Replacing A Control Unit With Enabled Safety Function - Siemens SINAMICS G120D Operating Instructions Manual

Corrective maintenance

10.3 Replacing a Control Unit with enabled safety function

10.3 Replacing a Control Unit with enabled safety function
Replacing a Control Unit with data backup on a memory card
Precondition
You have a memory card with the actual settings of the Control unit to be replaced.
If you use a memory card with firmware, after the replacement, you obtain a precise copy
(firmware and settings) of the replaced Control Unit.
Procedure
To replace the Control Unit, proceed as follows:
1. Disconnect the line voltage to the Power Module and (if installed) the external 24 V
supply or the voltage for the digital outputs of the Control Unit.
2. Remove the signal cables from the Control Unit.
3. Remove the defective Control Unit.
4. Remove the memory card from the old Control Unit and insert it in the new Control Unit.
5. Mount the new Control Unit on the Power Module. The new Control Unit must have the
same order number and the same or higher firmware version as the Control Unit that was
replaced.
6. Reconnect the signal cables of the Control Unit.
7. Connect up the line voltage again.
8. The inverter loads the settings from the memory card.
9. Check what the inverter reports after loading.
– Alarm A01028:
– Fault F01641:
You have replaced the Control Unit and transferred the safety function settings from the
memory card to the new Control Unit.
214
The loaded settings are not compatible with the inverter.
Clear the alarm with p0971 = 1 and recommission the drive.
Acknowledge the message.
Carry out a reduced acceptance test; see Section: Reduced acceptance test after
function expansions (Page 190).
Converter with control units CU240D-2
Operating Instructions, 04/2014, FW V4.7, A5E34262100B AA