4 Repair activities, controller IRC5
4.3.6. Replacement of system power supply
3HAC021313-001 Revision: K202
© Copyright 2004-2008 ABB. All rights reserved.
4.3.6. Replacement of system power supply
General
In the Single Cabinet Controller the drive system power supply DSQC 626A/627 will be
replaced by the system power supply DSQC 661.The replacement will start from August
2007.
Location
The illustration below shows the location of the system power supply in the Single Cabinet
Controller.
xx0700000139
Required equipment
A Customer I/O power supply
B Power distribution board
C System power supply
Equipment Spare part no. Art. no. Note
System power supply 3HAC026253-001 DSQC 661
Standard toolkit The contents are
defined in section
Standard toolkit.
Other tools and procedures
may be required. See
references to these
procedures in the step-by-
step instructions below.
Circuit diagram 3HAC024480-004
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