All Programmable Logic Controllers (PLC) and Processors shall use Object Link Embedded (OLE) process control (OPC) protocol to facilitate communication to a central control and data processing system.
所有可编程控制器(plc)和处理器应采用植入目标链接(ole)的过程控制(opc)协议，以便与中央控制和数据处理系统的通讯。
All Programmable Logic Controllers (PLC) and Processors shall use Object Link Embedded (OLE) process control (OPC) protocol to facilitate communication to a central control and data processing system.
所有可编程控制器(plc)和处理器应采用植入目标链接(ole)的过程控制(opc)协议，以便与中央控制和数据处理系统的通讯。
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