(0x2B) Read Device Identification 38 7 MODBUS Exception Responses 43 / 1/45 8May02 1 Introduction 1.1 Scope of this document MODBUS is an application layer messaging protocol, positioned at level 7 of the OSI model, that provides client/server communication between devices connected on different...
内容提示: Modbus-IDAJune 4, 2004http://www.Modbus-IDA.org1 /51MODBUS APPLICATION PROTOCOL SPECIFICATIONV1.1aCONTENTS1Introduction ... 21 .1Scope of this document ...
Modbus IDA. (www. modbus. org/specs. php) . 2004Modbus-IDA.Modbus Application Protocol Specification v1.1a.HTTP://www.Modbus-IDA.org. 2004ModBus-IDA.Org.ModBus Application Protocol Specifica-tion V1.1a.. 2004Modbus IDA (2004) Modbus application protocol specification v1.1a. North Grafton, ...