Draft Document - Programmable controllers - Part 9: Single-drop digital communication interface for small sensors and actuators (SDCI) (IEC 65B/1199/CDV:2021); German and English version prEN IEC 61131-9:2021
文件草稿.可编程控制器.第9部分:小型传感器和执行器用单点数字通信接口(SDCI)(IEC 65B/1199/CDV:2021);德文和英文版本prEN IEC 61131-9:2021