Operator - Force a boolean output to TRUE.
SET : BOOL Condition
Q : BOOL Output to be forced
|
SET |
Q prev |
Q |
|
0 |
0 |
0 |
|
0 |
1 |
1 |
|
1 |
0 |
1 |
|
1 |
1 |
1 |
S and R operators are available as standard instructions in the IL language. In LD languages they are represented by (S) and (R) coils In FBD language, you can use (S) and (R) coils, but you should prefer RS and SR function blocks. Set and reset operations are not available in ST language.
Not available.
Not available. Use RS or SR function blocks.
(* use of "S" coil *)
Op1: LD SET
S Q (* Q is
forced to TRUE if SET is TRUE *)
(* Q is unchanged if SET is FALSE *)