ProSoft Technology MVI69-DNP - Manual (Page 80)

MVI69-DNP ♦ CompactLogix or MicroLogix Platform Reference
DNP 3.0 Master/Slave Communication Module
Page 80 of 129 ProSoft Technology, Inc.
November 3, 2008
Word Offset in Block Data Field(s) Description
3 to 14 Event 1 Event message
15 to 26 Event 2 Event message
27 to 38 Event 3 Event message
39 to 50 Event 4 Event message
51 to 61 Spare Not used
The format of each 12-word data region in the block is as follows:
Word Offset Definitions Description
0 Device Index This field contains the module's device index for
the IED the message was received from (0 to
39).
1 IED Address This field contains the IED database index for the
point. If set to -1, then not in database.
2 DNP Address This field contains the DNP database index for
the point. If set to -1, then not in database.
3 Slave Address This field contains the remote slave address for
the IED unit from which the message was
received.
4 Point Number This field contains the point number in the
remote IED unit for the event message.
5 Object This field contains the object code for the point
and event.
6 Variation This field contains the variation code for the point
and event.
7 Low Time This field contains the least-significant word of
the 48-bit DNP time for the event.
8 to 9 High Time This field contains the most-significant double
word of the 48-bit time for the event.
10 to 11 Value This field contains the a double word value for
the point associated with the event message.
Block 9949 - Read Slave Communication Error Table
If the processor sends a block 9949, the module will respond with a slave
communication error listing. The following example shows the format of the
block:
Block Format for Write
Word Offset in Block Data Field(s) Description
0 Block ID This field contains the value of 9949 identifying
the block type to the module.
1 Number of slaves This field contains the number of slaves to report
in the response message. The value has a range
of 1 to 7.
2 Start Slave Index This parameter sets the index in the slave array
where to start. The first slave in the array has a
value of 0. The last index in the array has a value
of MaxSlaves -1.
3 to 61 Spare Not Used