ProSoft Technology ProTalk PTQ-PDPMV1 User Manual page 169

PTQ-PDPMV1 ♦ Quantum Platform
PROFIBUS DP Master Network Interface Module for Quantum
Command and Response Layout: Acyclic Write
Message ID
Message information
Command
Data size
Frame count
Frame number
Offset high
Offset low
Extended word 1
Extended word 2
Extended word 3
Extended word 4
Extended word 5
Extended word 6
Extended word 7
Extended word 8
Message Data byte 1
Message Data byte 2
Message Data byte 3
Message Data byte n
Message Information
Refer to Message Information (page 180).
Slave Address
Station address of the slave responder.
Slot Number and Slot Index
Used in the slave to address the desired data block.
Length
This parameter specifies the number of bytes that have to be written. If the
destination data block size is less than requested, the response will contain an
error message. If the data block length is greater than or equal to the requested
length, the response contains the number of bytes that have been written. The
slave may answer with an error response if data access is not allowed.
ProSoft Technology, Inc.
August 12, 2014
Command
(ID)
0240h
2100h
(Size of data)
0100h
0100h
0000h
0000h
Slot Slave Addr.
Length Index
-
-
-
-
-
-
Data 1
Data 2
Data 3
... ...
Data n
Response
(ID)
0200h
2100h Acyclic Write
(Size of data) Number of data bytes (n)
0100h
0100h
0000h
0000h
Slot Slave Addr.
Length Index
-
-
Error
Decode-
Error Code 2 Error Code 1
Extended Fault information
Fault Information
Data 1
Data 2
Data 3
...
Data n
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