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