MVI56-PDPMV1 ♦ ControlLogix Platform Mailbox Messaging
PROFIBUS DPV1 Master User Manual
Page 159 of 251 ProSoft Technology, Inc.
Message Information
Refer to Acyclic Message Status Word (page 170).
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 of the data block to read. If the
server data block length is less than requested, the length of the response will be
the actual length of the data block. If the server data block is greater or equal, the
response will contain the same amount of data.
The slave may answer with an error response if data access is not allowed.
Data [1 … n]
Returned data.
Fault Information and Extended Fault Information
If "Invalid Other" is returned in the Message Information word in the header of the
response, information about the fault can be found here.
"Extended Fault Information" Contents
Failed to execute request
Refer to Return Codes (page 171).
Remote station DPV1 failure
Length out of range (>240 bytes)
Slave does not support DPV1
Slave not active or not present in
configuration
Module offline (not initialized or no
valid database)
Error Decode, Error Code 1 and Error Code 2
If "Fault Information" contains error code 1000h, more information according to
the DPV1 specification can be found here.
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