selec

Creating Best Value

PID500-T / 500-U
/ 110-T / 330-T
PID Temperature Controller
OPERATING INSTRUCTIONS

Doc. name: OP INST PID500-T / 500-U / 110-T / 330-T OP385-V01

Notes selec
Notes selec CONTENTS selec
Page no.
A) OVERVIEW.
1. Features............................................................... 1
2. Ordering information............................................ 2

B) SPECIFICATIONS....................................................... 3

C) INSTALLATION.
1. Safety Information................................................ 7
2. Terminal connections........................................... 9
3. Sensor input wiring.............................................. 10
4. Control output wiring............................................ 10

D) PROGRAMMING.
1. Function menu..................................................... 13
2. Key's description.................................................. 15
3. Level 0-Input parameters..................................... 16
4. Level 1-Output parameters.................................. 18
5. Level 2-Auxiliary output modes............................ 21
6. Level 3-Alarm 2 module....................................... 24
7. Level 4-Special functions..................................... 25
8. Level 5-Communication parameters.................... 28
9. Level 6-Lockout module....................................... 29

E) USER GUIDE............................................................... 33

F) CONFIGURATION RECORD SHEET.......................... 38

G) CALIBRATION CERTIFICATE ................................... 42

 Overview selec Calibration Certificate selec
Date :

Model No : Sr. No.:

Claimed Accuracy : ± 0.25% of full scale ±1 digit

(After 20min warmup time)

96 x 96 Sources calibrated against :

96 x 48
48 x 48

SALIENT FEATURES Multimeter calibration report no :

? Universal Input
17 user selectable types including signal inputs. The calibration of this unit has been verified at the following values :
? Selectable lower display
User selectable lower display options enable quick setting of different SENSOR CALIBRATION DISPLAY SENSOR CALIBRATION DISPLAY
parameters such as Set points, Alarms, PID values, Tuning etc. TEMP (°C) VALUE VALUE VALUE
Zone PID
? (0.1 resolution) (°C) (0.1 resolution)
4 programmable control zones.
Outputs
? 35.0 35.0 0.0 0.0
In signal output models output is selectable as control output or Voltage
K 700.0 700.0
retransmission output. (VDC)
1350 1350 10.0 10.0
Special Modes
?
User selectable special modes 0.0 0.0 0.0 0.0
- Heat-Cool PID Current
- Auto/Manual PT100 500.0 500.0
(mA)
- Single point ramp / soak. 800.0 800.0 20.0 20.0
- Soft start.
The thermocouple / RTD curves are linearised in this microprocessor based product,
and hence the values interpolated between the readings shown above are also equally
Optional Features accurate, at every point in the curve.
4 Extra Alarm output
4 Heater current monitoring Unit is accepted as accuracy is withing the specified limit of claimed accuracy and
Sensor break indication
4 4 Linear DC outputs (Factory set) certificate is valid upto one year from the date of issue.
Sensor error compensation
4 (0 to 10V, 0 to 5V, 0/4 to 20mA)
Programmable parameter lockouts 4
4 Remote set-point input CHECKED BY :
85 to 270 VAC/DC supply
4 4 Motorised input
Compliance-
4 4 RS-485 MODBUS communication
IP66 front panel protection
4 4 12 VDC output to drive SSR.
4 24 VAC/DC supply voltage models

1 42
 Configuration Record Sheet selec Overview selec
2. ORDERING CODE :
Function Prompt Value or Factory Setting
Levels PID 500 PID 110 PID 330
Selection
Special Function
U/T A B XX

/
U Universal Input 00 Only Output 1 & Output 2 #

T TC / RTD Input 01 Output 3 ( Relay )

02 Output 3 (12V DC SSR drive) #
A : Output 1 03 Communication RS485 #
0 Relay Output 3 (Relay) +
04
1 18V DC SSR drive Communication RS485
05 Output 3 (12V DC SSR drive)
2 4 - 20mA (Current) + Communication RS485 #
3 0 - 10V (Voltage) 06 CT Input #

4 0 - 5V (Voltage) # 07 Output 3 (Relay) + CT Input #

5 0 - 20mA (Current) # Output 3 (12V DC SSR drive)
08
+ CT Input #
B : Output 2 09 CT Input + Communication RS485 #
0 Relay
10
* Second Analog Input
1 ** 12V DC SSR drive # (valve positioner type) #
* Second Analog Input (valve positioner
** For PID110 / PID330 11
type) + Communication Rs485 #
18V DC SSR drive
12
* Second Analog Input #
(Remote set point type)
* Second Analog input # 13
* Second Analog Input (Remote set
Valve positioner type point type) + Communication RS485 #
Communication
-P Potentiometric f/b input # : Applicable only for U Model

-C 4-20mA f/b input

-V 0-10V f/b input ORDERING EXAMPLE
Remote Set point type Note : Input is user selectable.
Only Model name & output needs to be specified
-C 4-20mA input in the ordering code.
-V 0-10V input 1. PID500 U 3 0 01

Universal Output 1 Output 2 Output 3

Input (Voltage) (Relay) (Relay)

41 2
 Specifications selec Configuration Record Sheet selec
1. TECHNICAL SPECIFICATIONS
1. DISPLAY Value or
Levels Function Prompt Factory Setting
PID500 - 48 x 48 - Dual 4 digit 7- segment LED. Selection
Display
Upper display : 10mm high Red (process value).
Auxiliary
Lower display : 7mm high Green (selectable).
PID110 - 48 x 96 - Dual 4 digit 7- segment LED. Output Modes
Upper display : 10mm high Red (process value).
Lower display : 7mm high Green (selectable).
PID330 - 96 x 96 - Dual 4 digit 7- segment LED.
Upper display : 14mm high Red (process value).
Lower display : 10mm high Green (selectable).
LED Status Annunciators Main output (1)
Alarm output ( 2, 3)
Manual output (M)
Tune (T)
2. INPUT # : Applicable only for U Model

Input Thermocouple : J,K,T,R,S,C,E,B,N,L,U,W,Platinel II.

