30
Install and Wire the Module
Wire the Module
Publication 1746-UM614B-EN-P - September 2007
The module contains a green, 18-position, removable terminal block.
Terminal Block
(Terminal Block Spare Part Catalog Number 1746-RT32)
CJC A+
CJC Assembly
CJC A-
Do NOT use
these
connections
See page 26.
CJC B-
CJC Assembly
CJC B+
Release Screw
Disconnect power to the SLC controller before attempting to
ATTENTION
install, remove, or wire the terminal block.
Cold-junction Compensation (CJC)
Do not remove or loosen the cold-junction compensating
ATTENTION
thermistors located on the terminal block. Both thermistors are
critical to be sure of accurate thermocouple input readings at
each channel. The module does not operate in the
thermocouple mode if a thermistor is removed.
In case of accidental removal of one or both thermistors, replace them
by connecting them across the CJC terminals located at the top and/or
bottom left side of the terminal block. Always connect the red lug to
the (+) terminal (to CJC A+ or CJC B+).
CJC Connection
Thermistor
Always attach
red lug to the
CJC+ terminal.
Release Screw
Channel 0+
Channel 0-
Channel 1+
Channel 1-
Channel 2+
Channel 2-
Channel 3+
Channel 3-
n/c
Bottom of Terminal Block
Do not connect
to this terminal.