Siemens SINUMERIK 828D Series Software And Hardware Service Manual page 216

Service cases - hardware
4.17 Sensor Modules External
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
Procedure:
1. Release the encoder connecting cable of the SME25.
2. Withdraw the DRIVE-CLiQ cable from the SME25.
3. Release the protective conductor connection of the SME25.
4. Remove the defective SME25.
Installing
Procedure:
1. Now install the new SME25.
2. Screw on the protective conductor connection.
3. Reconnect the encoder connecting cable.
4. Connect the DRIVE-CLiQ cable.
Note
Connections/cables
The maximum DRIVE-CLiQ cable length is 100 m.
The maximum encoder cable length is 3 m.
In order to guarantee the degree of protection, all of the plug connectors must be correctly
screwed into place or snapped into place.
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Software and hardware
Service Manual, 08/2018, 6FC5397-5DP40-6BA1