RTD : PT100. # #
Signal inputs : -5 to 56mV, 0 to 10V DC , 0 to 20mA DC
(Programmable scale type)
Sampling time 200 ms.
1/0.1O for TC/RTD.
Resolution 1/0.1/0.01/0.001 for Analog input. (Decimal point position)
Cold junction calibration accuracy in TC mode + 5oC.
Indication accuracy For TC inputs : 0.25% of FS ±1°
For R & S inputs : 0.5% of F.S ± 2°
(20 min of warm up time for TC input)
For RTD inputs : 0.1% of FS ±1°
Digital filtering OFF, 1 to 99 sec.
Input Impedance ( ) TC / RTD : 400K Alarm 2 Module
Voltage : 330K
Current : 100E
3. OUTPUT
3.1. Control Output
Rating : 5A@250V AC or 30V DC.
Relay contact output
Life expectancy : 100000 cycles at maximum load rating.
SSR drive voltage
12V DC.
output (optional)
Current output Range : 0 -20mA DC, 4-20mA DC (Factory set)
Action : Control.
(Optional) Update rate : PID Update - Every Cycle time.
Analog Output - 100msec.
Maximum output load resistance : 500E.
3 40
 Configuration Record Sheet selec Specifications selec
Value or Voltage output Range : 0-5V DC, 0-10V DC. (Factory set)
Levels Function Prompt Factory Setting Action : Control.
Selection (Optional) Update rate : PID Update - Every Cycle time.
Output Parameters Analog Output - 100 ms.
Minimum output load resistance : 10K.
Resolution 14 Bit
Linearity 0.1%
3.2. Alarm Output
Relay contact output Rating : 5A@250V AC or 30V DC.
(Relay 2, Relay 3 (optional) Life expectancy : 100000 cycles at maximum load rating.
3.3. Retransmission output (optional)
Current output Range : 0 / 4-20mA.
Zone Settings Action : Retransmission
Update rate : 100 ms
Maximum output load resistance : 500E
Voltage output Range : 0-5 / 10V.
Action : Retransmission
Update rate : 100msec
Minimum output load resistance : 10K
4. FUNCTION
Main control Control : PID or ON/OFF.
Output : Time proportioning or Linear DC.
Proportional band : 0 to 400O
Integral time : 0 to 3600 sec
Derivative time : 0 to 200 sec
Cycle time : 0.1 to 100.0sec.
Auto tune.
Programmable % output.
Zone PID 4 programmable control zones.
.
Heat-cool PID mode Control : PID or ON/OFF
Output : Time proportioning.
Proportional gain : 0 to 400
Cycle time : 0.1 to 100.0sec.
Heat / Cool dead band overlap : Programmable
Alarms Modes : Deviation high, Deviation low, Band, Sensor break,
Full scale high, Full scale low.
Operation : Absolute or Deviation mode
Hysteresis : Programmable
Hold / Standby mode : Programmable
Annunciator : Programmable
Reset action : Programmable - Automatic or latched
Probe break action: Upscale
39 4
 Specifications selec Configuration Record Sheet selec
5. OPTIONAL Enter the value or selection for each prompt on this sheet so you will have a record of
5.1. Remote set point input how your controller was configured.
Input type 0...20mA / 0...10V.
Function Prompt Value or Factory Setting
Input Resistance 100 ohms. Levels
Selection
Over range -5% ... 105%.
Input Parameters
-1999...9999 with fixed 1OC for TC / RTD and as per
Scale range
resolution selected for Analog input.
5.2. Heater current monitor input
Single phase, full wave monitoring of load currents
Type
controlled by main output.
Input 100mA AC output from current transformer.
As per input type selected.
Display scale range 0....999.9A.
Input resistance 47 ohms.
Accuracy +0.5% of full scale + 1 digit.
As per input type selected.
Frequency 50...400Hz.
Alarm mode LA / HA / BAND.
Over range 105% Capacity.
Over load 150mA (continuous).
5.3. Serial communication
Interface standard RS 485. Output Parameters
Communication address 1 .... 99, maximum of 32 units per line.
Transmission mode Half duplex.
Transmission protocol MODBUS RTU.
Transmission distance 500m maximum.
Transmission speed 9600, 4800, 2400, 1200, 600, 300 bits/sec.
Parity None, Odd, Even, Mark, Space.
Stop bits 1 or 2.
Response time 100ms (max and independent of baud rate).
6. ENVIRONMENTAL CONDITIONS
Operating range 0 .... 50oC.
o
Storage range -20 .... 75 C.
o
Storage humidity 85% max. RH (non condensing) from 0 to 50 C.
7. POWER SUPPLY
Power supply 85 .... 270V AC/DC. (Optional 24V AC/DC)
Frequency 50 / 60Hz.
Power consumption 5VA max.
5 38
 User Guide selec Specifications selec
8. ISOLATION BREAKDOWN RATINGS.
Zone PID :
AC line w.r.t. all inputs and outputs 2000 volts.
There are 4 control Zones each having a set point and associated P, I and D values
which can be programmed as per the process requirements. A control Zone is selected All other inputs and outputs w.r.t. Relay contacts 2000V AC.
automatically and implemented as per the set value programmed, to accommodate 9. SAFETY AND EMC STANDARDS.
changing process requirements. The corresponding P, I,D values will be used to control Compliance CE.
the process. The main advantage of Zone PID is in processes where there is a
LVD As per BS EN 61010.
requirement of frequent tuning, due to change in setpoint. Consider a case where the
process needs to be controlled at two different set points: 100O C and 400O C. EMC As per BS EN 61326.
The Zone set points may be programmed as : Panel sealing IP66.
1. Zone setpoint 1 (Level1) : 150O C 10. WEIGHT : PID500 : 195 gms ; PID110 : 250 gms ; PID330 : 295 gms
(This implies that for 0 < set1 < 150, Zone1 PID values will be considered.) 11. HOUSING : Flame retardant engineering plastic.
2. Zone setpoint 2 (Level1) : 450O C
12. INPUT SENSOR RANGES (for 1oC resolution) :
(This implies that for 150 < set1 < 450, Zone2 PID values will be considered.)
The P, I, D values for the respective Zones can be manually fed or can be tuned Sensor type Range Sensor type Range
automatically. J - 200 to 750oC E - 200 to 750oC
o o
How to tune the Zones K - 200 to 1350 C B +149 to 1820 C
NOTE : Zone setpoint is not the tuning setpoint. T - 200 to 400oC N - 200 to 1300oC
To tune, say, Zone 1 program the following: R 0 to 1750oC L - 200 to 600oC
1. Set1 (Online) = 100O C (for eg.) (Zone 1 : 0 - 150O C) S o
0 to 1750 C U - 200 to 900 C
o

