Siemens SIMATIC ET 200AL System Manual page 29

Io-link i/o modules

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Connecting

5.2 Operation of the IO-Link I/O modules on a grounded/ungrounded infeed

Overall configuration of IO-Link I/O modules

The figure below shows the overall electrical configuration using the example of an IO-Link

I/O module with port class A on an IO-Link master with port class A.

①

Main switch

②

Short-circuit and overvoltage protection

③

Fuses for cable protection

④

In the configuration of the IO-Link system with ungrounded reference potential, the connection between 1M and

functional ground is omitted.

Figure 5-1 Electrical configuration of IO-Link I/O module with port class A

IO-Link I/O modules

System Manual, 10/2020, A5E48755395-AA

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