Operating principle
For prioritized terminal control, the controller uses FCB 04 function block (= manual mode). This function block can only be overwritten by a higher-level FCB (e.g. FCB 01, FCB 14, FCB 13, ..).
Additional information
For prioritized terminal control, the controller uses FCB 04 function block (= manual mode). This function block can only be overwritten by a higher-level FCB (e.g. FCB 01, FCB 14, FCB 13, ..).