Appendix A Modbus Communication
Table of Contents
A.1 Message Format in ASCII Mode .................................................................. A-2
A.2 Message Format in RTU Mode ..................................................................... A-5
A.3 Modbus Function Codes Supported ............................................................. A-7
A.4 Modbus Exception Response Code Supported ............................................ A-7
A.5 Introduction to Modbus Function Codes ..................................................... A-8
A.6 Table of Registers and Corresponding Modbus addresses ........................ A-15
A-1
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