71x97x61 mm
Applications:
for cryogenerators in supermarkets, cold stores and all cryogenic systems with variable demand.
Technical Data
Pressure input
Temperature input
Power supply
Relay outputs
Front protection
IP55
- 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
Applications:
for cryogenerators in supermarkets, cold stores and all cryogenic systems with variable demand.
Technical Data
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