NOTE : • Set1 < Zone setpoint 1. C o

0 to 2300 C W 0 to 2300 C o

• The PID settings derived after tuning are stored in Zone 1. o o

Platinel II 0 to 1390 C PT100 - 100 to 850 C
• After tuning, for 0 < Set1 < 150O C, PID settings of Zone 1 are applicable.
2. Program Tune = ON (in Level 1 or Online) Signal inputs : Input type Range
3. After tuning the controller is automatically loaded with the new PID values.
Linear mV -5 to 56mV
Now to tune the next Zone, Zone 2, program the following:
Note : * Applicable Voltage * 0 to 10V DC
1. Set 1 (Online) = 400O C (Zone 2 :150 - 450O C) only for PID500-U Current * 0 to 20mA
NOTE : • Zone Setpoint 1 < Set 1 < Zone setpoint 2. 13. INPUT SELECTION JUMPER ASSIGNMENTS : Short respective pins of JP3 & JP4
• The PID settings derived after tuning are stored in Zone 2. as per the table given below for hardware selection JP3 JP4
• After tuning, for 150 < Set1 < 450O C, PID settings of Zone 2 are of input sensor types :
applicable. X B A F E C D
Similarly, the four different Zones can be programmed.
Input type JP3 JP4
TC / RTD / LIN (mV) (XB) (FE)
XBA FECD

0 - 10V (XB) (EC)

XBA FECD

4 - 20 mA (BA) (CD)
XBA FECD

NOTE : 1) Sensor selection to be done in Level 0 of programming also.

37 2) Input Jumper selection applicable only for PID500-U. 6
 Installation selec User Guide selec
1. SAFETY INFORMATION
ALARM MODES :
SAFETY SUMMARY
This manual is meant for the personnel involved in wiring, installation, operation, and 1. Absolute alarms (Independent Alarm) :
routine maintenance of the equipment. All safety related codifications ; symbols and Absolute alarm is a self-existent alarm independent of the main set point. For eg. If the
instructions that appear in this operating manual or on the equipment must be strictly main set point is 100OC and absolute alarm is set as 110OC, the alarm will be activated at
followed to ensure the safety of the operating personnel as well as the instrument. 110OC.
If the equipment is not handled in a manner specified by the manufacturer it might There are two absolute alarms -
impair the protection provided by the equipment. Full scale High Alarm : Sets off alarm signal when temperature rises above set point
to a pre-set temperature above scale minimum. Refer Fig: d.
CAUTION : Read complete instructions prior to installation and operation of the unit. Full scale Low Alarm : Sets off alarm signal when temperature falls below setpoint to a
pre-set temperature above scale minimum. Refer Fig: e.
CAUTION : Risk of electric shock.

INSTALLATION INSTRUCTIONS 2. Deviation alarms (Error alarm) :

This alarm is activated at an error on the main set point. For eg. If the main set point is
CAUTION : 100OC and deviation alarm is set to +5 OC then the alarm will be activated at 100+5=105
O
1. This equipment, being built-in-type,normally becomes a part of the main control C. Incase of deviation band alarm the alarm will be activated on both sides of set point
panel and in such case the terminals do not remain accessible to the end user i.e. At 95 and 105.
after installation and internal wiring. There are three deviation alarms -
2. Conductors must not come in contact with the internal circuitry of the equipment Deviation High Alarm : Sets off alarm signal when temperature rises above a pre-set
or else it may lead to a safety hazard that may in turn endanger life or cause temperature above the set point. Refer Fig: a.
electrical shock to the operator. Deviation Low Alarm : Sets off alarm signal when temperature falls below a pre-set
3. Circuit breaker or mains switch must be installed between power source and temperature below the set point. Refer Fig: b.
supply terminals to facilitate power 'ON' or 'OFF' function. However this switch
Deviation Band Alarm : Sets off alarm signal when temperature rises above or falls
or breaker must be installed in a convenient position normally accessible to an
below a pre-set temperature above or below the set point. Refer Fig: c.
operator.
CAUTION :
1. The equipment shall not be installed in environmental conditions other than those 3. BREAK ALARM : Sets off alarm signal when sensor break / under range occurs.
specified in this manual. Deviation Deviation Deviation Full scale Full scale
2. Fuse Protection - The equipment does not contain built-in fuse. Installation of high alarm low alarm band alarm high alarm low alarm
external fuse for electrical circuitry is highly recommended. Recommended rating
of such fuse shall be 275V AC / 1Amp.
3. Since this is a built-in type equipment (finds place in main control panel), its Alarm
state
output terminals get connected to host equipment. Such equipment shall also
comply with basic EMI/EMC and safety requirements like BS EN 61326-1 and
BS EN 61010 respectively.
4.Thermal dissipation of equipment is met through ventilation holes provided on SP SP2 SP SP SP2 SP SP
setpoint setpoint SP2 setpoint SP2 setpoint setpoint
chassis of equipment. Such ventilation holes shall not be obstructed else it can
lead to a safety hazard.
5.The output terminals shall be strictly loaded to the manufacturer specified values
/ range.
SP2 SP2
MAINTENANCE
1.The equipment should be cleaned regularly to avoid blockage of ventilating parts.
2.Use soft cloth for cleaning. Do not use isopropyl alcohol or any other organic
cleaning agent. Fig : a. Fig : b. Fig : c. Fig : d. Fig : e.
7 36
 User Guide selec Installation selec
DERIVATIVE APPROACH CONTROL :
! WIRING INSTRUCTIONS
Derivative approach control (DAC) helps in reducing overshoot at startup. The control CAUTION :
output cutoff point is derived as DAC x Proportional band. Note that the DAC value is 1. To prevent the risk of electric shock power supply to the equipment must be kept
automatically calculated and fed after autotuning (if tuning is initiated at startup). OFF while doing the wiring arrangement.
2. Terminals and electrically charged parts must not be touched when the power is ON.
AUTO-TUNE OF HEAT/COOL SYSTEMS :
! 3. Wiring shall be done strictly according to the terminal layout with shortest
During Autotune of heat/cool systems, the controller switches the cooling output (O2) connections. Confirm that all connections are correct.
ON and OFF in addition to the heat output (O1). The heat/cool overlap deadband 4. Use lugged terminals to meet M3.5 screws.
parameter (db in Level 2) determines the amount of overlap or deadband between the 5. To eliminate electromagnetic interference use of short wire with adequate ratings
two outputs during Autotune. and twists of the same in equal size shall be made.
For most applications, set this parameter to 0.0 prior to starting Autotune. After the 6. Cable used for connection to power source, must have a cross section of 1 or
completion of Autotune, this parameter may need to be reset. It is important that external greater. These wires shall have insulation capacity made of at least 1.5KV.
load disturbances be minimized, and if present, other zone controllers idled as these
may have an effect on the PID constant determination. ELECTRICAL PRECAUTIONS DURING USE
Some water cooled processes exhibit an extreme non-linear gain characteristic. That Electrical noise generated by switching of inductive loads can create momentary
is, the process cooling gain starts very high and flattens out deeper into the cooling disruption, erratic display, latch up, data loss or permanent damage to the instrument.
region. This effect may result in regular oscillations at setpoint as the controller applies To reduce noise :
heat to counteract the effect. These processes may benefit from a lower cooling fan A) Use of MOV across supply of temperature controller & snubber circuits across
setting and/or reduced water flow in the jacket or manifold. The process heat and cool loads are recommended. Part numbers are as follows : 1. Snubber: APRC-01.
gains should be balanced as much as possible, and the controller gains adjusted to the B) Use separate shielded wires for inputs.
process. C) The unit should preferably be shielded from the contactor.
INSTALLATION GUIDELINES
ANALOG OUTPUT-RETRANSMISSION :
!
Mechanical Installation : (All dimensions in mm)
1. The analog retransmission output feature allows the retransmission of the control
For installing the controller
output to an external device. 1. Prepare the panel cutout with proper dimensions as shown.
2. The output is scaled by use of Analog low and high scaling points in level 2 of the 2. Remove the clamp from the controller.
programming menu. The analog output will be proportional to PV 3. Push the controller into the panel cutout. Secure the controller in its place by
(derived from Analog Low and High scaling.) pushing the clamp from the rear side.
3. A-LO : Displays the value that corresponds to 0V, 0/4mA as selected. DIM
A B C D E F G
A-HI : Displays the value that corresponds to 10V or 20mA as selected. MODEL
4. Note that the main output selection in level 4 has to be relay 2. Panel PID500 48 48 100 45 7 45 45
A DF Cutout PID110 96 48 74.5 90 10 92 45
PID330 96 96 74.5 90 10 92 92
B C G
E

