P0904HN LZS 1500-3FOX Analog output card

Connecting Power Supply The Excel 800 System can be powered by one or more external transformers. Note The maximum length for the power supply cable from a transformer is 3 m. This also includes the length of the modules and the connection cables between the rails. Referring to Fig. 31 the following conditions must be fulfilled: A + B ≤ 3 m and A + C ≤ 3 m Single or the First Transformer 

► Connect the transformer to terminals 1 and 2 of the XCL8010 Controller.

► Connect the additional transformer in a second room or cabinet to terminals 73 and 74 or 77 and 78 of an I/O module.

Equipment damage! 

► Do not use bridge connectors to connect modules powered by different transformers. 

► When connecting modules powered by different transformers using cables, be sure to not connect terminals 73 and 77.

Connecting Single Bus Controller Systems 

This section describes how to connect a controller system which uses Panel Bus I/O modules, only or LONWORKS Bus I/O modules, only. Controller and I/O Modules on a Single Rail 

► Connect controller and I/O modules using the bridge connectors. This provides power supply and communication connection. No further wiring is necessary. Controller and I/O Modules on Several Rails in a Single Cabinet The rails of a controller system are connected in series. 

► Connect the rail ends as follows: – Power supply via power supply terminals 73, 74 or 77, 78 – Communication via communication terminals 71, 72 or 75, 76

Maximum Power Cable Length 

The maximum length for power supply cable per side is 3 m. This also includes the connection cables between the rails, the lengths of the modules, and the cable from the transformer.