IEC 61804-4:2020 Devices and integration in enterprise systems - Function blocks (FB) for process control and electronic device description language (EDDL) - Part 4: EDD interpretation
2020IEC 61804-4:2020 Devices and integration in enterprise systems - Function blocks (FB) for process control and electronic device description language (EDDL) - Part 4: EDD interpretation
2015IEC 61804-4:2015 Function blocks (FB) for process control and electronic device description language (EDDL) - Part 4: EDD interpretation