FUNCTION_BLOCK TOF
Implements a timer with a turn-off delay
(* Example declaration *)
TOFInst : TOF ;
(* Example in ST *)
TOFInst(IN := VarBOOL1, PT:= T#5s);
VarBOOL2 := TOFInst.Q;
InOut:
|
Scope |
Name |
Type |
Comment |
|
Input |
IN |
BOOL |
Falling edge: starts delay counter Rising edge: resets delay counter |
|
PT |
TIME |
Time for the delay counter [ms] |
|
|
Output |
Q |
BOOL |
TRUE if IN is TRUE FALSE if IN is FALSE and delay time PT elapsed |
|
ET |
TIME |
Elapsed time since falling edge at IN |
