Rockwell Automation 1746-XXXX SLC 500 4-Channel Analog I/O Modules User Manual - Manual (Page 88)

Publication 1746-UM005B-EN-P - June 2004
6-26 Programming Examples
Using the Scale with Parameters (SCP) Instruction
Rung 2:0
Check for below range.
| +LES–––––––––––––––+ B3 |
|–+LESS THAN +––––––––––––––––––––––––––––––––+––( )–––––––––––––––––+–|
| |Source A I:1.0| | 0 | |
| | | | | |
| |Source B 3277| | | |
| | | | | |
| +––––––––––––––––––+ | | |
| | +MOV–––––––––––––––+ | |
| +–+MOVE +–+ |
| |Source 0| |
| | | |
| |Dest O:1.0| |
| | | |
| +––––––––––––––––––+ |
Rung 2:1
Check for above range.
| +GRT–––––––––––––––+ B3 |
|–+GREATER THAN +––––––––––––––––––––––––––––––––+––( )–––––––––––––––––+–|
| |Source A I:1.0| | 1 | |
| | | | | |
| |Source B 16384| | | |
| | | | | |
| +––––––––––––––––––+ | | |
| | +MOV–––––––––––––––+ | |
| +–+MOVE +–+ |
| |Source 8192| |
| | | |
| |Dest O:1.0| |
| | | |
| +––––––––––––––––––+ |
Rung 2:2
Scale the analog input for the analog output.
| B3 B3 +SCP––––––––––––––––––––+ |
|––––]/[––––––––] [––––––––––––––––––––––––––––––––––+SCALE W/PARAMETERS +–|
| 0 1 |Input I:1.0| |
| | | |
| |Input Min. 3277| |
| | | |
| |Input Max. 16384| |
| | | |
| |Scaled Min. 0| |
| | | |
| |Scaled Max. 8192| |
| | | |
| |Scaled Output O:1.0| |
| | | |
| +–––––––––––––––––––––––+ |
| |
Rung 2:3
| |
|–––––––––––––––––––––––––––––––––––––+END+––––––––––––––––––––––––––––––––––––|
| |