Installation and wiring – Orion System E-BUS Distribution User Manual
Page 7

Technical Guide
E-BUS Distribution Module
7
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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