Reference MVI69-PDPMV1
♦
CompactLogix or MicroLogix Platform
User Manual
PROFIBUS DPV1 Master
Page 180 of 225
ProSoft Technology, Inc.
July 8, 2011
60 Words Block Format for Mailbox Out Message Request (Output Image)
Word Offset
Start End Name
Description
0
0
Block ID
Block number 100
1 60 Mailbox
Message
Mailbox output message for module (first 60 words of
mailbox message)
Word Offset
Start End Name
Description
0
0
Block ID
Block number 101
1 60 Mailbox
Message
Mailbox output message for module (second 60
words of mailbox message)
Word Offset
Start End Name
Description
0
0
Block ID
Block number 102
1 24 Mailbox
Message
Mailbox output message for module (last 24 words of
mailbox message)
25
60
Reserved
Reserved for future use
After the module receives the mailbox request, it immediately sends a input block
with the same
Block ID
as confirmation that the mailbox request block was
received.
60 Words Block Format for Mailbox Out Message Response (Input Image)
Word Offset
Start End Name
Description
0 0 Block
ID
Block number 100 to 102 (Same as original
requesting block IDs.)
1 1 Output
Index
Index of Output image to receive (1 to 16 for data, 0
or -1 if no data)
2
2
Mailbox Status
Status of out mailbox request
3
61
Reserved
Reserved for future use
