Rockwell Automation 1771ACN/B_1771ACNR/B,D17716.5.123 U.MNL CONTROLNET ADAPTER - Manual (Page 10)

Table of Contents ii
Publication 1771-6.5.123 – May 1996
Chapter 4
Chapter Objectives 4–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview of Adapter Operation 4–1 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Discrete I/O Data Transfer 4–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Discrete I/O Data Transfers 4–2 . . . . . . . . . . . . . . . . . . . . .
Nondiscrete I/O Data Transfers 4–3 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using ControlNet I/O (CIO) Instructions 4–3 . . . . . . . . . . . . . . . . .
Mapping Directly Into Processor Memory 4–4 . . . . . . . . . . . . . . . .
Example: Nondiscrete Input Module Communications 4–4 . . . . . . .
Example: Nondiscrete Output Module Communications 4–5 . . . . .
Configuring Nondiscrete I/O Data Transfers 4–6 . . . . . . . . . . . . . . . . . .
Chapter Summary 4–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 5
Chapter Objectives 5–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting With the Status Indicators and Status Display 5–1 . . . .
Health Indicators and Display Mnemonics 5–2 . . . . . . . . . . . . . . . . .
ControlNet Status Indicators 5–3 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter Summary 5–3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A
Specifications A–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix B
Overview of Example B–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example B–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Planning to Use Your
ControlNet Adapter Module
Troubleshooting
Specifications
A Practical Example of
ControlNet Concepts