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The following figure shows the connection of the Ethernet bus module CI522-MODTCP.
Fig. 150: Connection of the communication interface module CI522-MODTCP
Further information is provided in the System Technology chapter .
Connection of the digital inputs
The following figure shows the connection of the digital input DI8. Proceed with the digital inputs
DI9 to DI15 in the same way.
2022/01/31
NOTICE!
Risk of damaging the PLC modules!
Overvoltages and short circuits might damage the PLC modules.
–
Make sure that all voltage sources (supply voltage and process supply
voltage) are switched off before you begin with operations on the system.
–
Never connect any voltages or signals to reserved terminals (marked with
---). Reserved terminals may carry internal voltages.
3ADR010278, 3, en_US
Communication interface modules (S500) > Modbus
Device specifications
775
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