IEC TR 61804-6:2012
过程控制用功能块(FB).电子设备描述语言(EDDL).第6部分:满足现场设备工程工具中集成现场总线设备的要求
Function blocks (FB) for process control - Electronic device description language (EDDL) - Part 6: Meeting the requirements for integrating fieldbus devices in engineering tools for field devices