Installation topology (PA hybrid installation example)

The following figure shows the basic PA hybrid installation typology with a hybrid cable for line voltage and 24 V backup voltage. The communication cable and the optional STO signal are led separately to the device.

[1]

Connected drive units with/without digital interface

[2]

Decentralized drive units or decentralized inverters in communication design DFC or DSI

[3]

PA hybrid cable for line voltage and 24 V backup voltage

[4]

Max. permitted cable length of the STO cable between safety relay and the last inverter: 100 m.

[5]

Max. permitted cable length of the fieldbus cable between the inverters: 100 m.