ProSoft Technology inRax MVI69-PDPMV1 User Manual page 178

Reference
User Manual
Output Mailbox
The Output Mailbox blocks request a mailbox messages be sent by the module
to slaves on the PROFIBUS network.
240 Words Block Format for Mailbox Out Message Request (Output Image)
Word Offset
Start End
0 0
1 144
145 240
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.
240 Words Block Format for Mailbox Out Message Response (Input Image)
Word Offset
Start End
0 0
1 1
2 2
3 241
Page 178 of 225
Name Description
Block ID Block number 100 to 109
Mailbox Message Mailbox output message for module
Reserved Reserved for future use
Name Description
Block ID Block number 100 to 109 (Same as original
requesting block ID.)
Output Index Index of Output image to receive (1 to 4 for data, 0 or
-1 if no data)
Mailbox Status Status of out mailbox request
Reserved Reserved for future use
MVI69-PDPMV1 ♦ CompactLogix or MicroLogix Platform
PROFIBUS DPV1 Master
ProSoft Technology, Inc.
July 8, 2011