ProSoft Technology PTQ-PDPMV1 User Manual
Page 160

Mailbox Messaging
PTQ-PDPMV1 ♦ Quantum Platform
User Manual
PROFIBUS DP Master Network Interface Module for Quantum
Page 160 of 306
ProSoft Technology, Inc.
August 12, 2014
Message Information
Refer to Message Information (page 180).
Slave Address
Range 1 to 125; specifies the slave to read diagnostics from.
Type of request
00h: Internal slave diagnostic request. The diagnostic information stored in the
Master is returned. 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. A diagnostic request is sent 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 180).
Return Code
Refer to Mailbox Messaging Error Codes (page 180)
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
181) for additional fault information.
0B00h: Remote station failure. Refer to Return Codes (page 181) 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.