CAUTION :
The equipment in its installed state must not come in close proximity to any heating
sources, caustic vapors, oils, steam, or other unwanted process by-products.

EMC Guidelines :
1. Use proper input power cables with shortest connections and twisted type.
2. Layout of connecting cables shall be away from any internal EMI source.
35 8
 Installation selec User Guide selec
2. TERMINAL CONNECTIONS
PROPORTIONAL BAND :
!
PID500-U PID500-U Proportional band is the area around the set point where the controller is actually
controlling the process; the output is at some level other than 100% or 0%.
Proportional band is expressed in terms of degree centigrade.

CT/RS485
+

+
L 11 N L 11 N

RS485
NO2
ANA IP +
NO2
ANA IP + If the proportional band is too narrow an oscillation around the setpoint will result. If the
+ +
+ 2 12 7 TC / RTD1 + 2 12 7 TC / RTD1 proportional band is too wide the control will respond in a sluggish manner, could take a
SSR2

SSR2
long time to settle at set point and may not respond adequately to upsets.
- -
3 13 8 3 13 8
COM2 0-20mA/4-20mA TC / RTD2 COM2 TC / RTD2

0-20mA/4-20mA
NO3

CT / MI / R-SP
ANA IP ANA IP MANUAL RESET :
!
0-5V/0-10V/

0-5V/0-10V/
NO1 + 14 NO1 + 14
+ 4 9 + 4 9
SSR1/

SSR1/
SSR3
RTD3 RTD3 Virtually no process requires precisely 50% output on single output controls or 0%
5 15 10 5 15 10 output on two output controls. The adjustment called manual reset allows the user to
COM1
COM3
COM1 redefine the output requirement at the setpoint. A proportioning control without manual
or automatic reset will settle out somewhere within the proportioning band but likely not
NOTE : Terminals 11 to 15 are optional NOTE : Valid for optional configuration.
on the setpoint.
PID500-T PID110
NO1 INTEGRAL TIME :
!
11 + 1
Integral time is defined as the time, in seconds, which corrects for any offset (between
+

L 11 N SSR1 / TC+ /RTD1

RS485

mV +
12 -
ANA OP
NO2 + COM1
2 setpoint and process variable) automatically over time by shifting the proportioning
TC / RTD1
2 12 7 NO2
13 + 3 - band. Integral action (also known as “automatic reset”) changes the output power to
TC /RTD2
SSR2 mV
-
bring the process to setpoint. Integral times that are too fast (small times) do not allow
3 13 8 14 - 4
COM2 TC / RTD2 COM2 RTD3 the process to respond to the new output value. This causes over-compensation and
0-10V/4-20mA

NO3
NO1 NO3 15 + 5 + leads to an unstable process with excessive overshoot. Integral times that are too slow
4 14 9 V
+ SSR3
SSR1/

RTD3
16 - 6 (large times) cause a slow response to steady state errors. Integral action may be
COM3
5 15 10
17
MI /
7
disabled by setting the time to zero. If time is set to zero, the previous integral output
COM1 COM3 CT/ +
R-SP
+ 8
power value is maintained. If integral action is disabled, manual reset is available by
18
modifying the output power offset (“MNL.r” initially set to zero) to eliminate steady state
-
19 N 9 + errors. The controller has the feature to prevent integral action when operating outside
RS485
20 L 10 - the proportional band. This feature is called “antireset wind-up”.
+

DERIVATIVE TIME :
!
PID330
TC + /RTD1

Derivative action is used to shorten the process response time and helps to stabilize
RTD3
TC /RTD2

the process by providing an output based on the rate of change of the process. In effect,
mV +

V RS485
-
mV

derivative action anticipates where the process is headed and changes the output
+

1 2 3 4 5 6 7 8 9 10 before it actually “arrives”. The derivative time is calculated in seconds. Increasing the
derivative time helps to stabilize the response, but too much derivative time coupled with
+

SSR1/ MI / CT / R-SP noisy signal processes, may cause the output to fluctuate too greatly, yielding poor
ANA OP SSR2 SSR3
N L control. None or too little derivative action usually results in decreased stability with
+

higher overshoots. No derivative action usually requires a wider proportional and slower
11 12 13 14 15 16 17 18 19 20
integral times to maintain the same degree of stability as with derivative action.
-
+ Derivative action is disabled by setting the time to zero.
NO1 COM1 NO2 COM2 NO3 COM3

9 34
 User Guide selec Installation selec
USER GUIDE 3. SENSOR INPUT WIRING
=
AUTO TUNING : Auto tuning is a function whereby the controller learns the process
characteristics by itself and automatically PID500-U & PID500-T PID110-T & 330-T
PID - Time proportioning with
sets the required P,I and D values. The auto reset & rate

