S
Inputs
|
Input |
Data Type |
Range |
Unit |
Default |
Description |
|---|---|---|---|---|---|
|
SET |
BOOL |
|
|
|
Condition. |
Outputs
|
Output |
Data Type |
Range |
Unit |
Description |
|---|---|---|---|---|
|
Q |
BOOL |
|
|
Output to be forced. |
Remarks
None
Truth Table
|
SET |
Q prev |
Q |
|---|---|---|
|
0 |
0 |
0 |
|
0 |
1 |
1 |
|
1 |
0 |
1 |
|
1 |
1 |
1 |
FBD Language Example
- In the 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, RS and SR function blocks are preferred.
FFLD Language Example
- In the FFLD "Free Form Ladder Diagram" Language, they are represented by (S) and (R) coils.
Example: Use of S coil:
IL Language Example
- In the IL "Instruction List"
This is a low-level language and resembles assembly Language, S and R operators are available as standard instructions.
Op1: FFLD SET
S Q (* Q is forced to TRUE if SET is TRUE *)
(* Q is unchanged if SET is FALSE *)
ST Language Example
Not available.
See Also
