PLC-5C Applications
5-13
Figure 5.4 Explicit Message Process
Event
1.
Format the required data and set up the ladder logic program to send
an Explicit Message request to the scanner module (download).
2.
The scanner module transmits the Explicit Message Request to the
slave device over the ControlNet network.
3.
The slave device transmits the Explicit Message Response back to
the master.
4.
The controller retrieves the Explicit Message Response. It may be
required to repeat steps 1-3, depending on the amount of data.
5.
The Explicit Message is complete.
Note
: The scanner module may be integrated with the controller (e.g.,
PLC-5C).
PWR
STS
PORT
MOD
NET A
NET B
➋
➍
➎
Retrieve Parameter
Message Response
Complete Parameter
Message
Set up and send
Parameter Message
➊
➌
20COMM-UM003A-EN-P.book Page 13 Wednesday, November 7, 2001 3:46 PM
Содержание PowerFlex 20-comm-c FRN 1. Series
Страница 6: ...iv Table of Contents Notes 20COMM UM003A EN P book Page iv Wednesday November 7 2001 3 46 PM...
Страница 18: ...1 8 Getting Started 20COMM UM003A EN P book Page 8 Wednesday November 7 2001 3 46 PM...
Страница 34: ...3 10 Configuring the Adapter Notes 20COMM UM003A EN P book Page 10 Wednesday November 7 2001 3 46 PM...
Страница 74: ...5 20 PLC 5C Applications Notes 20COMM UM003A EN P book Page 20 Wednesday November 7 2001 3 46 PM...
Страница 98: ...6 24 ControlLogix Applications Notes 20COMM UM003A EN P book Page 24 Wednesday November 7 2001 3 46 PM...
Страница 114: ...B 6 Adapter Parameters Notes 20COMM UM003A EN P book Page 6 Wednesday November 7 2001 3 46 PM...
Страница 144: ...C 30 ControlNet Objects Notes 20COMM UM003A EN P book Page 30 Wednesday November 7 2001 3 46 PM...
Страница 152: ...Glossary 6 Notes 20COMM UM003A EN P book Page 6 Wednesday November 7 2001 3 46 PM...
Страница 154: ...20COMM UM003A EN P book Page 2 Wednesday November 7 2001 3 46 PM...