ProSoft Technology InRax MVI71-DNPSNET, User Manual

Page: 47 / 100

Reference MVI71-DNPSNET ♦ PLC Platform
Distributed Network Protocol Interface Module
ProSoft Technology, Inc. Page 47 of 100
September 22, 2008
5 Reference
In This Chapter
™ Product Specifications ........................................................................... 47
™ Functional Overview.............................................................................. 49
™ Cable Connections ................................................................................ 62
™ MVI71-DNPSNET Configuration Forms ................................................ 65
™ MVI71-DNPSNET Status Data .............................................................. 69
™ MVI71-DNPSNET Module Internal Indication Bits (IIN Bits) for DNP Server
.............................................................................................................. 70
™ Device Profile ........................................................................................ 72
™ DNP Subset Definition...........................................................................73
™
MVI71-DNPSNET Application Design ................................................... 76
™ Event Size Computation ........................................................................ 88
5.1 Product Specifications
The MVI71 DNP 3.0 Server over Ethernet Communications Module supports the
implementation of the DNP 3.0 (Distributed Network Protocol) over Ethernet,
allowing PLC processors to easily communicate with host systems supporting the
protocol. The module supports DNP Subset Level 2 features and some Level 3
features.
5.1.1 Features and Benefits
The MVI71-DNPSNET (Distributed Network Protocol Module over Ethernet)
allows PLC processors to easily communicate with other DNP protocol-
compatible devices.
The module supports DNP subset level 2 features and some Level 3 features.
The MVI71-DNPSNET module acts as an input/output module between the DNP
Ethernet network and the Rockwell Automation backplane. The data transfer
from the PLC processor is asynchronous from the actions on the DNP network.
Databases are defined in the module to house the data required by the protocol.
5.1.2 General Specifications
ƒ Single Slot - 1771 backplane compatible
ƒ The module is recognized as an Input/Output module and has access to
processor memory for data transfer between processor and module
ƒ Ladder Logic is used for data transfer between module and processor.
Sample ladder file included.
ƒ Configuration data obtained from configuration text file downloaded to
module. Sample configuration file included.