ProSoft Technology MVI56-PDPMV1 - Manual (Page 154)

Mailbox Messaging MVI56-PDPMV1 ♦ ControlLogix Platform
User Manual PROFIBUS DPV1 Master
Page 154 of 255 ProSoft Technology, Inc.
March 22, 2011
Message Information
Refer to Message Information (page 173).
Slave Address
Range 1 to 125; specifies the slave from which to read diagnostics.
Type of request
00h: Internal slave diagnostic request. Returns the diagnostic information stored
in the Master. Can only be requested for slaves configured by the Master.
Note: Not allowed when operating in "Class 2-Only" mode.
01h: External slave diagnostic request. Sends a diagnostic request on the
network to the specified slave. Can be requested for all slaves on the network.
Error code [1 ...4]
If "Return Code" equals 8030h ("Negative indication from lower layer"), status
values according to the DP-specification may be available in "Error Code 1".
Error Codes 2 to 4 are reserved.
Refer to Mailbox Messaging Error Codes (page 173).
Return Code
Refer to Mailbox Messaging Error Codes (page 173)
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.
0100h: Address out of range.
0200h: Incorrect "Type of request"
0A00h: Failed to read diagnostic data from slave. Refer to Return Codes (page
174) for additional fault information.
0B00h: Remote station failure. Refer to Return Codes (page 174) for additional
fault information.
FE00h: Command not possible; module operates as a Class 2 Master only.
FF00h: Module offline (not initialized or no valid database).
Station Status [1 ... 3]
Refer to EN50170 Vol. 2 for more information.
Master Address
Address of the Master that parameterized the slave.