
Analog Input Modules
(T3420A, AF)
PD
-
6023
Mar
-
06
13
Figure
6
. Fault Tolerant Analog Input Configurations.
Field Wiring
Field wiring terminal blocks on the I/O chassis are used to
connect the analog input signa
l wiring to the module. The
terminal blocks are located directly above and below the slot
where the module is installed. Each terminal block consists of
10 #6 wire clamp screw terminals capable of holding two 12
AWG wires. Figure
7
shows the proper connection of 16
-
channel single
-
ended analog input signals to the input wiring
terminals. Figure
8
shows the proper connection of eight
-
channel differential analog input signals.
The analog input module does not provide the loop power for
the analog input signals. If you interface two
-
wire
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