Ms-27
71x97x61 mm Din raiL
multi-compreSSor or multi-Fan controller
Four ON/OFF outputs for the control of single or multi-stage compressors or fans.
Proportional output for speed control (inverters) Output with change-over contacts for
alarm control Input for pressure transmitter (0/4…20mA) or for a temperature probe
(NTC10K) Two digital inputs on voltage free contact for programmable function, up to
three digital optocoupled voltage inputs for a complete system diagnostics Selection
of the control algorithm: rotation of outputs, sequential activation, optimisation of the
available power Pressure – Temperature conversion according to gas used Storage
of the latest nine alarms Automatic maintenance management 115Vac or 230Vac
power supply by means of built-in transformer Connections on screw terminals or quick
connectors DIN-Rail mount Connection to supervisory PC.
for cryogenerators in supermarkets, cold stores and all cryogenic systems with variable
demand.
applicationS:
Pressure input type: 0/4…20mA
range: -1.0…45.0bar
resolution: 0.1bar
accuracy: ±0.2bar
Temperature input type: NTC10K
range: -50.0…120.0°C
resolution: 0.5°C
accuracy: ±0.5°C
Power supply MS27…E 230Vac±10%, 50/60Hz, 3W
MS27…U 115Vac±10%, 50/60Hz, 3W
Relay outputs OUT1…OUT4 5(1)A
Alarm 7(2)A
Front protection IP55
mS27: technical Data
MS27 series
-1QE-B -1SE-A -1SU-B
Screw terminals
Quick on M/F terminals
Functions
Connections
230Vac
Power supply
Serial port
115Vac
TTL
RS485
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