Parker AC890PX Series, Инженерный справочник

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9-4
C h a p t e r 9 : R o u t i n e M a i n t e n a n c e & R e p a i r
AC890PX AC Drive
Module Replacement
WARNING
Remove the fuses (or trip the circuit breaker) on your 3-phase supply.
Make sure the power is OFF, and that it cannot be switched on accidentally whilst you are working.
Allow at least 10 minutes for the drive's capacitors to discharge to safe voltage levels (<50V).
CD Module, CP Module and CS Module
These modules can be replaced in minutes.
NOTE
The module types will only fit into their correct locations due to the positions
of their connnectors, but note that the CD Modules are identical and can be
inter-changed.
To remove the old module:
1. Unplug the cables from the front of the module.
2. Remove the two bolts securing the module.
3. Pull the module towards you and slide it out of the rack. Weight ??kg.
To fit a new module:
4. Offer up the replacement module and push it to the back of the rack to
make the electrical connections.
5. Secure the module using the two bolts. Tighten to ??Nm.
6. Refit the cables to the front of the module.
The diagram opposite shows the user control connections between modules. Refer
to the following pages.
NOTE The CP Module is only fitted to 400kW drives.