connection and signal input to
Connection problem.
temperature sensor SEV card. Change sensor if necessary.
not functioning or no Flip switch Nr. 2 on SEV card to use
reading on main Sensor defect. SEV valve without p-T sensor. Change
menu. sensor (middle flange).

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I. Valves are already adjusted and tested. Check all electrical connections and correct coil
supply before changing valve settings.
II. Make sure all parts are properly mounted after servicing the valve.

Up direction travel
Problem Cause Recommended
Coil 'A' not energized, voltage too low. Lift coil to check magnetic force.
Insufficient voltage supplied to SEV Supplied Voltage to SEV card has to be
card. 24 V DC.
Run elevator with leveling speed in UP
Spring preload of solenoid 'A' not
direction and set digital value of
properly adjusted.
solenoid 'A' to 2100.
Solenoid 'A': tube not screwed down
1. No UP start. Tighten solenoid 'A' tube.
tight.
Elevator remains at Insert smaller bypass flow guide (flow
floor level. Bypass flow guide 'U' is too large.
chart).
Pressure relief valve 'S' is set too low. Set relief valve higher (turn in).
Check motor direction, install pump
Pump running in the wrong direction.
correctly.
The pump connection flange is leaking. Seal the pump connection.
The pump is undersized, worn or
Select bigger pump or change pump.
cracked.
Short delay valve is not closing. Change short delay valve.
Bypass flow guide 'U' too small. Insert larger bypass flow guide.
O-Ring 'UO' on bypass flow guide 'U' is Change O-Ring → look at SEV spare
2. UP start is too
leaking. parts list.
hard.
Star/delta motor switch period too long. 0.2 – 0.3 sec. switch time is sufficient.
Excessive friction on the guide rails or Cannot be eliminated through valve
in the cylinder head. adjustment.
O-Ring 'UO' on bypass flow guide 'U' is Change O-Ring → look at SEV spare
3. No deceleration leaking. parts list.
into leveling speed. Set lower value for deceleration time
Deceleration time target value too high.
(2.5 s)
Set lower value for the deceleration
Deceleration time target value too high.
time (2.5 s)
Leveling speed target value too high. Set lower value for the leveling speed.
Deceleration signal received too late. Change shaft switch position.
4. Deceleration into Sudden and hard elevator stop caused Increase setting for soft stop to make
leveling speed, but by too soft setting of soft stop. stop harder (standard: 60%).
overtravel of floor Possibilities:
level. - Use next larger insert size
Target value cannot be reached,
- Increase pressure and weight
because:
- Reduce friction in the system
- pressure loss in the system is too big
- Adjust deceleration time (longer)
- dynamic pressure drops below 12 bar
- Change position of deceleration
switch
5. Vibration during Bypass flow guide 'U' is too large. Choose smaller insert size if gain <6.
the whole travel. Gain is too big (>11). Decrease gain.
6. Vibrations during Decrease gain and respectively change
Control parameters are not optimal.
parts of the travel. P-and D- portion (slope).
7. Slow reaction of Bypass flow guide 'U' too small. Use next larger insert size, if gain >11.
controlled variable. Gain is too small. Increase gain (not < 6).

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Down direction travel

Problem Cause Recommended


Coil 'D' not energized, voltage too low. Lift coil to check magnetic force.
Insufficient voltage supplied to SEV Voltage supplied to SEV card is
1. No DOWN start. card. 24 V DC.
O-Ring 'UO' of down valve 'X' leaking. Change O-Ring → SEV spare parts list.
No input signal to the SEV card for full Check input signals on SEV card
down speed. (LEDs).
2. No full speed. Adjustment '7' closed too far. Turn out adjustment '7'.
Elevator is travelling faster than set Adjust sensor properly. Look at sensor
speed. Sensor is not correctly adjusted. adjustment in SEV manual.
3. Deceleration into Filter of deceleration nozzle Clean filter or change deceleration
leveling speed. contaminated or nozzle damaged. nozzle.
Elevator travels Turn in adjustment '9' to about 0.05 m/s
through floor level. Down leveling speed is too fast. leveling speed.
4. No deceleration
into leveling speed. Inner O-Ring 'FO' in flange '7F' is
Change O-Ring → SEV spare parts list.
Elevator travels leaking.
through floor level.
Solenoid 'D': tube not screwed down
Tighten solenoid 'D' tube.
tight.
Solenoid 'D': needle 'DN' and seat 'DS'
Clean or change needle and seat.
contaminated or damaged.
O-Ring 'XO' of down valve 'X' leaking. Change O-Ring → SEV spare parts list.
5. Elevator sinks due
O-Ring 'VO' of check valve 'V' leaking. Change O-Ring → SEV spare parts list.
to inner leakage
O-Ring 'WO' of check valve 'V' leaking. Change O-Ring → SEV spare parts list.
Inner O-Ring 'FO' in flange '4F' leaking. Change O-Ring → SEV spare parts list.
O-Ring 'HO' of manual lowering 'H' Change O-Ring 'HO' or change manual
leaking. lowering.
Short delay valve 'E' is leaking. Change short delay valve.
6. Deviation of target Down valve flow guide 'X' too small. Use next larger insert size, if gain >11.
trend line during
deceleration/ Gain is set too low. Increase gain if gain <6.
bandwidth too big. Seat housing dimension is not correct. Change seat housing.
7. Vibrations during Down valve flow guide 'X' too large. Choose smaller insert size if gain <6.
the whole travel. Gain is too big. Decrease gain (not >11).
Turn out Nr. 9 to about 0.05 m/s leveling
Adjustment 9 closed too far.
8. No leveling when speed when using the manual lowering.
using the manual Pressure setting of 'KS' too high. Turn out adjustment 'KS'.
lowering. Spring 9F in adjustment 9 broken or Check and clean tappet and spring,
down leveling valve Y blocked. change faulty parts.
Solenoid 'C': tube not screwed down
Tighten solenoid 'C' tube.
9. Leveling speed tight.
too fast when. Turn in adjustment '9' to about 0.05 m/s
Adjustment '9' opened too far.
leveling speed.

