【摘要】 针对计算机在工业自动化领域的智能仪器仪表现场运行数据的直接高速采集到应用软件的实际,提出了一种使用基于OPC工业控制软件接口标准的自动化接口(OPCDaAuto),遵循OPC数据访问规范,通过RSLinx OPC服务器提供通讯通道,实现上位机与PLC的数据采集的接口程序的开发方案,并在工业现场得到实际应用,运行结果表明,接口程序通用性和稳定性优良。更多还原

【Abstract】 Aimed at the direct high-speed data acquisition of intelligent instrument and field operation in industrial automation and the practical application of software,the paper introduces an interface using OPCDaAuto and follwing the OPC data access specification.The development plan for the interface grogram between the supervisory computer and the PLC data acquisition has been implemented via the communication channel provided by RSLinx OPC server.The industrial actuality proved the good generality and the trusty stability.更多还原