Temp.
auto-tuning function can be activated at any
time during the process after power ON , TC V mA RTD1 TC RTD1
while temperature is rising or when control Proportional band 7 + + + 2 + 5 +
Reduced overshoot
has stabilized. Autotune is indicated by
Set Point
V V V
T LED blinking After the auto tuning - - - - -
procedures are completed, the T LED will 8 3
RTD2
6 -
RTD2
stop flashing and the unit will revert to mA
PID control by using its new PID values. Time
+
The PID values obtained are stored in the nonvolatile memory. 9 4 RTD3
7
RTD3
The auto-tuning is applied in cases of :
=
Initial setup for a new process TC - Thermocouple (J, K, T, R, S, C, E, B, N, L, U, W, Platinel II).
=
The set point is changed substanitally from the previous auto-tuning value. V * - Voltage Input (0 to 10V DC).
=
The control result in unsatisfactory. mA* - Current Input (0 to 20mA DC).
The following controller parameters are automatically adjusted by Auto- tune RTD - PT100.
according to the characteristics of the process : NOTE : 1) Refer input type selection in level 0 of programming menu.
Proportional Band (Pb-1) 2) For PID500 refer input jumper selection as in point no. 12 on page 6.
Integral Time (It-1) 3) For 2 wire RTD short terminals 8 & 9 (for PID500) and terminals 3 & 4
Derivative Time (dt-1) (for PID110 & PID330).
Input Filter (FtC) 4) * Applicable only for PID500-U

If the control performance by using auto-tuning is still unsatisfactory, the following rules 4. CONTROL OUTPUT WIRING
can be applied for further adjustment of PID values :
Fig 1. Output 1 - Relay to drive load (resistive load less than 1A).
ADJUST MENT SEQUENCE SYMPTOM SOLUTION
PID500-U & PID500-T PID110-T & 330-T
Slow Response Decrease PB
(1) Proportional Band (PB) High overshoot
Increase PB
or Oscillations LOAD LOAD
4 N 11 N

Slow Response Decrease IT NO 230VAC NO 230VAC

(2) Integral Time (IT) SUPPLY SUPPLY
Instability or
Increase IT
Oscillations 5 L
12 L

Slow Response COM COM

Decrease TD
(3) Derivative Time (TD) or Oscillations
High Overshoot Increase TD

33 10
 Installation selec Programming selec
Fig 2. Output 1 - Relay / SSR to drive contactor (For single phase).
DISPLAY DESCRIPTION DISPLAY CONDITION
PID500-U & PID500-T PID110-T & 330-T
Manual reset is prompted
Manual reset only if Integral-main = 0
4 11 and PB-heat > 0.
NO Snubber(Optional) 230VAC NO Snubber(Optional) 230VAC
(Part No: APRC-01) SUPPLY (Part No: APRC-01) SUPPLY

5 12 This parameter is prompted

COM COM
Proportional band - cool only if HC = yes.
L L

LOAD Contactor LOAD Contactor This parameter is prompted

N N
Ramp set point only if Ramp is ON / Hold.
This parameter is read only
and cannot be altered.
NOTE : Use snubber as shown above to increase life of internal relay of
temperature controller. This parameter is read only
Output percentage
and cannot be altered.
Fig 3. Output 1 - Pulsed voltage to drive SSR.
Note : This parameter is
PID500-U & PID500-T PID110-T & 330-T
prompted only if Ramp is ON
Elapsed soak time / Hold. This parameter is read
only and cannot be altered.
SSR SSR
Note : This parameter is not
4 LOAD 11 LOAD
/ prompted for 0-10V / 4-20mA.
18V DC
18V DC

230V AC 230V AC Temperature unit

SUPPLY SUPPLY This parameter is read only
5 12
and cannot be altered.

Note : This parameter is

Alarm acknowledge 1 prompted only if Alarm 1
is ON and Latch is ON.

Note : This parameter is

Alarm acknowledge 2 prompted only if Alarm 2
is ON and Latch is ON.

Blank

11 32
 Programming selec Installation selec
ONLINE DISPLAY OPTION
Fig 4. Output 1 - Linear current.
This function allows user to view online display options.
NOTE : The parameters shown below are not prompted if they are locked in level 6. PID500-U & PID500-T PID110-T & 330-T
DISPLAY DESCRIPTION DISPLAY CONDITION

Set point 1
4 11
0-20mA
Maximum Maximum
NO LOAD Load 500 NO 0-20mA LOAD Load 500
& &
Online access for Set 2 not 4-20mA Ohms 4-20mA Ohms
valid if Auxillary output = 5 12
Set point 2
Sensor Break / OFF / COM COM
Retransmission

Online access for Set 3 not

Set point 3 valid if Alarm mode =
Sensor Break / OFF.

Fig 5. Output 1 - Linear voltage.

Online access for Auto tune
Auto tune is not valid if PB-Heat=0 PID500-U & PID500-T PID110-T & 330-T
and HC =no or PB-Cool=0.

This parameter is not 4 11

Hand output percentage
prompted if Pb- H = 0 NO
0-5V
Minimum Load NO
0-5V
Minimum Load
OR LOAD 10K Ohms OR LOAD 10K Ohms
0-10V 0-10V
5 12
Proportional band - heat COM COM

Integral time is not

Integral time NOTE : For output 2 and output 3 :
prompted if PB = 0
1) Configuration is same.
2) Terminal nos -
Derivative time is not Output 2 : PID500 - 2 - 3 ; PID110 & 330 - 13 - 14
Derivative time prompted if PB = 0 Output 3 : PID500 - 14 - 15 ; PID110 & 330 - 15 - 16

31 12
 Programming selec Programming selec
1. FUNCTIONS MENU
# If LOCK selection is LEVL, the following parameters will be prompted.

Display Name & Description Range Display Default

Condition value

Lock Level 0

Lock Level 1

Lock Level 2

Lock Level 3

Lock Level 4

Change password

New password NEW = Id-Y

PID500

13 30
 Programming selec Programming selec
8. LEVEL 6 - PROGRAMMABLE PARAMETER LOCKOUT MODULE
it it
Display Default lim li m
Display Name & Description Range i gh o w
Condition value P.H .L
S. S .P
INPUT
User ID to PARAMETERS
h
ac up
e pro er) ind
ge
Program access l
na t me ti m ap (u s nta et
ve l me e tw rce res
r tio hea ral ti at i ve
ati
o ti ti m ese
p e al
settings # er o riv ontr ycle ti r
op d - nteg riv cle W nu
Tim Pr ban I De D e c C Cy A n A R
M a
# If LOCK selection is ONL, the following parameters will be prompted.

