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ProSoft Technology MVI69-DNP User Manual

Page 88

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MVI69-DNP ♦ CompactLogix or MicroLogix Platform

Reference

DNP 3.0 Master/Slave Communication Module

Page 88 of 129

ProSoft Technology, Inc.

November 3, 2008

Review the Installing and Configuring the Module section for a complete list of
parameters that must be defined for a slave port. The response messages from
the slave driver include an IIN (internal indication word) defined in the Reference
chapter - Internal Indication Word.

The slave driver supports Object 110 (octet string data). Four points are pre-
assigned values as shown in the following table.

OCTET STRING POINT LIST

Point #

Description

0

Module Name as assigned in configuration file.

1 Product

Name

2

Version Information in format:
wwww xxxx yyyy zzzz
Where wwww is product code, xxxx is the revision, yyyy is the operating
system number and zzzz is the run number.

3

Manufacturer name for module.

Master Driver Mode

In the Master mode, the MVI69-DNP module is responsible for issuing read or
write commands to slave devices on the DNP network. These commands are
user-configured in the module via the Master Command List received from the
processor or issued directly from the processor (command control). Command
status is returned to the processor for each individual command in the command
list status block. The following flow chart and associated table describe the flow
of data into and out of the module.