Control And Status Signals At The Tm31 Terminal Module - Siemens SINAMICS S120 Manual

5.3.2.1

Control and status signals at the TM31 Terminal Module

Commands for controlling the cooling unit
The following commands are isolated signals from the converter to the cooling unit:
Command
Switching on and switching off the cooling unit
•
•
Stopping the cooling unit
•
Acknowledging the cooling unit alarms
•
Cabinet Modules liquid cooled
Manual, 10/2015, A5E37067587A
If the cooling unit is in the ready state, then it
is switched on with a rising signal edge.
The cooling unit is switched off with a falling
signal edge. The pump continues to run for x
minutes.
The cooling unit is immediately switched off
with a falling signal edge. The pump does not
continue to run.
Alarms and fault signals of the cooling unit are
acknowledged with a rising signal edge.
Commissioning the cooling circuit
5.3 Filling the internal deionized water circuit
Function name
DI/DO8
DI/DO9
DI/DO10
TM31 terminal
-X541:2
-X541:3
-X541:4
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