EnableEventsPLCopen motion icon

FunctionClosedA function calculates a result according to the current value of its inputs. A function has no internal data and is not linked to declared instances. - Enable or disable the production of events for binding(runtimeClosedIn computer science, runtime (or run-time) describes the operation of a computer program, the duration of its execution, from beginning to termination (compare compile time). Within KAS, runtime also refers to the virtual machine that manage the program written in a computer language while it is running to runtime variable exchange)

Inputs

EN  : BOOL  TRUE to enable events / FALSE to disable events

Outputs

ENO : BOOL  Echo of EN input

Remarks

Production is enabled when the application starts. The first production will be operated after the first cycle. So to disable events since the beginning, you must call EnableEvents (FALSE) in the very first cycle.

In FFLD language, the input rung (EN) enables the event production, and the output rung keeps the state of the input rung. In ILClosed"Instruction list" This is a low-level language and resembles assembly language, the input must be loaded before the function call.

ST Language

ENO := EnableEvents (EN);

FBD Language

FFLD Language

(* Events are enables if EN is TRUE *)
(* ENO has the same value as EN *)

IL Language:

Op1: LDClosed"Ladder diagram" Ladder logic is a method of drawing electrical logic schematics. It is now a very popular graphical language for programming Programmable Logic Controllers (PLCs). It was originally invented to describe logic made from relays. The name is based on the observation that programs in this language resemble ladders, with two vertical "rails" and a series of horizontal "rungs" between them  EN
     EnableEvents
     ST  ENO