IEC ProtocolTime：2018-10-29 Author：
In electrical engineering and power system automation, the International Electrotechnical Commission 60870 standards define systems used for telecontrol (supervisory control and data acquisition). Such systems are used for controlling electric power transmission grids and other geographically widespread control systems.
IEC 60870-5-104-This present a combination of the application layer of IEC 60870-5-101 and the transport functions provided by a TCP/IP.
The IEC 60870-5-104 protocol is based on the following documents by the IEC Technical Committee 57:
What is characteristic of IEC 60870-5-104 ?
IEC 60870-5-1 Transmission Frame Formats
IEC 60870-5-2 Data Link Transmission Services
IEC 60870-5-3 General Structure of Application Data
IEC 60870-5-4 Definition and Coding of Information Elements
IEC 60870-5-5 Basic Application Functions
IEC 60870-5-101 Companion standard for the IEC 60870-5-101 Protocol
IEC 60870-5-104 Companion standard for the IEC 60870-5- 104Protocol
WECON HMI supports IEC 60870-5-104 Client.
WECON HMI are used in electricity industry.
HMI project(PI 9120 HMI)
Compared with the previous protocol, the new protocol has higher security and higher efficiency and can meet actual application requirements.
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