ProSoft Technology MVI56-PDPMV1 - Manual (Page 147)

MVI56-PDPMV1 ♦ ControlLogix Platform Mailbox Messaging
PROFIBUS DPV1 Master User Manual
ProSoft Technology, Inc. Page 147 of 255
March 22, 2011
The important section relevant to the Mailbox Messaging discussion is the
Incoming Mailbox Data section (Byte Offsets 79 to 222). Within this section of
data, the following structure exists:
Mailbox Message Structure: From MVI56 module
Word Offset Type Description
79 Message ID Message ID value will match value used to generate the
outgoing mailbox message
80 Message Info See individual commands for data values to be entered in
each of these register locations
81 Command
82 Data Size
83 Frame Count
84 Frame Number
85 Offset high
86 Offset Low
87 Extended Word 1
88 Extended Word 2
89 Extended Word 3
90 Extended Word 4
91 Extended Word 5
92 Extended Word 6
93 Extended Word 7
94 Extended Word 8
- See individual
commands
222