beautypg.com

Rockwell Automation 25-COMM-E2P PowerFlex 25-COMM-E2P Dual-Port EtherNet/IP Adapter User Manual

Page 78

background image

78

Rockwell Automation Publication 520COM-UM003A-EN-E - June 2013

Chapter 6

Using Explicit Messaging

Explanation of Request and Response Data for Read/Write Multiple
Messaging

The data structures in

Data Structures for Scattered Read Messages on page 79

and

Data Structures for Scattered Write Messages on page 80

use 16-bit words

and can accommodate up to 64 parameters in a single message. In the Response
Message, a parameter number with Bit 15 set indicates that the associated
parameter value field contains an error code (parameter number in response data
will be negative).

The PowerFlex 525 Adjustable Frequency AC Drive User Manual, publication

520-UM001

lists the data type for each parameter.