Service cases - hardware
4.13 Active Line Modules
Hardware and Software
Service Manual, 03/2011, 6FC5397-5DP40-0BA0
175
4.13.3 This is how you remove an ALM
Overview
The activities that must be taken into account when replacing an Active Line Module (ALM)
are subsequently described.
If a module has a hardware defect, then it must be replaced by an identical module.
Preconditions:
● The module is defective and must be replaced.
● The control cabinet is in a no-voltage condition, all of the connectors and cables are
labeled.
Removing
NOTICE
Electro-static discharge (ESD)
Before you touch the module, discharge yourself at the cabinet or at the ground terminal.
Procedure:
1. Switch-off the control: Completely switch off the system. Check that the system is in a no-
voltage condition and is locked-out so that it cannot be switched on again without the
appropriate authorization.
2. Access the control cabinet where the infeed module is located.
3. If it has not already been done, label all connectors/cables that lead to the module now.
Only then, can it be ensured that the cables are not interchanged.
4. Withdraw the enable terminals X21.
5. Withdraw the connected DRIVE-CLiQ cables X200 - X202.
6. Withdraw the line supply connection X1.
DANGER
Risk of electric shock
A hazardous voltage is present for up to 5 minutes after the power supply has been
switched off. The protective cover must not be opened until this time has elapsed.
The warning information on the components must be carefully observed!
7. Open the protective cover of the DC link voltage using a suitable tool (e.g. a screwdriver).
8. Withdraw the 24 V terminal adapter.
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