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Krug Modbus OPC Server

Developer's Description

The OPC server provides the OPC clients (any advanced SCADA systems, e.g., SCADA KRUG-2000) with an access to devices, supporting the MODBUS protocol. Key functions: Supported protocols: MODBUS RTU, MODBUS TCP, MODBUS ASCII. Supported MODBUS functions: 1,2,3,4,5,6,15,16. Supported communication channels: COM port, TCP connection. Opportunity to use an extended list of communication channel types (CSD, GPRS, etc.), using the Modem Communication Channel Module special software. Opportunity to poll tag groups of the device at varying intervals. Interaction with the OPC clients in accordance with the OPC DA specifications, version 2.05a. Service operation function (Windows OS Service). Group setting of tags. Configuration import/export in the CSV format (with a report file formatting). Ability to survey and view tag values without the OPC client connection. Ability to operate at a broadcast address. Ability to emulate tag values. OPC server operation logging.

Features: Automatic search for connected devices reduces the time required for arranging a hard-wired connection of devices to the computer as well as for configuring the OPC server. Configuration import/export into the CSV format (with the possibility of its further editing and processing in Excel) significantly accelerates the configuring process. Polling tag values of the device at varying intervals increases the speed of reading of critical parameters by reducing the frequency of reading of less important (or rarely changing) parameters. Surveying and viewing tag values without the OPC client connection allows the OPC server to be initially set (parameter register number setting, etc.) without application of any additional software as well as to diagnose potential problems in the automated system development by separating the SCADA level errors and the device survey errors. Tag value emulation provides the opportunity to debug projects in the upper level systems without any physical access to metering instruments, to emulate critical values for testing upset situations, and to easily create educational projects for different purposes.

Full Specifications

What's new in version 2.3

Version 2.3 may include unspecified updates, enhancements, or bug fixes.


Release September 30, 2016
Date Added September 12, 2016
Version 2.3

Operating Systems

Operating Systems Windows, Windows XP, Windows 7, Windows 8
Additional Requirements RS-232/RS-485 serial interface or interface converter


Total Downloads 111
Downloads Last Week 1
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