Siemens SINAMICS G120D Series Operating Instructions Manual page 120
Distributed converter, control units cu240d-2 with encoder evaluation.
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Also See for SINAMICS G120D Series:
- List manual (910 pages) ,
- Operating instructions manual (398 pages) ,
- Original instructions manual (382 pages)
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Advanced commissioning
7.2 Inverter control
Bright and dark test
The inverter filters signal changes using bright and dark tests at its safety-related inputs:
● SIL 2 / PL d: the safety-related inputs of the inverter have an adjustable software filter.
● SIL 3 / PL e: a fixed hardware filter suppresses signal changes ≤ 4 ms at the safety-
related input of the PM240-2 (FSD, FSE) Power Module.
Special measures when establishing connections
When routing cables over longer distances, e.g. between remote control cabinets, you have
the following options to reduce the risk of damaged cables of your plant or machine:
● Use shielded cables with grounded shield.
● Lay signal cables in steel pipes.
Examples of connecting a safety-related input can be found in Section: Connecting the
safety-related input (Page 308).
120
Converter with control units CU240D-2
Operating Instructions, 04/2015, FW V4.7.3, A5E34262100B AB
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