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"Instruction list" This is a low-level language and resembles assembly language. In FFLD languages they are represented by (S) and (R) coils In FBD"Function block diagram" A function block diagram describes a function between input variables and output variables. A function is described as a set of elementary blocks language, you can use (S) and (R) coils, but you must prefer RS and SR function blocks. Set and reset operations are not available in ST"Structured text" A high-level language that is block structured and syntactically resembles Pascal language.
Not available.
Not available. Use RS or SR function blocks.
(* use of "S" coil *)
Op1: FFLD SET
S Q (* Q is forced to TRUE if SET is TRUE *)
(* Q is unchanged if SET is FALSE *)
See also
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