📄️ Operating Principle
The initialization program operates only during the early stage of PLC operation. The scan program operates repeatedly as long as the PLC is running. Subroutine programs are executed only when called by the ECALL instruction during the scan program.
📄️ Scan
Scan Program
📄️ Subroutine
Subroutine Program
📄️ Initialization (COLD)
Cold Start Initialization Program
📄️ Initialization (HOT)
Hot Start Initialization Program
📄️ Periodic Interrupt
Periodic Interrupt Program