Installation
18 UDC2300 Controller Product Manual 12/00
13
14
+
_
Auxiliary
Load
0 - 500
Ω
Connect shield
to ground at one
end only.
1
1
AuxOut , Digital Input and Communications are mutually exclusive.
Auxiliary Output
13
14
+
_
Contact
Input
Switch
Connect shield
to ground at one
end only.
Digital Inputs
1
1
13
14
D–
D+
COMMUNICATION MASTER
(A) (RTN) (B)
D+
SHLD
D–
120 OHMS
TO OTHER
COMMUNICATION
CONTROLLERS
D+D–
120 OHMS ON LAST LEG
Connect shield wires together with
supplied crimp part number 30755381-001
1
2
Do not run these lines in the same conduit
as AC power.
1
2
Communications
Figure 2-16 External Interface Option Connections