ProSoft Technology MVI69-PDPMV1 - Manual (Page 178)

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