Power supply and grounding concept in the overall configuration
The following figure shows the IO device based on the ET 200SP HA distributed I/O system in
its overall configuration (supply voltage and ground concept) when supplied from a TN‑S
network.
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Main switch / disconnector
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Power supply (galvanic isolation)
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Short-circuit / overload protection
Figure 6-4
ET 200SP HA in its overall configuration
See also
Power supply (SELV/PELV) (Page 148)
Wiring
6.3 Operation of the IO device on a grounded power supply
ET 200SP HA Distributed I/O system
84
System Manual, 08/2019, A5E39261167-AD
Summary of Contents for SIMATIC ET 200SP HA
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