Fig. 1. Architecture schematic of typical master programming tool

Fig. 2. Schematic diagram of Beremiz system

Fig. 3. Architecture and schematic diagram of autonomous and controllable master programming tool

Fig. 4. Schematic diagram of IDE code generation function

Fig. 5. Function schematic diagram of bus configuration plug-in

Fig. 6. Functional schematic diagram of HMI data access plug-in

Fig. 7. Schematic diagram of main station runtime function

Fig. 8. Flow chart of component manager program

Fig. 9. Schematic diagram of working principle of program debugging component

Fig. 10. Schematic diagram of working principle of Modbus transceiver components

Fig. 11. Schematic diagram of working principle of NCUC transceiver components

Fig. 12. Schematic diagram of implementation of safety function

Fig. 13. Sequence chart of SS1 function block

Fig. 14. Sequence chart of SSR function block

Fig. 15. Schematic block diagram of experimental equipment for programmable control system

Fig. 16. Physical connection diagram of programmable control system

Fig. 17. IDE program design and development process

Fig. 18. System peripheral experiment result