User manual

Using I/O Messaging 5-5
Figure 5.3 Example ControlLogix Ladder Logic Program
ControlLogix example program with a PowerFlex 40 at node address 1.
This rung enables the scanner (changes the scanner to RUN mode).
0
Local:3:O.CommandRegister.Run
ControlLogix example program with a PowerFlex 40 at node address 1.
This rung enables the scanner (changes the scanner to RUN mode).
This section retrieves the Logic Status and Feedback data from the sc , and moves it to
specifc tags for use elsewhere in the ladder program.
1
Copy File
Source Local:3:I.Data[0]
Dest DriveInputImage[0]
Length 2
COP
This section retrieves the Logic Status k data from the scanner, and moves it
2
DriveInputImage[0].0 DriveStatusReady
3
DriveInputImage[0].1 DriveStatusActive
4
DriveInputImage[0].3 DriveStatusForward
5
DriveInputImage[0].7 DriveStatusFaulted
6
DriveInputImage[0].8 DriveStatusAtReference
7
Copy File
Source DriveInputImage[1]
Dest DriveFeedback
Length 1
COP
This section takes the data from specific tags used elsewhere in the ladder program (Logic
8
DriveCommandStop DriveOutputImage[0].0
This section takes the data from specific tags used elsewhere in the ladder program (Logic
9
DriveCommandStart DriveOutputImage[0].1
10
DriveCommandJog DriveOutputImage[0].2
11
DriveCommandClearFaults DriveOutputImage[0].3
Command bits and Reference) and writes them to the scanner for output over the network.