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Wiring rules for ...
Stripped length of the cable
Wire end ferrule according to DIN 46228 with plastic ferrule**
* AWG: American Wire Gauge
** See note "Wire end ferrules"
Note
Wire end ferrules
Use crimp shapes with smooth surfaces, such as provided by square and trapeze shaped crimp
cross sections.
Crimp shapes with wave-shaped profile are unsuitable.
6.5
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.
6.6
Signaling contact
The signaling contact (relay contact) is a floating switch with which error/fault states can be
signaled by breaking the contact.
SCALANCE X-300M
Compact Operating Instructions, 05/2023, A5E02630801-14
Connecting
6.6 Signaling contact
Screw/spring-loaded ter‐
minals
8 - 10 mm
8 - 10 mm
47
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