Negative Transition-Sensing Toggle Contact
Function name | NTSTCN_010 |
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Function version | 1.0 |
Function state | stable |
Compatibility with IEC61131-3 | not compatible |
Graphic symbol :
Input / Output :
Name | Belonging Group | Access | Types of data | Description |
---|---|---|---|---|
reference | Normal | R , RW | F , B , W , L , S | Reference variable of the contact |
Description :
If the reference variable is FLAG type:
The state of the right link passes alternatively from OFF to ON (toggle) at each negative transition, from 1 (one) to 0 (zero), of the reference variable (indicated with reference). The state of the left link is ignored.
If the reference variable is BYTE, WORD, LONG and SINGLE type:
The state of the right link passes alternatively from OFF to ON (toggle) at each negative transition, from a value different from 0 (zero) to a value equal to 0 (zero), of the reference variable (indicated with reference). The state of the left link is ignored.