Siemens SINAMICS S120 Operating Instructions Manual page 102

Commissioning
6.2 Commissioning the cooling unit
Status signals of the cooling unit
The following status signals are sent from the cooling unit to the converter:
Status signal
Cooling unit ready
● Low = cooling unit not ready
● High = cooling unit ready to switch on. You can start
Cooling unit operates correctly.
● The cooling unit operates correctly after switch-on.
●
●
● The coolant temperature lies within the correct
Group alarm
● High = no alarm active
● Low = at least one alarm message is active
Group fault
● High = no-fault active
● Low = at least one fault is active
102
the converter.
A pump is running.
The water pressure and the water level match the
specifications.
range.
Function name
DI0
DI1
DI3
DI3
Applications for Cabinet Modules, liquid cooled
Operating Instructions, 04/2015, A5E35974555A
TM31 terminal
-X520:1
-X520:2
-X520:3
-X520:4