Display Name & Description Range Display Default

Condition value
OUTPUT
PARAMETERS
Lock Set 1 (main output)

rm tus or ow ig h rro
r
ala rm sta iat gL
Lock Set 2 ala nc gH e re
atch o ld l arm n nu n alo cale nalo cal enso el
L H A A A S A S S lev
AUXILIARY OUTPUT
MODES (output 2)
Lock Set 3

Lock tune parameter *ALARM 2 MODULE

(output 3) (optional)
n l o de
pe n il eve r g
Lock Hand parameter e me t w e ni n in g nt ym ll
t im r o tio r fa r l ias r ti stan P pompe nd eme andb ta
ak so elec nso owe b l te n / o u r se
So n
Se s Se p PV Fi co O da R i nc S t Re
SPECIAL
Lock proportional band FUNCTIONS
P in ve l oo
l rd rd
O/ ma ral ati ua ge o wo
n d g e .B - eg e riv e an set B - c an ssw ew ass
Lock integral time Ha %a P I n t ti m De tim M re P. Ch pa N p
LOCK MODULE
(online parameters)
Lock derivative time ord
sw rd
as wo
p ss
ge pa
Lock Manual h an ew
C N
reset parameter LOCK MODULE
(levels)
Lock proportional NOTE :- LEVEL 5 - Communications Module.
band-cool LEVEL 9 - Heater current monitor input.
LEVEL 10 - Motorised input / Remote set point input.
Lock Set 1 Detailed description of the above levels will be provided as an
addendum with the respective models.
29 14
 Programming selec Programming selec
8. LEVEL 5 - COMMUNICATION PARAMETERS (OPTIONAL)
Display Name & Description Range Display Default
1 Condition value
/ /
7
3 Baud Rate /
4 2
5
6
Communication
to
station No.

/
2. KEYS DESCRIPTION Parity /
FUNCTIONS KEY PRESS
To enter or exit program mode + together for 3 seconds.
Stop bit /
To change levels or till Level is displayed. + /
to increase or decrease the level number.
To view function on the same level or key once to view the next / CONNECTION DIAGRAM
and to display the current option. previous function.
To increase or decrease the value + to increase and + to decrease
of a particular function. the function value. Master

To view and change parameters key to view the parameter and + /

online. to scroll through the parameters. Press
+ / to change parameter value. RS232C 485

NOTE : The unit will auto exit program mode after 60sec. of inactivity. CONVERTER Terminating resistor
+ (100 ohm, ½ watt)
INDICATIONS AND DISPLAY RS485 RS485 RS485
+ +
1 Process-value (PV) Display the process temperature value. 1 11 6 1 11 6 1 11 6
2 12 7 2 12 7 2 12 7
Displays the value of the lower display option 3 13 8 3 13 8 3 13 8
2 Set-value (SV)
selected. By default display is set1 value. 4 14 9 4 14 9 4 14 9
5 15 10 5 15 10 5 15 10
3 Relay 1 (1) Indicates the status of Main output (relay 1).
SLAVE 1 SLAVE 2 SLAVE 32
4 Relay 2 (2) Indicates the status of Alarm output (relay 2). RS485-RS232 Converter
Part no.: AC-RS485-RS232-01
5 Relay 3 (3) Indicates the status of Alarm output (relay 3).
Note : 1. Maximum 32 slave controllers can be connected to the master.
6 M Indication for Fixed Manual output / Hand output. 2. The total cable length should not exceed 500 meters.
3. Use shielded twisted -pair cables for RS485 connections.
7 T Indication for Tuning in progress. 4. Use terminators having a resistance of 100ohm (½ watt).

