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Wiring
3.7
Wiring the ET 200L IM-SC Interface Module
Introduction
Wiring the IM-SC
Bus terminating
switch
Connection for
power
supply
Connection for
PROFIBUS-DP
Connection for
chassis ground
Figure 3-9
Connections of the IM-SC Interface Module
IM-SC Connection
to Chassis Ground
Strain Relief Grip
3-18
The IM-SC connects the TB 16IM-SC terminal block to the PROFIBUS-DP.
The figure below shows all the connections of the IM-SC interface module:
The chassis ground connection of the ET 200L-SC IM-SC is on the IM-SC
interface module.
1. You must connect the connection point to the rail with low resistance. To
do this, use at least a 4mm
cable lug with a nominal size of 4-6 (in accordance with DIN 46237).
Place the cable lug on the screw by means of which you attach the inter-
face module to the terminal block.
2. Connect the rail with low resitance to the foundation ground.
Ungrounded installation is not possible.
Attach a strain relief grip approximately 20 – 30 cm from the IM-SC for the
connecting cables for the power supply and PROFIBUS-DP.
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
2
cable with a maximum length of 0.5 m and a
EWA 4NEB 780 6009-02c
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