In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.

可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。

youdao

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。

youdao

In the late 1960s Allen-Bradley bought a small outfit that made programmable logic controllers--custom minicomputers.

FORBES: Choreographer of the Assembly Line

U.S. and Asian demand, he says, was broad-based, with particularly solid growth for analog chips, embedded controllers and programmable logic devices.

FORBES: Update: Avnet CEO Sees More Growth In Corporate IT Spending