Specification and Implementation Guide for MODBUS over ...
Specification of a class is the sum of requirements that a device must respect in order to belong to that class. Figure 1: General overview of MODBUS documents MODBUS Application Protocol Specification The MODBUS application protocol ( OSI Level 7) MODBUS over Serial Line Specification & Implementation Guide Serial Line specification
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Modicon Modbus Protocol Reference Guide
modbus.orgDOK-3Modicon Modbus Protocol Reference Guide PI–MBUS–300 Rev. J June 1996 MODICON, Inc., Industrial Automation Systems One High Street North Andover, Massachusetts 01845
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