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Technical Guide

E-BUS Distribution Module

Installation and Wiring

E-BUS Terminal Blocks TB1 and TB2

Wiring

The E-BUS Terminal Blocks TB1 and TB2 provide an alternate method

of connecting the E-BUS Distribution Module to the other modules. This

method is used when it is necessary to pull the wire through conduit or

to extend the length.

WARNING: Power down the E-BUS Distribution Module

and E-BUS Module(s) before splicing the

HSSC cable.

Figure 5: E-BUS Distribution Terminal Block Wiring

After removing the connector from the E-BUS Distribution end of the

HSSC cable, wire or splice to the terminal blocks as follows:

NOTE: When extending the HSSC cable, do not exceed 200

feet without factory approval.

+ COMM Black wire RS-485 (+) communications

SHLD Green wire Shield or common internally tied

to GND

- COMM White wire RS-485 (-) communications

GND Not used

+ VDC Not used Unregulated +DC voltage for

powering certain sensors

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Orion-system E-BUS Distribution Manuale Utente Pagina 7