MODBUS RTU 中文使用说明书.pdf

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1、SIPOS5Flash使用说明书电动执行机构的ModbusRTU接口2007年2月版版权所有！订购号：E20185-P920-B706-X-5D00©SIPOSAktorikGmbH2007内容页码1安全须知······················································································································31.1和安全有关的术语························

2、·····························································································32SIPOS5Flash电动执行机构的Modbus总线接口······················································32.1概述···········································································

3、·······························································32.2Modbus总线接口······················································································································42.3ModbusRTU–基本功能·············································

4、·····························································42.3.1报文结构·······················································································································································42.3.2Modbus串行通讯的消息帧················

5、···········································································································52.3.3三种PDU类型–通讯过程·····························································································································52.3.4数据

6、模型·······················································································································································62.3.5功能码–支持的服务··························································································

7、··········································63技术数据及功能···········································································································73.1带ModbusRTU总线接口的SIPOS5Flash电动执行机构··························································73.2带M

8、odbus总线接口的SIPOS5Flash电动执行机构–基本功能···············································83.3带Modbus总线接口的SIPOS5Flash电动执行机构–附加的功能··········································103.4电气连接（铜缆或光纤）··················