Using Scale With Parameters (Scp) Instruction - Rockwell Automation Allen-Bradley 1746-HSCE User Manual

Using Scale with Parameters (SCP) Instruction

Rung 2:0
Check for below allowable range.
|
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| +LES–––––––––––––––+
|–+LESS THAN
| |Source A
| |
| |Source B
| |
| +––––––––––––––––––+
Rung 2:1
Check for above allowable range.
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| +GRT–––––––––––––––+
|–+GREATER THAN
| |Source A
| |
| |Source B
| |
| +––––––––––––––––––+
Rung 2:2
Turn on the below range alarm output when the analog
input is below the acceptible range.
| Below
| range flag
| B3
|––––] [––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––( )––|
| 0
Rung 2:3
Turn on the above range alarm output when the analog
input is above the acceptible range.
| Above
| range flag
| B3
|––––] [––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––( )––|
| 1
Rung 2:4
| Below |Above
| range flag |range flag
| B3
|––––]/[––––––––]/[–––––––––––––––––––––––––––––––––––––––+SCALE W/PARAMETERS+–|
| 0
Rung 2:5
|
|–––––––––––––––––––––––––––––––––––––+END+––––––––––––––––––––––––––––––––––––|
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+–––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
I:1.1|
0|
14344|
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+–––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
I:1.1|
0|
16383|
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B3
1
Programming Examples
Below
range flag
B3
0
Above
range flag
B3
1
Below
range alarm |
O:2
Above
range alarm |
O:2
Scale
analog input
+SCP–––––––––––––––+ |
|Input I:1.1| |
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|Input Min.
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|Input Max. 32767|
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|Scaled Min. 100|
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|Scaled Max. 500|
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|Scaled Output N7:0|
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+––––––––––––––––––+
Publication 1746-UM005B-EN-P - June 2004
6-7
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