Protective Conductor Connection And Potential Equalization - Siemens SIMOTION P320-4 E Manual

Connection

6.4 Protective conductor connection and potential equalization

6.4 Protective conductor connection and potential equalization
The protective conductor connection is needed to protect the device and helps ensure that
interference signals generated by power lines, signal lines or lines to I/O devices are safely
discharged to earth.
The protective conductor connection on the device must be connected to the protective
conductor of the control cabinet or system in which the device is installed.
Electrical shock hazard and risk of fire
Internal components of a faulty device may carry dangerous voltages that pose the risk of
fire or electrical shock. Risk of death and serious injury.
● Always connect the ground conductor before you commission the device.
● Never operate the device without protective conductor.
● Take a faulty device out of service immediately and mark it accordingly.
Requirement
● The device has been installed.
● 1 protective conductor, minimum cross section 2.5 mm
● 1 T20 screwdriver
● 1 x M4 cable lug
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WARNING
2
SIMOTION P320-4 E / P320-4 S
Manual, 01/2015