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NETWORK

2021. 5. 23. 06:55
4. Network  0) interface가 왜 필요한가?(Reason why you know about the interface)
 1) 산업통신프로토콜(Industrial protocol)
 2) Field bus
 3) Industrial Ethernet 
 4) OPC통신
 5) 왜 Kepware를 사용하나?(Why you have to use the kepware)
 6) Ethernet 기술▲, Fieldbus 기술▼
 7) RJ-45 Lan cable,  Cross cable & Direct Cable
 8) Serial Commnuication Protocol - RS485
 9) RS-485 2선식 연결과 4선식 연결 방식 (RS485 4w to 2w)

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