Rockwell Automation 1746-NR4 SLC RTD/Resistance Input Module User Manual - Manual (Page 115)

Publication 1746-UM008B-EN-P - December 2006
Application Examples 115
Program Listing
The first two rungs of this program send the correct channel setup
information to the RTD module based on the position of the degrees
selector switch.
Program to Display Data on LED Displays
0
Rung 2.0
Degrees
Selector Switch ±
Fahrenheit
] [
I:2.0
If the degrees selector switch is turned to the Fahrenheit position, set up all four channels to read in degrees
Fahrenheit.
OSR
B3
0
Configure R TD
Module Channels
COP
COPY FILE
Source
#N10:0
Dest #O:1.0
Length 4
0
Rung 2.1
Degrees
Selector Switch ±
Celsius
]/[
I:2.0
If the degrees selector switch is turned to the Celsius position, set up all four channels to read in degrees Celsius.
OSR
B3
1
Configure R TD
Module Channels
COP
COPY FILE
Source
#N10:4
Dest #O:1.0
Length 4
Rung 2.2
TO BCD
Source
I:1.0
Dest O:3.0
Write RTD Module Ambient
Temperature to Display
TOD
Rung 2.3
TO BCD
Source
I:1.1
Dest O:4.0
Write RTD Module Bath
Temperature to Display
TOD