CS31 Bus Connections

CS31 Bus is connected with terminals 1.0 to 1.7 and 2.0 to 2.7 through the Terminal Unit. The end-of-line resistor can also be activated by using external wire jumpers.

The following pictures describe the different possibilities of connecting CS31 Buses to the CI590-CS31-HA:

Option 1

Electrical connection of CS31 Bus A with CI590-CS31-HA located at the Bus end

Option 2

Electrical connection of CS31 Bus A with CI590-CS31-HA located in the middle of the Bus

Option 3

Electrical connection of CS31 Bus B with CI590-CS31-HA located at the Bus end

Option 4

Electrical connection of CS31 Bus B with CI590-CS31-HA located in the middle of the Bus

Details on CS31 wiring is described seperately CS31 system bus.