ProSoft Technology 5204SE-MNET-PDPMV1 User Manual
Page 198

5204SE-MNET-PDPMV1 ♦ ProLinx Gateway
Reference
Modbus TCP/IP to PROFIBUS DP-V1 Pass-Through Master
User Manual
Page 198 of 235
ProSoft Technology, Inc.
December 22, 2009
4.6.3 Get (Extended) Slave Diagnostics Message Structure
Parameter Description
Command Initiator
Application
Command Name
FB_APPL_GET_SLAVE_DIAG
Command Number
0004h
Fragmented No
Extended Header Data
Fault information may be returned in the header of the response.
Command and Response Layout: Get Slave Diagnostics
Command
Response
Message ID
(ID)
(ID)
Acyclic Message Status
Word
4002h
0002h
Command
0004h
0004h
Get Slave Diagnostics
Data size
0000h
(Size of data)
Frame count
0001h
0001h
Frame number
0001h
0001h
Offset high
0000h
0000h
Offset low
0000h
0000h
Extended word 1
Slave
Address
Type of
Request
Slave
Address
Type of
Request
Extended word 2
-
-
Extended word 3
-
-
Extended word 4
-
-
Extended word 5
-
Error Code 1 Error Code 2
Extended word 6
-
Error Code 3 Error Code 4
Extended word 7
-
Return Code
Extended word 8
-
Fault Information
Station
Status 1
Station
Status 2
Response data word 1
Station
Status 3
Master
Address
Response data word 2
Ident Number
Response data word 3
Extended Diagnostic Data Response data word 4
...
...
Response data word n
Acyclic Message Status Word
Refer to Acyclic Message Status Word (page 218).
Slave Address
Range 0 to 125, specifies the slave from which to read diagnostics.