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Wire the RTB
Use the following illustration to wire the RTB:
CJC Assembly
Do NOT use these
connections
CJC Assembly
Retaining Screw
Cold Junction Compensation (CJC)
ATTENTION
!
In case of accidental removal of one or both thermistors (part number A40845-221-01),
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+) as shown below.
Always attach red
lug to the CJC+
terminal
CJC A+
CJC A-
CJC B+
CJC B-
Do not remove or loosen the cold junction compensating thermistors
located on the terminal block. Both thermistors are critical to
ensure accurate thermocouple input readings at each
channel. The module will not operate in the thermocouple mode if a
thermistor is removed
Barrel Temperature Control Module
Retaining Screw
Channel 0+
Channel 0-
Channel 1+
Channel 1-
Channel 2+
Channel 2-
Channel 3+
Channel 3-
spare part catalog number:
n/c
1746-RT32
CJC Senosr part number
A40845-221-01
Publication 1746-IN020B-EN-P - July 2002
9
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