Connecting Power Supply - Honeywell Excel 800 Installation And Commissioning Instructions

Excel 800

Connecting Power Supply

The Excel 800 System can be powered by one or more
external transformers.
NOTE: The max. length for the power supply cable from
a transformer is 3 m. This includes the length of
the modules and the connection cables between
the rails.
NOTE: Referring to Fig. 30, the following conditions must
be fulfilled: A ≤ 3 m and B ≤ 3 m
Single or the First Transformer
Connect the transformer to terminals 1 and 2 of the
►
XCL8010 Controller.
I/O I/O
A
A 3 m
AND
B 3 m
Fig. 30 Wiring power supply from the (first) transformer to
the controller module
CPU
I/O
1 2
B
Additional Transformer
Connect the additional transformer in a second room or
►
cabinet to terminals 73 and 74 or 77 and 78 of an
I/O module.
71
TRANS-
FORMER 2
72
I/O
73
74
Fig. 31 Wiring the power supply from a second
transformer
NOTICE
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.
23
Wiring and Setting Up the System
I/O
MAX. 3 m
EN1B-0375GE51 R0315