Rockwell Automation 25-COMM-D PowerFlex 525 DeviceNet Adapter - Manual (Page 63)

Rockwell Automation Publication 520COM-UM002A-EN-E - April 2013 63
Using Explicit Messaging Chapter 6
CompactLogix Example Ladder Logic Program to Read Multiple
Parameters
A Scattered Read message is used to read the values of multiple parameters. This
read message example reads the values of these five 16-bit parameters in a
PowerFlex 525 drive:
•
Host parameter b001[Output Freq]
•
Host parameter b003 [Output Current]
•
Host parameter b004 [Output Voltage]
•
Host parameter b005 [DC Bus Voltage]
•
Host parameter b017 [Output Power]
See DPI Parameter Object on page 117 (Class code 0x93) for parameter
numbering.
Example Controller Tags to Read Multiple Parameters
Example Ladder Logic to Read Multiple Parameters
CompactLogix – Formatting a Message to Read Multiple Parameters
Scattered Read Message Configuration Screens
Operation Controller Tags for Scattered Read Message Data Types
XIC Execute_Scattered_Read_Message BOOL
MSG Scattered_Read_Message MESSAGE
Execute_Scattered_Read_Message
Message
Message Control
Scattered_Read_Message
MSG
EN
DN
ER