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

2.1.4

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.
Frequency converters with Control Units CU230P-2; CU240B-2; CU240E-2
Getting Started, 01/2011, A5E02792536C AB
2.1 Interfaces of the Control Units
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.
Installation
19