基于西门子SQ-200的十字路*通信号灯控制程序，简洁实用-Siemens SQ-200 at the crossroads of traffic lights control procedures, simple and practical

本程序为S7-200PLC程序，用于项目数据采集，可以一次性采集最多10块电子电表，10块数显表，4块变送器的数据。-For S7-200 PLC program, the program for data collection, can be a one-time acquisition at most 10 pieces of electronic meters, 10 digital display table, 4 pieces of data transmitter