Terminal Strips On Cu240B-2 Control Units - Siemens SINAMICS G120 Operating Instructions Manual

Installing
3.4 Installing Control Unit
3.4.3

Terminal strips on CU240B-2 Control Units

If you require more than four digital inputs, use terminals 3 and 4 (AI 0) as additional digital input DI 11.
①
Wiring when using the internal power supplies.
②
Wiring when using external power supplies.
③
Wiring when using the internal power supplies.
④
Wiring when using external power supplies.
If your application requires UL certification, please observe the note regarding the digital
output in Section Technical data, CU240B-2 Control Unit (Page 263).
Define the meanings of the inputs and outputs during basic commissioning. Further
information can be found in section Select interface assignments (Page 46).
44
CAUTION
DI = high, if the switch is closed.
DI = high, if the switch is closed.
DI = low, if the switch is closed.
DI = low, if the switch is closed.
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2011, FW 4.4, A5E02299792B AB