Wiring
6.2 Operating the ET 200MP on grounded incoming supply
ET 200MP Distributed I/O System
54 System Manual, 01/2013, A5E03723484-01
Components and protective measures
Various components and protective measures are specified for assembling a full installation.
The type of components and the degree to which protective measures are binding depend
on the IEC (DIN VDE) regulation applicable to your plant configuration. The table refers to
the following figure and compares the IEC (DIN VDE) regulations.
Table 6- 1 Components and protective measures
Reference for the
figure
IEC 60364 (DIN VDE 0100) IEC 60204 (DIN VDE 0113)
Shut-off device for control system,
sensors, and actuators
①
Main switch Disconnector
Short-circuit / overload protection:
In groups for sensors and actuators
②
③
Single-pole protection of
circuits
With grounded secondary
circuit: fuse unipolar
Otherwise: fuse all poles
Load power supply for AC load
circuits with more than five
electromagnetic devices
②
Isolation by transformer
recommended
Isolation by transformer
recommended
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