Rockwell Automation AADvance Controller Configuration Guide - Manual (Page 187)

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Document: 553633
ICSTT-RM405f-EN-P
Issue 07
9-1
This chapter describes the process to configure the AADvance controller for Modbus
master.
In This Chapter
Modbus Master .................................................................................................... 9-2
Modbus Standards .............................................................................................. 9-2
Modbus Master Hardware and Physical Connections ............................... 9-2
Modbus Master Command Set ........................................................................ 9-4
Modbus Data Types and Addressing .............................................................. 9-4
Modbus Message Scheduling ............................................................................ 9-5
Modbus Statistics ................................................................................................ 9-7
Modbus Service Parameters ............................................................................. 9-8
Diagnosing Modbus Communications and Slave Devices ......................... 9-8
Modbus Exception Responses ......................................................................... 9-9
AADvance Objects for Modbus Master ........................................................ 9-9
Modbus Master Capacities ............................................................................... 9-9
Planning for Modbus Master .......................................................................... 9-10
Physical Connections for Modbus RTU ...................................................... 9-10
Configure the Serial Ports for Modbus Master ......................................... 9-15
Physical Connections for Modbus TCP ....................................................... 9-16
Setting up the Project for Modbus Master Operation............................. 9-16
Create a Modbus Master Object .................................................................. 9-18
Controlling a Modbus Master Object .......................................................... 9-25
Configure Statistics for a Modbus Master Object .................................... 9-32
Create Links to Modbus Slaves ..................................................................... 9-33
Modbus Slave Commands ............................................................................... 9-39
Modbus Slave Link Control and Status Registers ..................................... 9-41
Add Messages for a Modbus Slave ................................................................ 9-43
Configure Statistics for a Modbus Slave Link ............................................. 9-46
Remove a Slave Link......................................................................................... 9-47
Remove all Slave Links ..................................................................................... 9-48
Remove a Modbus Master Object ................................................................ 9-48
Chapter 9
Configuring Modbus Master