Rockwell Automation 1746-NR4 SLC RTD/Resistance Input Module User Manual - Manual (Page 110)

Publication 1746-UM008B-EN-P - December 2006
110 Application Examples
Program to Convert °F to BCD
15
Rung 2.0
First Pass Bit
] [
S:1
MOVE
Source
N10:0
Dest O:3.0
Initialize Channel 0
of RTD Module.
MOV
Rung 2.1
Convert the channel 0 data word (degrees F) to BCD values and write this to the LED display. If channel 0 is
ever disabled, a zero is written to the display
.
TO BCD
Source
I:3.0
Dest N7:0
TOD
MASKED MOVE
Source
N7:0
Mask 0FFF
Dest O:2.0
MVM ➀
➀ The use of the masked move instruction with the 0FFF mask allows you to use outputs 12, 13, 14, and 15 for
other output devices in your system. The 7-segment display uses outputs 0-11.
Rung 2.2
END