在分析实验室现存设备控制情况下,选用WinCC 工业软件来实现对西门子公司PLC 和A-B 公司PLC 的过程监控,本文着重论述如何使用Opc 方式实现WinCC 与A-B PLC 之间的通信,以及使用组态软件结合Opc 方式对实验室设备统一监控和管理。 关 键 词: PLC; WinCC; FMS; OPC; Abstract: By analyzing the laboratory extant device, Selected the sofewore of WinCC to realize the control of process to siemens PLC and A-B PLC. This paper emphatically discusses how to use the Opc to realize the communication between WinCCand A-B PLC; to use WinCC and Opc to monitor and manage the bench-scale equipmentunification. KeyWords: PLC; WinCC; FMS; OPC ; Serial communication