Multi Compressor Or Multi Fan Controller – Lae Electronic MS-27 Series

Features

  • 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.
  • Connectivity to
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Applications

For cryogenerators in supermarkets, cold stores and all cryogenic systems with variable demand.

Specification

Functions -1SE-A -1SU-B
Connections Screw terminals
Power supply 230Vac
115Vac
Serial port TTL
RS485

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