ProSoft Technology inRax MVI69-PDPMV1 User Manual page 179

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