Rockwell Automation 1746-XXXX SLC 500 4-Channel Analog I/O Modules User Manual - Manual (Page 87)

Publication 1746-UM005B-EN-P - June 2004
Programming Examples 6-25
Using SCL 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 +SCL–––––––––––––––+ |
|––––]/[––––––––] [–––––––––––––––––––––––––––––––––––––––+SCALE +–|
| 0 1 |Source I:1.0| |
| | | |
| |Rate [/10000] 6250| |
| | | |
| |Offset –2048| |
| | | |
| |Dest O:1.0| |
| | | |
| +––––––––––––––––––+ |
| |
Rung 2:3
| |
|–––––––––––––––––––––––––––––––––––––+END+––––––––––––––––––––––––––––––––––––|