Category IEC Standards

IEC 62409 EPA: Real-time Ethernet for Plant Automation

Understanding the IEC/PAS 62409 Standard for Process Control Communication 1. Introduction to EPA and IEC/PAS 62409 IEC/PAS 62409 defines the EPA (Ethernet for Plant Automation) protocol, a real-time Ethernet communication standard specifically designed for process control and plant automation environments.…

IEC 62406 TCnet: Time-Critical Control Network

Understanding IEC/PAS 62406 for Industrial Communication 1. Overview IEC/PAS 62406 defines TCnet, a real-time Ethernet protocol designed for industrial control systems. Developed by Yokogawa and Toshiba, TCnet was standardized as an IEC PAS in 2005. TCnet achieves cycle times as…