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S7-200可编程控制器与微机通信的设计和实现
消耗积分:5 |
格式:rar |
大小:117 |
2009-05-30
吴湛
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西门子公司的SIMATIC S7-200 系列是适应于中小型设备控制的微型PLC， 应用领域广泛。无论是独立运行或相连成网络皆能在自动化系统中实现复杂的控制功能，强劲的通信能力使其在同类PLC 产品中独具特色。本文以飞剪控制系统为例，介绍了S7-222 的通信方式，着重阐述了自由口通信的参数设定、协议规划和通信程序设计 。
关键词：PLC；S7-200；Win9x；自由口模式；串口
the Implement of Communication between PLC and PC Abstract：The PLC of SIEMENS SIMATIC S7-200 series is suit for small and middle controlling systems. It is widely used in many areas. It fulfills complicated controlling tasks whether individually or in networks. It’s powerful communication ability makes itself distinguished in PLC products. The article takes a flying shear system for example, introduces the communication method of S7-200, mainly discusses the parameters, protocols and programming in Freeport mode.
Key words: PLC;S7-200; Win9x;Free-Port;Serial Port
关键词：PLC；S7-200；Win9x；自由口模式；串口
the Implement of Communication between PLC and PC Abstract：The PLC of SIEMENS SIMATIC S7-200 series is suit for small and middle controlling systems. It is widely used in many areas. It fulfills complicated controlling tasks whether individually or in networks. It’s powerful communication ability makes itself distinguished in PLC products. The article takes a flying shear system for example, introduces the communication method of S7-200, mainly discusses the parameters, protocols and programming in Freeport mode.
Key words: PLC;S7-200; Win9x;Free-Port;Serial Port
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