Mounting and connecting the Extension Unit
3.13 Connecting an Extension Unit
Extension Units KPxx
54
Operating Instructions, 05/2019, A5E43600360-AC
Connecting the cables
NOTICE
Observe the local installation regulations
Observe the local regulations and the local installation conditions, such as protective wiring
for power supply cables, when connecting the cables.
●
When connecting the cables, make sure that you do not bend the contact pins.
●
Secure each cable connector with a cable tie.
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Provide adequate strain relief for all cables.
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The pin assignment of the ports is described in the technical specifications.
3.13.2
Connecting the functional grounding
Requirement
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The Extension Unit is mounted.
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1 cable for functional grounding, cross section 2.5 to 4 mm
2
, with cable lug for M4 is
threaded through the pedestal or support arm to the connection compartment.
●
1 T20 screwdriver
Procedure
The figure below shows the communication module of an Extension Unit Hardwired or
Extension Unit PROFINET as an example.
1. Clamp the cable lug onto the cable for functional grounding.
2. Connect the cable lug to the marked
screw.
Tighten the screw with a torque of
1.5 Nm.
3. Connect the cable for functional grounding to the corresponding connector of the control
cabinet from which the Extension Unit is supplied with power.