Mailbox Messaging
MVI46-PDPMV1 ♦ SLC Platform
User Manual
PROFIBUS DPV1 Master
Page 80 of 160
ProSoft Technology, Inc.
March 25, 2011
Command and Response Layout: Acyclic Write
Command
Response
Message ID
(ID)
(ID)
Acyclic Message Status
Word
4002h
0002h
Command
0021h
0021h
Acyclic Write
Data size
(Size of data)
(Size of data)
Number of data bytes (n)
Frame count
0001h
0001h
Frame number
0001h
0001h
Offset high
0000h
0000h
Offset low
0000h
0000h
Extended word 1 Slave Addr. Slot Number
Slave Addr. Slot Number
Extended word 2
Index
Length
Index
Length
Extended word 3
-
-
Extended word 4
-
-
Extended word 5
-
Error
Decode-
Extended word 6
-
Error Code 1 Error Code 2
Extended word 7
-
Extended Fault information
Extended word 8
-
Fault Information
Message Data byte 1
Data 1
Data 1
Message Data byte 2
Data 2
Data 2
Message Data byte 3
Data 3
Data 3
...
...
...
Message Data byte n
Data n
Data n
Acyclic Message Status Word
Refer to Acyclic Message Status Word (page 90).
Slave Address
Station address of the slave responder.
