Rockwell Automation T3431-CA ICS Regent Thermo Couple Input Assembly - Manual (Page 12)

Thermocouple Input Assembly (T3431)
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Industrial Control Services
Thermocouple Multiplexer Configuration
The thermocouple input multiplexer provides jumpers to
configure the thermocouple types, noise filtering, temperature
units, and temperature resolution. All thermocouple
configuration jumpers are located on the component side of
the Mux as shown in Figure 7. To access these jumpers the
Mux must be removed from the termination panel.
Figure 7. Location of Configuration Jumpers on Mux.
Thermocouple Type Configuration
Each group of eight inputs, 1-8, 9-16, and 17-24, is
individually configured for thermocouple type J, K, S, or T
using three jumpers for each group of inputs. The three
jumpers are labeled Bit 4, Bit 2 and Bit 1. The jumper
settings for each thermocouple type are shown in Table 1.
Table 1. Thermocouple Type Jumper Settings.
Thermocouple Type Bit 4 Bit 2 Bit 1
J Low Low Low
K Low Low High
S High Low Low
T High Low High
To assign the thermocouple type, find the associated jumper
block for the group T/C 1-8, T/C 9-16, or T/C 17-24 and place
each jumper next to the appropriate high or low designation.