[#]: To check for energized solenoid coils, remove 19mm hex nut. By lifting the coil, the noticeable magnetic
force of an energized coil can be checked and the travel function of the elevator manipulated.

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8.5 Status, Meldungen und Update


←Left
The current status of the valve is
5 shown here with the help of
5.1
various data, such as sensor
values for pressure and
temperature, as well as the input
(A, B, C, D, I) and output signals
(Up and Down) are displayed.
Furthermore information on the
software version, the flow ring
size and the speed mode can be
found. With the update button,
new firmware can be loaded
from the micro SD card.

Right→
The notifications inform about
number of runs, error runs and
operation hours as well as
existing errors. „Reset all errors“
deletes the messages once
resolved.

To perform an update, a micro SD card with a new software version is required. During the update, the green
LED of the boot loader flashes very quickly. The process usually takes approxemitly 30 seconds. As soon as
the process is complete, the green and red Boot Loader LEDs are flashing slowly alternately. There are two
options for performing updates:

1. Update via power supply


a. Disconnect the SEV card from the power supply.
b. Put a jumper on the two exposed pins of the boot loader.
c. Insert the micro SD card into the card slot.
d. Reconnect the power supply to the SEV card.
e. Wait for the update to finish.
f. Remove the bridge from the two pins.
g. Connect your device to the SEV card.

2. Update via menu button


a. Insert the micro SD card into the card slot.
b. Connect to the WLAN of the SEV card and call up the menu.

c. Go to Status / Messages and press the "Update" button.


d. Enter the password level 1 (if not changed: 1111) and confirm your entry.
e. Wait for the update to finish.

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9. ERROR RELAIS
Card Internal Relay R1 - Evacuation of passengers

Important

If there is a major fault interfering with the normal operation of the SEV card when travelling between floors,
power supply to coil A or C will automatically be interrupted.

During Up travel the motor and during Down travel coil D (Down start/stop) remain energised unless the
SEV relay R1 signals otherwise.

When a major fault occurs the relay R1 on the SEV card switches to send and error signal to
the main controller. The terminals 18, 19 and 20 are used for error signal wiring. When R1
relay switches, then the following emergency functions should initiate:
 Motor-pump combination will be switched off
 Coil D is energised to lower the car at levelling speed to the next lower floor
 Elevator is taken out of service and emergency service is being notified

The following faults are signalled by illuminating the red Error LED. At the same time, the notifications
section in the software menu will show the nature of the fault as follows:

Major Faults

1. Coil defect Coil A or C disconnected or short circuited.


Elevator stops.
Sensor disconnected, damaged or wrongly Relay R1 switches over.
2. Sensor defect
adjusted.

After the fault has been corrected, errors 1-2 must be cancelled by pressing OK button on SEV
Card and erased from the notifications menu.

Minor Faults

Power supply to the card is less than 17 V DC.


3 Supply Voltage Elevator operation continues at inspection
speed.
The value of the sensor does not change within
4 Sensor feedback Elevator continues to
8 seconds of the start signal.
The value of the sensor exceeds its defined operate.
5 Sensor overflow Relay R1 does not switch.
maximum value.
Duration of up or down levelling phase is
6 Leveling too long
excessively long.
7 Overtravel Elevator surpasses the floor level.

Errors 3-7 do not have influence on the operation of the elevator. As long as the power supply to the SEV
card is maintained, errors will be saved and the orange LED will remain illuminated. The error indication can
be cancelled one after the other in reversed order of occurrence (last error first) by pressing OK button on
the SEV card or by erasing the error messages within the “notifications” menu.

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10. SELECTION CHARTS – VALVE INSERTS

Data required when ordering: Flow ring R selection


P, T, Z
 Pump data l/min US gpm Ring size
ports
 Static pressure empty car 40 – 75 10 – 20 R1 1” G
 Static pressure with full load 76 – 110 21 – 29 R2 1” G
 Up speed 111 – 180 30 – 47 R3 1” G
 Down speed 181 – 270 47 – 70 R4 1.5” G
271 – 430 71 – 112 R5 1.5” G
 Voltage for coils
431 – 580 112 – 151 R6 2” G
 options 581 – 1200 152 - 312 R7 2.5” G
Flow rates outside the specified range
Additional for adjustment: Overlap from -20% to +10% are acceptable

 Cylinder data

Flow Guide Selection Charts for Up and Down direction

Example

Up direction Down direction


flow: 380 l/min flow: 510 l/min
(99 gpm) (133 gpm)
Static Empty Car Pressure.
18 bar (260 psi)
Selected Bypass Selected Down
Valve U, ring size 5 Valve X, ring size 6
* Overlap for valve sizes should not exceed
15%.

Valve data plate

SEV 1.5 R5 U4 X5
Down flow guide
Bypass flow guide
Flow meter ring size
Valve connection ports

Available options

EN – Emergency Power Coil: Battery lowering in case of power failure. (D coil double wound)
KS – Slack Rope Valve: Prevents excessive slack rope condition in 2:1 systems.
HP – Hand Pump: To raise car manually.
DH – Pressure Switches: Signals hydraulic pressure above the normal operating pressure.
DL – Pressure Switches: Signals hydraulic pressure below the normal operating pressure.

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11. FLOW – PRESSURE CHART (METRIC & IMPERIAL)

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