Class 1 acyclic write for host parameter 41 [accel, N in – Rockwell Automation 25-COMM-P PowerFlex PROFIBUS DPV1 Adapter User Manual

Page 53

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Rockwell Automation Publication 520COM-UM004A-EN-E - November 2013

53

Using Acyclic Messaging

Chapter 6

Class 1 Acyclic Write for Host Parameter 41 [Accel Time 1]

To manually trigger the message to be sent, enter a value of ‘1’ into the
MVI69PDPMV1.MailboxCommand.Class1AcyclicWrite tag.

The message response status indicates success when the data in the
MVI69PDPMV1.Mailbox.Class1AcyclicWrite.In.ErrorDecode tag is a value of
‘0x00’. Note that any non-zero value indicates an error has occurred.

Class 1 Acyclic Write response data can be viewed as shown in

Class 1 Acyclic

Write Response Data for Host Parameter 41 [Accel Time 1] on page 54

.

Change value of tag to “1” to send
Class 1 Acyclic Write Command.

Copy or insert values for
parameter write request:
- Parameter Slot Number
- Slave Node Address
- Length of Data (Bytes)
- Parameter Index
- Data bytes...
(Data bytes may be copied from
a “Local PLC Tag” with appropriate
data type specification)

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