그림 1. PLC PA 제어보드 구성도 Fig. 1 Block diagram of PLC PA control board
그림 2. PLC 스피커 구성도 Fig. 2 Block diagram of PLC speaker
그림 3. PLC PA 제어기 펌웨어의 동작 흐름도 Fig. 3 Flow diagram of a firmware for PLC PA controller
그림 4. PLC PA 소프트웨어 계층도 Fig. 4 Hierarchy of PLC PA software
그림 5. 커맨드 데이터 패킷 구조 Fig. 5 Structure of command data packet
그림 6. 스트리밍 데이터 패킷 구조 Fig. 6 Structure of streaming data packet
그림 7. PLC PA 제어기가 PLC 스피커에 등록 정보를 요청하는 콘솔 화면 Fig. 7 Console screen which displays requesting registration information from PLC PA controller to PLC speakers
그림 8. PLC 스피커에서 정보가 등록되는 콘솔 화면 Fig. 8 Console screen which displays information registered in PLC speakers
그림 9. 현재 등록되어 있는 PLC 스피커 상태 콘솔 화면 Fig. 9 Console screen which displays registered status of PLC speakers
그림 10. 메인 화면 Fig. 10 Main window
그림 11. PLC PA 제어기 검색 Fig. 11 Searching for PLC PA controller
그림 12. PLC PA 제어기 설정 Fig. 12 Setting up of PLC PA controller
그림 13. PLC PA 제어기 환경 설정 Fig. 13 Environment setting of PLC PA controller
그림 14. 스피커 설정 화면 Fig. 14 Window for setting speakers
그림 15. PLC 스피커 등록 팝업창 Fig. 15 Pop-up window for PLC speakerregistration
그림 16. PLC 스피커 상태 창 Fig. 16 Window for status of PLC speakers
참고문헌
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