Siemens SINAMICS G120 CU240B-2 Operating Instructions Manual page 238

Service and maintenance
8.1 Replacing the inverter components
Component replacement
Replacing components where recommissioning is needed
In the cases below, you will need to reparameterize the inverter when the components have
been replaced:
Component replacement
238
E:4 S C-V3N97875
s
SINAMICS
MICRO MEMORY CARD
6 S L 3 2 5 4 - 0 A M 0 0 - 0 A A 0
E:4 S C-V3N97875
s
SINAMICS
MICRO MEMORY CARD
6 S L 3 2 5 4 - 0 A M 0 0 - 0 A A 0
Replacing Control Unit with
memory card with a Control Unit
of the same type and

higher
firmware version:

(e.g. replacing a CU with
FW V4.2 by a CU with FW V4.3)
Replacing Power Module with a Power Module
of the same type and

lower
power rating

Replacing Power Module with a Power Module of a
type
(e.g. replacing a PM240 with a PM250)
Replacing Control Unit with a Control Unit
of the same type and

lower
firmware version

(e.g. replacing a CU with FW V4.3 with a CU with FW V4.2)
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
Remark
different