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Danh mục TaiLieu.VN
Supervisory Control & Data Acquisition - Communication Technology Modbus Protocol
An open data communication protocol developed in 1979 Published by Modicon Open structure Flexible Widely known Supplied by many SCADA and HMI software Have OPC Servers 2 serial transmission modes: ASCII 10 bits RTU (Binary) 11 bits Communication interface RS-232/485 Ethernet (TCP/IP) Station Device: 0 ~ 255 Digital input 1xxxx: 4 digits for hexadecimal address (0000 ~ FFFF) 1xxxxx: 5 digital for decimal address (0 ~ 65535)...
14 p cntp 12/11/2012 436 1
Từ khóa: Supervisory Control, Data Acquisition, Communication, Technology, Modbus, Protocol
Supervisory Control & Data Acquisition - Communication Technology
Control the flow of information security, accessibility, data control Centralize resources save cost on local work stations and peripherals Simplify data / software management Backups, IS maintenance Share information with multiple users Distribute tasks reduce local need CPU power Master / Slave (Similar to the teacher- student relationship) Peer to Peer (Similar to the workgroup concept) Client / Server (Similar to...
65 p cntp 12/11/2012 363 1
Từ khóa: Supervisory Control, Data Acquisition, Communication Technology, WorldFIP, LON works, Modbus
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