Category Archives: IEC 60870-5

The IEC 60870-5 category provides a complete technical resource for engineers, SCADA integrators, and automation specialists working with telecontrol protocols used in electrical transmission and distribution networks. This category covers the full IEC 60870-5 family, including IEC 60870-5-101, IEC 60870-5-104, IEC 60870-5-103, ASDU structures, cause of transmission, link layer frames, balanced/unbalanced modes, and master–outstation communication rules.

You will find detailed guides, decoding explanations, timing requirements, interoperability considerations, and real-world examples that help you design, test, troubleshoot, and optimize SCADA communication links. The content is relevant for RTUs, IEDs, protection relays, gateways, data concentrators, and control-center systems.

Balanced and Unbalanced Transmission in IEC 60870-5-101

In the realm of Supervisory Control and Data Acquisition (SCADA) systems, the IEC 60870-5 protocol suite is a fundamental standard for telecontrol and remote communication in power systems and industrial automation. One of the core technical distinctions within the IEC 60870-5-101 profile is between balanced and unbalanced transmission modes. These modes define how communication is initiated and managed… Read More »