Devices and integration in enterprise systems - Function blocks (FB) for process control and electronic device description language (EDDL) - Part 4: EDD interpretation (IEC 61804-4:2020); English version EN IEC 61804-4:2020
企业系统中的设备和集成.过程控制和电子设备描述语言(EDDL)用功能块(FB).第4部分:EDD解释(IEC 61804-4-2020);英文版EN IEC 61804-4:2020