Allen-Bradley PowerFlex 20-COMM-D, User Manual

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5-6 Using I/O Messaging
These example ladder logic programs ( Figure 5.4 – Figure 5.7 ) work
with PowerFlex 70 or PowerFlex 700 drives.
Functions of the Example Programs
The example programs use an operator station wired to an I/O module in
Slot 0, Module Group 0, Rack 0. The operator can perform the following
actions:
•
Obtain status information from the drive.
•
Use the Logic Command to control the drive (for example, start,
stop).
•
Send a Reference to the drive.
Adapter Settings for the Example Programs
•
Node address 1 is set using the switches.
•
Logic Command/Reference and Datalink A are enabled in
Parameter 13 - [DN I/O Config] .
•
Master-Slave Hierarchy is set using Parameters 25 - [M-S Input]
and 26 - [M-S Output] .
•
Polled I/O was enabled during the scanner configuration.
Scanner Settings for the Example Programs
•
The scanner is node 0 on the DeviceNet network.
•
The scanner is in slot 1.
•
The adapter I/O is mapped in word 0 and word 1.
•
Data files, when used, are pointed out in the examples.
Logic Command/Status Words
These examples use the Logic Command word and Logic Status word
for PowerFlex 70 and PowerFlex 700 drives. Refer to
Appendix D ,
Logic Command/Status Words to view these. The definition of the bits in
these words may vary if you are using a different DPI product. Refer to
the documentation for your drive.
Example Ladder Logic Programs