Beckhoff First Scan Bit File

Ensure your first scan flag is initialized to TRUE in its declaration.

: Ensures equipment begins in a safe, known state. beckhoff first scan bit

// Implementation fbFirstScan(IN := NOT fbFirstScan.Q, PT := T#1MS); bFirstScan := NOT fbFirstScan.Q; Ensure your first scan flag is initialized to

Use the "Restart TwinCAT System" button (red square then green triangle) to truly test your first scan logic. 2. Time-Based Tasks PT := T#1MS)