Siemens SINAMICS S120 Function Manual page 58

Drive functions

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2.4 Line contactor control

Commissioning steps:

1. Connect the line contactor control contact to DI/DO 8

The current-carrying capacity of the digital output must be observed (see SINAMICS

S120 Control Units and Supplementary System Components Manual). A contactor relay

may be required!

2. Parameterize DI/DO 8 as output (p0728.8 = 1).

3. Assign parameter p0738 the control signal for the line contactor r0863.1

4. Connect the line contactor feedback contact to DI/DO 9.

5. Assign p0860 an inverted input signal r0723.9.

6. Enter the monitoring time for the line contactor (100 ms) in p0861.

Function diagrams (see SINAMICS S120/S150 List Manual)

Overview of important parameters (see SINAMICS S120/S150 List Manual)

• r0863.0...2

Active Infeed - Missing enables, line contactor control

BI: Line contactor, feedback signal

CO/BO: Drive coupling status word / control word

Power section main contactor hold time after OFF1

Configuration sequence control

Function Manual, 11/2017, 6SL3097-4AB00-0BP5

Drive functions

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