Siemens sinumerik 828d Service Manual page 186

Service cases - hardware
4.14 Sensor Modules Cabinet
NOTICE
Electro-static discharge (ESD)
Before you touch the module, discharge yourself at the cabinet or at the ground terminal.
Procedure:
1. Before withdrawing it, label the connector X524 for the electronics power supply.
2. Screw on the encoder connecting cable to X520 or X521 / X531, if required, also the
3. Release the protective conductor connection and write the position designation on the
4. Slide the lug downwards.
5. Swivel the module to the front to remove it.
186
shield connection.
cable.
CAUTION
The 50 mm clearances above and below the components must be observed.
Hardware and Software
Service Manual, 03/2011, 6FC5397-5DP40-0BA0