15 28
 Programming selec Programming selec
PROGRAMMING OF LEVELS
SENSOR OPEN CONDITION : The sensor open condition is selectable between Auto
!
3. LEVEL 0 - INPUT PARAMETERS
and Manual. If the sensor open condition is set to Auto, then all the relays remain off at
over range or TC reverse condition. If the selection is Manual then sensor fail power Display Name & Description Range Display Default
level can be programmed as per requirement. Condition value
Input type
PV BIAS : (DISPLAY OFFSET) : This function is used to adjust the PV value in cases
! Select input type as
where it is necessary for PV value to agree with another recorder or indicator or when the Thermocouples : J, K, T,
sensor cannot be mounted in correct location. R, S, C, E, B, N, L, U, W.
Platinel II.
! FILTER TIME CONSTANT : The filter is an adaptive digital filter that discriminates RTD : PT100
between measurement noise and actual process changes. If the input single is Signal Inputs : Linear mV
increasing too greatly due to measurement noise, increase the filter value. If accurate (-5 to 56mV),
control is desired, increase the filter time constant where as if the fastest controller Voltage (0 to 10V),*
1
1
response is required the filter time constant. Current (4 to 20mA).*
Refer table on page 6
! Rounding INCREMENT : This feature can be used to round off the display to a higher for input ranges.
value than " 1 " in cases where the process input and in turn the display is fluctuating.
Resolution TC */RTD : / Not prompted for
Rounding selections other than 1 cause the process value to round to the nearest
Analog input : R, S, and B type
rounding increment selected. For example, a rounding increment value of 5 cause 122
/ / / thermocouple.
to round to 120 and 123 to round to 125. This parameter is not applicable when the
resolution is 0.1(for TC/RTD). Set point values, Set point limits, Alarm values, Input Temperature unit / TC / RTD inputs.
Scaling values and Analog Scaling values are not affected by rounding increment is for
controller's display only and does not affect ( improve or degrade ) the control accuracy Display value scaling to Analog input.
of the unit. point1 #1 Display value
Feed the value of the scaling point 2
! STANDBY MODE : display required at the
This feature is useful during machine wiring. If standby mode is selected as YES, the lower value of analog input
following conditions exist :
Input value scaling mA / mV Analog input. As per
a. All displays are OFF.
point 1 / V to Input input
b. All outputs are OFF i. e R1, R2, R3 LEDs are OFF.
Feed the lower value of value scaling type
c. M LED is ON.
the analog input signal. point 2 selected.
d. Analog output is limited to the lower range.
e. All front keys are disabled. Display value scaling Display value Analog input.
f. Access to configuration enabled. point 2 #1
The STND status is preserved on Power OFF. scaling point
Feed the value of display 1 to
required at the higher
! OUTPUT POWER DAMPENING : This parameter entered as a time constant value of analog input
seconds, dampens (filters) the calculated output power. Increasing the value
increases the dampening effect. Dampening times longer than, say, one-fiftieth of the
controller's integral time may cause controller. This parameter is valid for analog
output models. NOTE : 1. * Fixed 1oC resolution for R, S, B type thermocouple.
1
2. * Applicable only for PID500-U
27 16
 Programming selec Programming selec
Display Name & Description Range Display Default Display Name & Description Range Display Default
Condition value Condition value
Input value scaling point 2 Input value Analog input. As per Rounding increment to for TC / RTD with
Feed the higher value of scaling point 1 input TC / RTD resolution = 1OC
the analog input signal. to mA / type Display as per or Analog input.
mV / V selected. decimal point
selected for
Reverse scaling Analog input. analog input.
/
Display scaling points
Standby mode /
can be reversed.
Set point high limit #1 Set point low Reset all /
limit to max.
sensor range PARAMETER EXPLANATIONS
value.
Set point low ! MAIN OUTPUT : The main control output is selectable between Relay1 / Analog
limit to output (available across terminals 4 and 5) and Relay2 (available across terminals 2 and
for analog input.
3). If main output is selected as Relay 2, all the control parameters will be applicable to the
Set point low limit #1 Min. range of output connected to Relay 2 but the set point applicable will be Set 1 (main set point). For
sensor to Set analog retransmission, the main output must be set to Relay 2 and the analog output
point high limit. (across 4 and 5) will be used for retransmission.
- to Set ! SOFT START TIME : Soft start time can be programmed in situations where full
point high limit output is not required at power ON. The time duration for the output to rise from 0% to
for analog input. 100% is programmed as soft start time.
Note : 1. Whenever resolution is changed from 1 to 0.1 SPLL and SPHL is limited ! HAND OUTPUT PERCENTAGE : This parameter can be used when a fixed
to -199 and 999 respectively. percentage of output is desired. For example: If 4-20mA analog output is being used and
0
2. # 1 - Display is with fixed 1 resolution for TC / RTD and as per decimal point the desired output is 12mA, the hand percentage can be programmed as 50%. This will
selected for analog input. ensure that the analog output available is fixed 12 mA i.e. 50%. In case of relay output
models, the relay ON time and OFF time will be according to the programmed Hand
PARAMETER EXPLANATIONS : output percentage i.e. For 50% hand o/p percentage and cycle time 15sec, relay will be
ON for 7.5sec and OFF for 7.5 sec.
! TEMPERATURE UNIT : The temperature unit is selectable between C0 and F0. ! RAMP - SOAK : The set point ramp feature can reduce thermal shock to the process,
When temperature unit is changed, the temperature ranges will also be changed reduce temperature overshoot on start-up or set point changes, or ramp the process at a
according to the present selection of unit. If changed, be sure to check all controlled rate. The soak feature can be used to hold the process at a preset temperature
parameters. for a preset time.
! RESOLUTION : The resolution is selectable between 1 and 0.1 for TC and RTD inputs Ramp modes :
whereas it is selectable between 1, 0.1, 0.01, 0.001 for analog inputs. If changed, be Ramp OFF : Controller will be simple PID / ON-OFF controller with P, I, D settings /
sure to check all parameters. hysteresis setting by user or default.
! SET POINT LIMIT VALUES : The controller has programmable high and low set point Ramp HOLD : Suspends the ramp at the last value.
limit values to restrict the setting range of the set point. Set the limit values so that the Ramp ON : Initiates the ramp. Ramp rate and soak time settings as programmed by
temperature set point value cannot be set outside the safe operating the area of the the user or default.
process.
17 26
 Programming selec Programming selec
PARAMETER EXPLANATIONS : (contd...)
Display Name & Description Range Display Default
DISPLAY
Condition value
SCALING FOR ANALOG INPUT : To scale the
!
Main Output ( / ( / controller, two scaling point has a coordinate pair 9999
of Display Values and Input Values. It is
recommended that the two scaling points be at
SSR Output SSR output the low and high ends of the input single being
/ model 0.0
measured. Process value scaling will be liner
between and continue past the entered points to INPUT
to 0.00mA 20.00mA
Soft start time PID control the limits of the input range. (Factory settings
minutes. ISC.L = 0.00 ISC.H = 20.00
example will display 0.0 at 0mA input and display
DSC.L = 0.0 DSC.H = 9999
, O/P power 9999 at 20.00mA input) RSCL = no
Hand output percentage low limit to O/P PID control
power high limit. Reverse acting indication can be accomplished by setting reverse scaling parameter
as YES. In this case referring the above eg. for 0.00mA input the display will show
Ramp mode / / 9999 and 20.00mA input the display will show 0.0
NOTE : This change will not be visible in the programming menu.
Ramp rate to Ramp mode =
degree / hour. ON / HOLD. 4. LEVEL 1 - OUTPUT PARAMETERS
Soak time to Ramp mode = Display Default
ON / HOLD. Display Name & Description Range
minutes Condition value
Sensor open condition Zone PID =
/ PID control Set Mode /
YES in level 4.
to %;
Sensor fail power level Sensor open
- to % Display Default
condition = Display Name & Description Range
in case of heat Condition value
MANL.
- cool mode.
Auto tune / PID control
PV bias (Display Offset) to +
for TC (RTD) & P.AU , 75
to + Tune percentage Tune = ON
to 100
for AIN models
decimal point Main Output Mode / Heat-cool = No.
as per selected.
Output power lower limit % to o/p PID control
Filter time constant , to power high
seconds limit ; % (-
to o/p power for heat
Output power dampening , to Analog output - cool
seconds model. upper limit
(in heat cool mode)
mode)

