Beckhoff CPX29 0000 Series, Инструкция по установке и эксплуатации

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Mounting and wiring
CPX29xx-0000 21 Version: 0.2
Earthing measures
Earthing connections dissipate interference from external power supply cables, signal cables or cables to
peripheral equipment. Establish a low-impedance connection from the earthing point on the Control Panel
housing to the central earthing point on the control cabinet wall, in which the Panel is being installed.
Malfunction possible with missing ground connection
A proper ground connection of the device is absolutely necessary for the correct function of the
touchscreen.