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MVI69-PDPMV1
♦
CompactLogix or MicroLogix Platform
Reference
PROFIBUS DPV1 Master
User Manual
ProSoft Technology, Inc.
Page 179 of 225
July 8, 2011
120 Words Block Format for Mailbox Out Message Request (Output Image)
Word Offset
Start End Name
Description
0
0
Block ID
Block number 100
1 120
Mailbox
Message
Mailbox output message for module (first 120 words
of mailbox message)
Word Offset
Start End Name
Description
0
0
Block ID
Block number 101
1 24 Mailbox
Message
Mailbox output message for module (last 24 words of
mailbox message)
25
120
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.
120 Words Block Format for Mailbox Out Message Response (Input Image)
Word Offset
Start End Name
Description
0 0 Block
ID
Block number 100 or 101 (Same as original
requesting block IDs.)
1 1 Output
Index
Index of Output image to receive (1 to 8 for data, 0 or
-1 if no data)
2
2
Mailbox Status
Status of out mailbox request
3
121
Reserved
Reserved for future use