Uso De Matemáticas Estándar - Allen-Bradley SLC 500 Manual Del Usuario

6–4 Ejemplos de programación
Rung 2:0
Check for below allowable range
|
|
| +LES–––––––––––––––+
|–+LESS THAN
| |Source A
| |
| |Source B
| |
| +––––––––––––––––––+
Rung 2:1
Check for above allowable range
|
|
| +GRT–––––––––––––––+
|–+GREATER THAN
| |Source A
| |
| |Source B
| |
| +––––––––––––––––––+
Rung 2:2
Turn on the below range alarm output when analog
input is below acceptible range
| Below
| range flag|
|
|––––] [–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
|
Rung 2:3
Turn on the above range alarm output when analog
input is above acceptible range
| Above
| range flag|
|
|
|––––] [–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
|
Publicación 1746 6.4ES - Enero de 1996
Uso de matemáticas estándar
+–––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
I:1.1|
|
14344|
|
+–––––––––––––––––––––––––––––––––––––––––––––––––( )–––––|
I:1.1|
|
16383|
|
|
B3
0
|
|
B3
1
La lógica de escalera continúa en la página siguiente.
Below |
range flag |
B3 |
0 |
|
|
|
|
Above |
range flag |
B3 |
1 |
|
|
|
|
Below |
range alarm |
O:2 |
0 |
Above |
range alarm |
|
O:2 |
1 |