Rockwell Automation 1746-NT4 Series B,D17466.6.1 SLC 500 4-Channel Thermocouple/mV Input Module User Manual - Manual (Page 95)

Publication 1746-UM007C-EN-P - July 2004
Application Examples 8-9
0
Rung 2.4
Degrees
Selector Switch -
Celsius
]/[
I:2.0
If the ambient/cabinet selector switch is turned to the ambient position and the degrees selector
switch is in the Celsius position, configure channel 0 to read the ambient temperature
thermocouple in degrees Celsius.
OSR
B3
4
Configure NT4
Channels
MOVE
Source N10:4
Dest O:1.0
1
I:2.0
] [
Ambient/Cabinet
Selector Switch -
Ambient
MOV
0
Rung 2.5
Degrees
Selector Switch -
Celsius
] [
I:2.0
If the ambient/cabinet selector switch is turned to the cabinet position and the degrees selector
switch is in the Celsius position, configure channel 0 to read the CJC sensor on the NT4 module in
degrees Celsius.
OSR
B3
5
Configure NT4
Channels
MOVE
Source N10:9
Dest O:1.0
1
I:2.0
]/[
Ambient/Cabinet
Selector Switch -
Cabinet
MOV
Rung 2.6
If channel 0 is set up for reading the ambient thermocouple, energize the ambient pilot light on
the annunciator panel.
Ambient Light
MASKED EQUAL
Source I:1.4
Mask FEFF
Compare N1
0:4
( )
O:7.0
0
MEQ
Rung 2.7
If channel 0 is set up for reading the CJC sensor on the NT4 module, energize the cabinet pilot
light on the annunciator panel.
Cabinet Light
MASKED EQUAL
Source I:1.4
Mask FEFF
Compare N10:9
( )
O:7.0
1
MEQ