
Contents MVI56E-DNPNET ♦ ControlLogix Platform
User Manual DNPNET Ethernet Client/Server Communication Module
Page 92 of 140 ProSoft Technology, Inc.
February 13, 2015
When the backplane task in the modules recognizes data in this queue, it will form 9903
blocks to transfer the data to the processor. Ladder logic extracts the event data from the
9903 block and places it in controller tags.
This is the next block requested by the module.
This field contains the number of events present in the block.
Values of 1 to 15 are valid.
1 if module's 1000 count event buffer was full when this block
was packed
Number of events still queued in module.
This field contains the block identification code of 9903 for the
block.
Up to 15 events are passed to the processor in each block. The format of each event
message in the block is shown in the following table.
This field contains the module's device index for the IED the
message was received from (0 to 39).
This field contains the IED database index for the point. If set
to -1, then not in database.
This field contains the DNPNET database index for the point. If
set to -1, then not in database.
This field contains the remote server address for the IED unit
from which the message was received.
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