Publication 1746-UM022B-EN-P - January 2005
1-6 Module Overview
Block Diagram
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Terminal Block Module Circuitry
CJCA Sensor
Shield
Shield
Shield
Shield
CJCB Sensor
User Selected
Filter F requency
Digital
Va lue
Analog to
Digital
Converter
Digital
Filter
multiplexer
Analog
Ground
Wit hin
12.5V
ungrounded
thermocouple
grounded
thermocouple
IMPORTANT
When using multiple thermocouples, the potential
between any two channels cannot exceed the
channel-to-channel differential voltage (12.5 volts).
For more information, see Appendix B.