IEC 60870-5-104

IEC 60870-5-104

Mohammed Omer Mohammed Omer

Mohammed Omer

Lead Electrical & Automation Engineer Industrial Automation |Process Automation Certified System Integrator |SCADA Expert| Industry4.0| IOT| EMS | Building Automation PLC | HMI | VFD | RTU| Automation Instructor

发布日期: 2025年2月21日
+ 关注

IEC 60870-5-104 ?is a protocol for power system monitoring and controlling. Mostly used to communication between substations and control centers over Ethernet (Fiber optics, 2/3/4G, ...).IEC 60870-5-104 protocol is an extension of IEC 60870-5-101 protocol with the changes in transport, network, link and physical layer services to suit the complete network access.

Info about protocol

Telegram Structure

Telegram format with fixed length


Telegram format with variable length


  • APCI?- Application Protocol Control Information (First 6 bytes)
  • APDU -?Application Protocol Data Unit (All variable length telegram)
  • ASDU -?Application Service Data Unit

Type identification

Standard IEC 60870-5-104 data types[1-255]

  • [1-127] - standard definition
  • [128-135] - reserved for routing of messages
  • [136-255] - for special use







Cause of transmission

Standard IEC 60870-5-101 cause of transmission [0-63]








Automation Space Automation Space

Automation Space

4,950 位关注者

订阅
Cristian Rodrigo García Delfín

Ingeniero SCADA - Máster en energías renovables: generación eléctrica

1 周

I think is very similar to dnp3 protocol

赞
回复
1 次回应
Husameldin Ismail

Mehcatronics Eng Certified by SOE | Environmental Firmware and Embedded systems instrumentation programming specialist | Marine Integrator expert | Air quality instruments | Water Quality Monitoring

1 周

What a coincidence, i was just now reading about it to expand my knowledge, thanks for this post Eng. Mohammed

赞
回复
1 次回应
查看更多评论

要查看或添加评论，请登录

Mohammed Omer的更多文章