4 Electrical installation
Festo – GDCP-CMMS-AS-G2-HW-EN – 1310NH – English 25
4.2.3 Protective earthing of the motor controller
Warning
Danger of electric shock
Motor c ontrollers are devices with increased leakage c urrent (> 10 mA). If wiring is in-
correct or the device is defective, high voltage can occur on the housing, which can
result in serious injury or even death if the housing is touched.
• Before commissioning, and also for brief measuring and test purposes, connect the
PE protective conductor Fig. 4.4:
– to the ear thing screw of the controller housing
– to pin PE [X9 .5], power supply.
The cross section of the protective conductor at PE [X9.5 ] must correspond at
least to the cross section of the external conductor L [ X9.1].
• Observe the regulations of EN 50178 and I EC 60204-1 for protective earthing.
4.2.4 Protective earthing of the motor
Warning
Danger of electric shock
The connected motor and the motor cable carry increased leakage current. Improper
earthing can result in hazardous voltage levels and EMC interference.
• Connect the PE wire of the motor c able to connection PE [ X6.5] Chapter 4.8.2
• Apply the cable screening of the motor cable to the shield connection terminal of the
motor controller Chapter 4.8.2.
• Apply the cable screening of the encoder cable flat on the plug housing of the c on-
nection [X2] Chapter 4.4.
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