Rockwell Automation 1746-XXXX SLC 500 4-Channel Analog I/O Modules User Manual - Manual (Page 66)

Publication 1746-UM005B-EN-P - June 2004
6-4 Programming Examples
Using Standard Math
Rung 2:0
Check for below allowable range
| Below |
| range flag |
| +LES–––––––––––––––+ B3 |
|–+LESS THAN +–––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
| |Source A I:1.1| 0 |
| | | |
| |Source B 14344| |
| | | |
| +––––––––––––––––––+ |
Rung 2:1
Check for above allowable range
| Above |
| range flag |
| +GRT–––––––––––––––+ B3 |
|–+GREATER THAN +–––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
| |Source A I:1.1| 1 |
| | | |
| |Source B 16383| |
| | | |
| +––––––––––––––––––+ |
Rung 2:2
Turn on the below range alarm output when analog
input is below acceptible range
| Below | Below |
| range flag| range alarm |
| B3 O:2 |
|––––] [–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
| 0 0 |
Rung 2:3
Turn on the above range alarm output when analog
input is above acceptible range
| Above | Above |
| range flag| range alarm |
| | |
| B3 O:2 |
|––––] [–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
| 1 1 |
Ladder logic continued on the next page .