Connecting Functional Ground - Siemens SCALANCE X-300 Compact Operating Instructions

Connecting

5.4 Connecting functional ground

5.4 Connecting functional ground
Installation on a DIN rail
The device is grounded over the DIN rail.
S7 standard rail
The device is grounded over its rear panel and the neck of the screw.
Wall mounting
The device is grounded by the securing screw in the unpainted hole.
Please note that IE Switches X-300 must be grounded over one securing screw with
minimum resistance.
If an IE Switch X-300 is mounted on a non-conducting base, a grounding cable must be
installed. The grounding cable is not supplied with the device. Connect the paint-free surface
of the IE Switch X-300 to the nearest grounding point using the grounding cable.
19" rack mounting
● 24 VDC variant:
Grounding is via the mounting bracket on the device or alternatively/additionally via the
screw-on bolts on the rear of the device.
● 100 to 240 VAC variant:
Grounding is via the mounting bracket on the device or alternatively/additionally via the
screw-on bolts on the rear of the device.
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Compact Operating Instructions, 05/2016, A5E00982643-14
SCALANCE X-300