Rockwell Automation 1746-XXXX SLC 500 4-Channel Analog I/O Modules User Manual User Manual
Page 67
Publication 1746-UM005B-EN-P - June 2004
Programming Examples 6-5
Rung 2:4
Scale the analog input value and process the result
only when it is within the acceptible range
| Below |Above Multiply |
| range flag|range flag by the |
| scaled range |
| |
| B3 B3 +MUL–––––––––––––––+ |
|––––]/[––––––––]/[–––––––––––––––––––––––––––––––––––+–+MULTIPLY +–+–|
| 0 1 | |Source A I:1.1| | |
| | | | | |
| | |Source B 400| | |
| | | | | |
| | |Dest N7:0| | |
| | | 0| | |
| | +––––––––––––––––––+ | |
| | | |
| | Divide | |
| | result by | |
| | input | |
| | range | |
| | +DDV–––––––––––––––+ | |
| +–+DOUBLE DIVIDE +–+ |
| | |Source 32767| | |
| | | | | |
| | |Dest N7:0| | |
| | | 0| | |
| | +––––––––––––––––––+ | |
| | Add offset | |
| | (N7:0 cont | |
| | ains proce | |
| | ss tempera | |
| | ture) | |
| | +ADD–––––––––––––––+ | |
| +–+ADD +–+ |
| | |Source A N7:0| | |
| | | 0| | |
| | |Source B 100| | |
| | | | | |
| | |Dest N7:0| | |
| | | 0| | |
| | +––––––––––––––––––+ | |
| |
| | Clear flt | |
| | bit from | |
| | overflow | |
| | S:5 | |
| +––––(U)–––––––––––––––+ |
| 0 |
Rung 2:5
| |
|–––––––––––––––––––––––––––––––––––––+END+––––––––––––––––––––––––––––––––––––|
| |
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