User Manual

Chapter 1: Module Overview 3
HardwareHardware
HardwareHardware
Hardware
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The module contains a removable terminal block. Channels are wired as
differential inputs with the exception of RTD and resistance type inputs.
One cold junction compensation (CJC) sensor can be added to the
terminal block to enable accurate readings when using thermocouple input
types. The CJC sensor compensates for offset voltages introduced into the
input signal as a result of the cold-junction where the thermocouple wires
are connected to the module.
Module configuration is done via the controllers programming software
and hardware jumper settings. In addition, some controllers support
configuration via the user program. In either case, the module
configuration is stored in the memory of the controller. Refer to your
controllers user manual for more information. The illustration below
shows the module’s hardware features.
5a
9
5b
6
7a
7b
8b
7b
8a
7a
OK
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10a
10b
4
10
2b
3
2a
1
DANGER
Do Not Remove RTB Un der
Power Unless Area is Non-
Haza rdou s
Ensure Adjacent Bus
Lever is Unlatched/
Latched Before/After
Removing/Ins erting
Module
OK
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Item Description
1 bus lever
2a upper panel mounting tab
2b lower panel mounting tab
3 module status LED
4 module door with terminal identification label
5a movable bus connector (bus interface) with female pins
5b stationary bus connector (bus interface) with male pins
6 nameplate label
7a upper tongue-and-groove slots
7b lower tongue-and-groove slots
8a upper DIN rail latch