LAE LTR-5 Series Instructions For Use Manual page 55

Ms-27
71 97 61
x x
m -
ulti compreSSor or multi
Four ON/OFF outputs for the control of single or multi-stage compressors or fans.
Proportional output for speed control (inverters)
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
of the control algorithm: rotation of outputs, sequential activation, optimisation of the
available power Pressure – Temperature conversion according to gas used
of the latest nine alarms Automatic maintenance management
power supply by means of built-in transformer
connectors DIN-Rail mount Connection to supervisory PC.
a :
pplicationS
for cryogenerators in supermarkets, cold stores and all cryogenic systems with variable
demand.
Functions
Connections Screw terminals
Quick on M/F terminals
230Vac
Power supply
115Vac
TTL
Serial port
RS485
Din r
mm aiL
-
Fan controller
Output with change-over contacts for
115Vac or 230Vac
Connections on screw terminals or quick
MS27 series
-1QE-B -1SE-A
Selection
Storage
mS27: t
echnical
Pressure input
Temperature input
Power supply
Relay outputs
Front protection
-1SU-B
Wiring diagrams
D
ata
type:
range:
resolution:
accuracy:
type:
range:
resolution:
accuracy:
MS27...E
MS27...U
OUT1...OUT4
Alarm
0/4...20mA
-1.0...45.0bar
0.1bar
±0.2bar
NTC10K
-50.0...120.0°C
0.5°C
±0.5°C
230Vac±10%, 50/60Hz, 3W
115Vac±10%, 50/60Hz, 3W
5(1)A
7(2)A
IP55
Instruction