Service and maintenance
7.2 Replacing modules (spare part scenario)
SIMOTION D4x5-2
Commissioning and Hardware Installation Manual, 02/2012
315
SIMOTION D4x5-2 module replacement without PG/PC
To enable a module replacement without a PG/PC, you must back up the current non-
volatile SIMOTION and SINAMICS data on the CompactFlash card during operation.
Note
Non-volatile SIMOTION and SINAMICS data that is not backed up on the CompactFlash
card will be lost if a spare part is installed (in the event of a module defect). (For example,
failing to back up the current values of the retain variables will result in them being lost and
reset to their initial values.)
If an absolute encoder overflow occurs after _savePersistentMemoryData, the actual position
value is no longer correct after the non-volatile data is restored. In this case, homing
(absolute encoder adjustment) must be repeated.
See also
Parts replacement for SIMOTION D4x5-2 (Page 313)
Operations and their effect on the use
r memory (Page 94)
Module replacement (Page 103)
7.2.3 Replacing DRIVE-CLiQ components
Module replacement
DRIVE-CLiQ components not only support replacement in the switched-off state of the
machine/system (Power Off), but also a replacement during operation. For this, the
component to be replaced must be at the end of the DRIVE-CLiQ line.
Requirement
● The affected components are located at the end of the line.
● If an infeed is affected, the power units supplied by it do not function.
Procedure for "Removing a component"
1. Deactivate the affected component or the drive object.
2. Remove the DRIVE-CLiQ connector.
3. Remove the supply voltage for the component and remove the component.
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