永宏PLC编程口通信协议.pdf

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1、永宏可程控器永宏PLC通讯协议永宏电机股份有限公司FATEKAUTOMATIONCORP.永宏PLC通讯协议目录1：主仆定位与通讯互动关系........................................................................................12：永宏PLC通讯讯息格式............................................................................................1

2、3：永宏PLC之通讯错误码............................................................................................24：通讯命令功能详述...........................................................................................................34.1组件类别及其指定方法...........................

3、.................................................34.2通讯命令说明............................................................................................4命令40：PLC概略状态读取.............................................................................6命令41：PLC之RUN/STOP控制.

4、....................................................................7命令42：单一个单点之运作控制......................................................................8命令43：连续多个单点之抑/致能状态读取......................................................9命令44：连续多个单点之状态读取..................

5、................................................10命令45：连续多个单点之状态写入..................................................................11命令46：连续多个缓存器之资料读取...............................................................12命令47：连续多个缓存器之资料写入...............................

6、................................13命令48：任意单点/缓存器混合之状态/资料读取..............................................14命令49：任意单点/缓存器混合之状态/资料写入..............................................15命令4E：测试回传...............................................................................

7、............16命令4F：程序存盘...........................................................................................17命令50：程序加载............................................................................................18命令53：PLC详细系统状态读取.............................

8、.........................................19永宏PLC通讯协定本通讯协议（Protocol）是永宏PLC主机上各通讯端口在标准通讯模式下均适用之通讯协议，任何对PLC之资料存取（自PLC内部读出或由外界写入PLC）或运作、控制等，除在硬件联机及通讯参数设定必需通