25 18
 Programming selec Programming selec
6. LEVEL 3 - ALARM 2 MODULE (OPTIONAL)
Display Name & Description Range Display Default
Condition value Display Name & Description Range Display Default
Condition value
Output power upper limit O/P power low PID control
limit to % Alarm2 mode / Alarm 2 should
/ / be available.
/ /
ON-OFF to ON-OFF /
control hysteresis control*
Alarm latch /
ON-OFF These
Hysteresis bias TC / RTD :
parameters are
control*
O
to Hold Alarm / not prompted
Analog input :
if Alarm 2
to as
Relay status for Alarm2 / mode is OFF.
per decimal
point selected.
Alarm Annunciator /
Main = Fd and
Timer to control is
minutes Set 3 Value to These
ON-OFF.*
parameters
O
Proportional band- heat to Alarm Hysteresis to C are not
for TC / RTD ; prompted if
O
to C for Alarm 2 mode
Integral time to analog input. is OFF / brk.
PID control
Hysteresis bias to OC
Derivative time to PID control (for TC / RTD) ;
to
for AIN models
Derivative approach to
PID control decimal point
control (x band) as per selected
Cycle time / PID control PARAMETER EXPLANATIONS : For parameter explanations refer Level 2.
/
7. LEVEL 4 - SPECIAL FUNCTIONS
Cycle time-user to Cycle time = Display Default
USEr Display Name & Description Range
Condition value
Heat-cool mode
Anti-reset windup / PID control The controller can be
/
operated in heat-cool mode
if this selection is YES.
Anti-reset windup % to % ARW = MAnL
Zone PID /
NOTE : * For operating in ON-OFF mode make Proportional band = 0
19 24
 Programming selec Programming selec
NOTE : In HC mode only the following parameter will be prompted :- Display Default
Display Name & Description Range
1. Set 2 value - this parameter will be prompted as db (dead band) Condition value
2. Proportional band - cool (Pb-C)
3. Cycle time - cool (cyc.t) Manual Reset to Proportional
In case of analog retransmission only the following parameters will be prompted : ( for 0.1o resolution) band > 0 and
1. A-LO : Analog low scaling. to Integral time
2. A-HI : Analog high scaling. o
(for 1 ) = 0.
3. S.ERR : Sensor error level. to
Display is with fixed 1O resolution for TC/RTD and as per decimal point selected for analog (for analog input)
input.
If Set Mode = All and Zone PID = YES, The parameters except the shaded ones
PARAMETER EXPLANATIONS : (i.e. Pb-1, It-1, dt-1) will be prompted.
• SET 2 MODE :
AlrM : Set2 can be programmed as alarm. If Set Mode = Zone and Zone PID = YES, the following parameters will be prompted.
NonE : If set2 is not required it can be programmed as none.
Fd : Set2 programmed in cooling mode.(output ON when above the setpoint). Display Default
Display Name & Description Range
rE : Set2 programmed in heating mode.(output ON when below the setpoint) Condition value
• SET 2 TYPE : Zone PID =
Zone number to
AbS : Absolute alarm is a self-existent alarm independent of the main set point. YES (in level4)
DEV : The alarm is activated at an error on the main set point.
Zone set point to
• ALARM MODES : (Refer USER GUIDE for detailed explanation).

• ALARM LATCH : When Latch is ON, the alarm once activated remains activated even
* Proportional band to
o

when the error is removed. To deactivate the alarm, it has to be acknowledged by

selecting AL-NO from the front online options and pressing + .
* Integral time to Pb - n > 0
• HOLD ALARM : When HOLD is ON, in any alarm mode, it prevents an alarm signal on
power-up. The alarm is enabled only if the process temperature is within the alarm range.
• ALARM ANNUNCIATOR : When alarm annunciator is ON, during alarm condition,
* Derivative time to Pb - n > 0
visual annunciation is given by the upper display altering between AL-NO and process
temperature where NO is the alarm number. The annunciator may be disabled by NOTE : * For Proportional band, Integral time and Derivative time n = 1 to 4
selecting function ANN as OFF.
PARAMETER EXPLANATIONS :
• SENSOR ERROR LEVEL : This parameter determines the analog retransmission
output level in case of sensor failure. For eg : In case of 4-20mA retransmission output, if ! AUTO TUNING : Auto tuning is a function whereby the controller learns the process
the sensor error level is set to High, 20mA will be available at the output at all times incase characteristics by itself and automatically sets the required P,I and D values. The new
of input sensor failure. P,I,D parameters will be stored in non-volatile memory automatically. TUNE ON is
indicated by ‘T’ LED blinking. (For detailed explanations of PID parameters refer USER
GUIDE).

23 20
 Programming selec Programming selec
PARAMETER EXPLANATIONS : (contd...) Display Default
Display Name & Description Range
Condition value
OUTPUT POWER LIMITS : These parameters are used to limit the minimum and
!
maximum controller output power. The output power lower limit will ensure that a Hysteresis to O
C 1. Set 2 mode =
minimum percentage of output (as per requirement) is available in case any process Fd / rEV / ALrM
disturbances or setpoint changes occur. The output power high limit ensures that in (not sensor break);
case any process disturbance or set point changes occur, the maximum value of output 2. Heat - cool
is limited to a value as per requirement. mode (Pb-C=0)
Hysteresis bias TC / RTD : 1. Set 2 mode =
! TIMER : TIMER is main output restart time. In this main output once turned OFF will turn O
to C Fd / rEV / ALrM
ON only after set time even if the temperature has increased and is more than the set
temperature. This is needed to prevent the compressor from restarting in a short time Analog input : (not sensor break);
(less than the set time). to 2. Heat - cool
as per decimal mode (Pb-C=0)
! CYCLE TIME : There are 3 selectable modes for programming cycle time : point selected.
USEr : User can program the cycle time. The mode will be altered to AutO when put to Alarm1 mode / /
autotune. / / Set2 mode =
Usr.F : User can fix the cycle time. This has the highest priority. / / ALrM
AutO : This is recommended. The cycle time value is calculated automatically during
autotune.
Alarm latch /
! ANTIRESET WINDUP : The anti-reset windup (ARW) inhibits the integral action until
the PV is within the proportional band thus reducing overshoot on start-up. These
If the selection is - Hold Alarm / parameters
1. AutO : The value will be calculated automatically during autotune (Recommended).
are not
2. ManL: The value can be fed manually by the user.
Relay status for Alarm1 / prompted if
5. LEVEL 2 - AUXILIARY OUTPUT MODES Alarm1 mode
Display Default is OFF.
Display Name & Description Range Alarm Annunciator /
Condition value
/ Not for For Analog
Set 2 Mode * Analog low scaling to
/ / Heat-cool mode. retransmission
Set 2 Type Set 2 mode = if Main output =
/
Fd / rEV. Relay 2 in
Not prompted if Level 4
Set 2 Value to
Set 2 mode = Analog high scaling For Analog
to
alarm & alarm output if Main
mode = S. Brk. output = Relay2
Proportional band-Cool to Heat-cool mode Sensor error level For Analog
Incase of sensor failure
/ Output if Main
the output can be set to output = Relay2
Cycle time-Cool to Sec. Pb-C>0 high or low value of range.

21 NOTE : * - If set 2 mode = none, no other parameters will be prompted. 22