Rockwell Automation 1746-XXXX SLC 500 4-Channel Analog I/O Modules User Manual - Manual (Page 73)

Publication 1746-UM005B-EN-P - June 2004
Programming Examples 6-11
Rung 2:2
Scale values in the 0 to 100% range to the decimal
range for the 4–20 mA analog output.
| Below |Above Mulitply |
| range flag|range flag by scaled |
| range |
| B3 B3 +MUL–––––––––––––––+ |
|––––]/[––––––––]/[–––––––––––––––––––––––––––––––––––+–+MULTIPLY +–+–|
| 0 1 | |Source A N7:0| | |
| | | 0| | |
| | |Source B 24966| | |
| | | | | |
| | |Dest N7:1| | |
| | | 0| | |
| | +––––––––––––––––––+ | |
| | | |
| | Divide by | |
| | input | |
| | range | |
| | +DDV–––––––––––––––+ | |
| +–+DOUBLE DIVIDE +–+ |
| | |Source 100| | |
| | | | | |
| | |Dest N7:1| | |
| | | 0| | |
| | +––––––––––––––––––+ | |
| | Add offset | |
| | +ADD–––––––––––––––+ | |
| +–+ADD +–+ |
| | |Source A N7:1| | |
| | | 0| | |
| | |Source B 6242| | |
| | | | | |
| | |Dest O:2.0| | |
| | | | | |
| | +––––––––––––––––––+ | |
| | Clear math | |
| | overflow | |
| | bit | |
| | S:5 | |
| +––––(U)–––––––––––––––+ |
| 0 |
Rung 2:3
| |
|–––––––––––––––––––––––––––––––––––––+END+––––––––––––––––––––––––––––––––––––|