Rockwell Automation 2711E PanelBuilder 1400e Modbus Communications - Manual (Page 19)

Chapter
2
Publication 2711E-6.12 – August 1997
Planning an Application for
Modbus
This chapter provides information about planning a Modbus
application, including defining nodes. For details about assigning
scan classes and assigning tags, refer to Chapter 2, “Planning
Applications,” in the PanelBuilder 1400e Configuration Software for
Windows User Manual, publication 2711E-819.
To plan a Modbus application, use the Modbus Communications
Worksheet and the Device Tags Worksheet (included in
Appendix A). They help you identify the devices with which your
application will be communicating and the device addresses relevant
to your application.
Use the information you record in these worksheets when assigning
tags to objects in the Tag Database editor and defining
communications using the Nodes editor and Scan Classes editor.
Record node and scan class information on the Modbus
Communications worksheet to help keep track of terminal
communication information. Use these worksheets as a reference
when configuring nodes in the Nodes editor, and when assigning
scan classes to tags in the Tag Database editor. See Chapter 4,
“Defining Communications,” for details about working with these
editors.
Defining Nodes and Scan
Classes