Here’s a complete, ready-to-use post explaining the Beckhoff First Scan Bit in TwinCAT PLC.

It automatically resets to FALSE after that first scan.

(* Logic Section ) IF bFirstScan THEN ( --- This runs ONLY on the first scan --- ) nCounter := 0; ( Reset variables ) ( Perform other startup routines *)

The most straightforward way is to declare a global variable that resets itself after the first cycle.

Beckhoff First Scan Bit 100%

Here’s a complete, ready-to-use post explaining the Beckhoff First Scan Bit in TwinCAT PLC.

It automatically resets to FALSE after that first scan. beckhoff first scan bit

(* Logic Section ) IF bFirstScan THEN ( --- This runs ONLY on the first scan --- ) nCounter := 0; ( Reset variables ) ( Perform other startup routines *) Here’s a complete

The most straightforward way is to declare a global variable that resets itself after the first cycle. beckhoff first scan bit