Two plug connectors are available on the thyristor electronics for connection to the thyristor and
the external circuitry. The mating connector is integrated at the mounting position of the
thyristor electronics.
If the thyristor electronics have to be replaced, proceed as follows:
Disconnecting the cables
To disconnect the cables, proceed as follows:
1. If there are no core end markings, label the two fiber-optic cables and the connected cables.
2. Remove all connecting leads.
3. Detach the two fiber-optic cables from the opto-receiver and opto-transmitter modules.
4. Pull out the fiber-optic cables.
Maintenance
9.6 Repairs
SINAMICS SL150 6SL38655UM427AA02
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Operating Instructions Rev.201910281507 EXAMPLE