Machine Monitoring Systems
Dual Channel Shaft Vibration
Transmitter MMS 3110
• Integrated signal converters
for both channels
• For measuring and process-
ing relative shaft vibration
signals
• Inputs for eddy current
transducers
• Integrated micro controller
• Corresponds to the most
common standards, such as
VDI 2059/. . and API 670
• Two redundant 24 Vdc sup-
ply inputs
• Self-test functions for elec-
tronic circuits and transduc-
ers
• To be mounted directly at
the machine
• Current outputs 0/4...20 mA
• Limit supervision
Applications:
The Dual Channel Shaft Vibration all types of turbo machinery, fans, points and decentralized data
Transmitter MMS 3110 is part of the compressors, gear boxes, pumps, processing.
MMS 3000 Transmitter System for and similar machines. The inputs of MMS 3000 transmit-
monitoring and protecting any kind MMS 3000 Transmitters are suit- ters may be used for connecting all
of turbo machinery. It permits eco- able for great systems with pro- epro standard - eddy current sen-
nomic measurement and supervi- grammable controls and host com- sors PR 6422/.., PR 6423/.., PR
sion of relative shaft vibrations, puters in power stations, refineries 6424/.. and PR 6425/..
measured with eddy current sen- and chemical plants, as well as in The transmitter is not designed for
sors. smaller plants with few measuring applications in hazardous areas.
Application fields of the system are
MMS
Machine Monitoring Systems
Function and Design:
The MMS 3110 Dual Channel Shaft max. (Sppx, Sppy) or – according to All settings are made with jumpers
Vibration Transmitter converts the VDI 2059: Smax µm. and DIP switches.
input signals of eddy current
sensors to two independent output The integrated module and sensor The transmitters are delivered with
signals proportional to the shaft supervision detects fault functions a configuration suitable for most
vibration or to one output signal of both - sensor and module. In this applications - if desired any other
proportional to the maximum value case the status of the "ok output" configuration can be prepared in the
of both channels according to API (Channel Clear) changes and the factory.
670: 4...20 mA current output switches to
0 mA.
Technical data:
Sensor inputs: proportional to the measuring Environmental conditions:
Two independent inputs for eddy signal, or one output propor- (according to IEC 359,
current sensors with "Lemo" tional to the maximum value of DIN 43745)
connectors; e.g. epro types PR the two inputs: Housing:
6422/.., PR 6423/.., PR 6424/.. 0/4...20 mA or 4...20 mA Aluminium, corrosion-resistant
and PR 6425/.. Permissible burden : Protection class:
= 500 Ohm IP 65 according to DIN 40050,
Measuring ranges: open-circuit and short-circuit IEC 144
Selectable by means of DIP proof CE certified
switches:: Cable connection via cage EMC tested:
PR 6422/..: clamp terminals according to EN 55011 and EN
0..25/50/62,5/125/250µmOp 50082-2
PR 6423/..: Additional outputs: Operating temperature range:
0..50/62,5/100/125/250/500 Two test outputs, one for each -20..... max. +80 °C
µmOp channel, proportional to the dy- Temperature range for storage
PR 6424/.. and PR 6425/..: namic input signal; also to be and transport:
0..100/125/200/250/500/1000 used for analysis and diagnosis -30.....+90 °C
µmOp purposes; cable connection via Permissible relative humidity:
cage clamp terminals. 0.....95 % non-condensing
Frequency range: Buffered voltage output: Permissible vibration and shock:
1 / 5 Hz...250/1500 Hz 0...+10 V Shock: 20 g for 2 ms
There is one output for the “OK“ Vibration: 5 g at 60 Hz
Linearity error: status and one limit value per
0,25 % at 25°C channel; at combining the Mounting direction:
channel values, there are two preferably with cable glands
Stability of output signal over limit values for the measuring showing to the bottom.
temperature: result.
Zero point: Dimensions:
< 0,05 %/K Peak hold time: BxHxT
Gain: adjustable from 127,5 x 125,75 x 80 mm
< 0.01%/K 5.5 ms (200 Hz) to 2222 ms
(0.5 Hz) in 15 steps. Net weight:
Stability of output signal over the approx. 1300 g
time: Power supply:
Zero point: 18...24...36 Vdc galvanically Gross weight:
< 0,05 %/24 h isolated by means of dc/dc approx. 1500 g
Gain: converters
< 0,01 %/24 h Current consumption: Accessories:
approx. 100 mA at 24 V Operating manual
Analog outputs: Power consumption:
Current outputs: approx. 2.5 W
Two, one for each channel,
Module and sensor supervision:
The internal module supervision • the cable between transmitter The state of module and sensor
continuously checks the following and sensor must be ok (no supervision is indicated via poten-
functions: short-circuit, no broken cable) tial-free optocoupler outputs at the
• the input signal is within the • the supply voltage is within the terminal strip.
predefined range ok-range
Maximum electric load of the opto-
coupler output:
U: 48 V DC
I: 100 mA
Machine Monitoring Systems
Programmable measuring parameters:
- operating mode - measuring range - output current
- characteristical variables - warning and alarm limits
- measuring modes - centre of measuring range
Limit supervision:
In the dual channel mode the char- In the single channel mode and in Maximum electric load of the opto-
acteristical value of channel 1 is the operating mode with combined coupler output:
supervised on alarm limit exceed- channels (e.g. Smax) the limit U: 48 V DC
ings by alarm channel yellow and values are assigned to the common I: 100 mA
the characteristical value of channel characteristical value, but may be
2 by alarm channel red. adjusted independently from each
other, e.g. yellow for Alert and red
for Danger.
Operating modes:
The MMS 3110 Transmitter pro- Moreover, the two channels may be
vides different measuring modes. combined with each other. In this
mode, the following measurements
• Single channel mode can be carried out:
So-p • Max(Spp1/Spp2) according to
Sp-p API 670
• Dual channel mode • Smax according to DIN 45670,
So-p characteristical value A
Sp-p
Internal view of the transmitter:
Machine Monitoring Systems
Dimensions:
4 x Ø5,5mm
2 x PG11
Verschraubungen
2 x PG11
cable inlets
2 x Aufnehmer
Lemokupplung
2 x transducer
Lemo socket
Metallschutzschlauch
(optional)
Metall protection tube
(optional)
Connection
diagram:
MMS 3110
Transducer 1
Sensor 1
PR 642./..
Current outp. Ch1
Stromausg. K1
Printed in Germany. Due to continued research and product development
Transducer 2 Current outp. Ch2
epro reserves the right to change these specifications without notice.
Sensor 2 Stromausg. K2
GAP outp. Ch1
PR 642./.. GAP-Ausg. K1
GAP outp. Ch2
GAP-Ausg. K2
Order number:
MMS 3110 Dual Channel Shaft Vibration Transmitter :.....................................…….................. 9100 – 00016
6010 – 00011 0801 Reh
© epro ELEKTRONIK & SYSTEMTECHNIK GmbH
Jöbkesweg 3 D-48599 Gronau Weitere Informationen:
MMS
Tel. +49 (0) 2562/709-245 Internet: www.epro.de/MMS
Fax +49 (0) 2562/709-255 E-Mail: info@epro.de
