Rockwell Automation RECOMM-PBUS PROFIBUS Communications Module - Manual (Page 4)

II PROFIBUS Communications Module
Chapter 6 Using I/O Messaging
6.1 About I/O Messaging ..................................................... 6-1
6.2 Understanding the I/O Image......................................... 6-1
6.3 Using Logic Command/Status ....................................... 6-4
6.4 Using Reference/Feedback ........................................... 6-4
6.5 Using Datalinks .............................................................. 6-4
6.5.1 Rules for Using Datalinks .................................... 6-4
6.5.2 32-Bit Parameters using 16-Bit Datalinks ............ 6-5
6.6 Sample SLC Ladder Logic Program .............................. 6-6
6.7 Sample SLC Ladder Logic - Main Program ............... 6-10
6.8 Sample SLC Ladder Logic - Station 1 Program........... 6-14
6.9 Sample SLC Ladder Logic - Station 2 Program........... 6-18
Chapter 7 Using Explicit Messaging (Parameter Protocol)
7.1 About Explicit Messaging............................................... 7-1
7.2 Running Explicit Messages............................................ 7-2
7.3 Parameter Protocol ........................................................ 7-3
7.3.1 Parameter Message Request .............................. 7-4
7.3.2 Parameter Message Response ........................... 7-5
7.3.3 Parameter Protocol Examples ............................. 7-6
7.4 Sample SLC Ladder Logic- Station 1 Parameter
Protocol........................................................................ 7-12
7.5 Sample SLC Ladder - Station 2 Parameter Protocol ... 7-14
Chapter 8 Troubleshooting the PROFIBUS Module and Network
8.1 Understanding the Status Indicators.............................. 8-1
8.1.1 DRIVE Status Indicator........................................ 8-2
8.1.2 MS Status Indicator ............................................. 8-3
8.1.3 NET A Status Indicator ........................................ 8-4
8.2 Module Diagnostic Items................................................ 8-5
8.3 Viewing and Clearing Events ......................................... 8-7
Appendix A Technical Specifications ...................................................... A-1
Appendix B PROFIBUS Module Parameters........................................... B-1
Appendix C Logic Command/Status Words............................................. C-1
Glossary ..................................................................................Glossary-1
Index ....................................................................................... Index-1