本文介绍的多路开关量遥信装置是为某大型油库设计的,可用于800m外的收油作业和600m外的倒罐作业.该遥信装置作为计算机控制系统的备用装置,当计算机系统出毛病后,该装置可继续完成远距离的收油作业和倒罐作业中各电磁阀门、电动机的开关,并可将现场阀门或电动机的开关状态自动实时地反映在模拟显示屏上. This article describes the multi-channel switch remote signaling device is designed for a large oil depot, can be used for oil collection operations 800m and 600m outside the inverted operation of the tank as a backup device for computer control system, when the computer system problems After the device can continue to complete the long-distance oil-receiving operations and reversing operation of the solenoid valve, the motor switch, and the field valve or motor switch status automatically reflected in real-time on the analog display.