Rockwell-automation 25-COMM-E2P PowerFlex 25-COMM-E2P Dual-Port EtherN Manual de usuario Pagina 81

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Rockwell Automation Publication 520COM-UM003A-EN-E - June 2013 81
Using Explicit Messaging Chapter 6
Example Ladder Logic Program to Read Multiple Parameters
A Scattered Read message is used to read the values of multiple parameters. This
CompactLogix controller 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 145 (Class code 0x93) for parameter
numbering.
Example Controller Tags to Read Multiple Parameters
Example Ladder Logic to Read Multiple Parameters
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
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