A function block groups an algorithm and a set of private data. It has inputs and outputs. - Generate a pulse signal with long period
Inputs
RUN : DINT Enabling command
DAYS : DINT
Period : number of days
TM : TIME
Rest of the period (if not a multiple of 24h)
Outputs
Q : BOOL PulseWhen the step gets activated, the action is activated for a single execution, and possibly once again when the step is deactivated signal
Remarks
This block provides a pulse signal with a period of more than 24h. The period
is expressed as:
DAYS * 24h + TM
For instance, specifying DAYS=1 and TM=6h means a period of 30 hours.
ST Language
(* MyDTEVERY is a declared instance of DTEVERY function block *)
MyDTEVERY (RUN DAYS, TM);
Q := MyDTEVERY.Q;
FBD Language
FFLD Language
IL Language:
(* MyDTEVERY is a declared instance of DTEVERY function block *)
Op1: CAL
MyDTEVERY (RUN DAYS, TM)
FFLD MyDTEVERY.Q
ST Q
See also
