R
Operator - Force a boolean output to FALSE.
Inputs
Input |
Data type |
Description |
RESET |
BOOL |
Condition. |
Outputs
Output |
Data type |
Description |
Q |
BOOL |
Output to be forced. |
Truth table
RESET |
Q prev |
Q |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
0 |
1 |
1 |
0 |
Remarks
In LD language these instructions 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.
ST Language
Not available.
FBD Language
Not available. Use RS or SR function blocks.
LD Language
Use of "R" coil:
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