Yokogawa GX Ethernet

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Product Overview

The Yokogawa GX Ethernet driver works in conjunction with KEPServerEX to exchange data between OPC clients and Yokogawa GX 100/200 Data Acquisition systems using TCP/IP. KEPServerEX automatically optimizes data acquisition based on client demand and ensures data integrity through extensive error handling.



  • Supports Automatic Tag Database Generation
  • Provides access to all system parameters


  • Yokogawa Data Acquisition Protocols

Supported Devices

  • Yokogawa GM
  • Yokogawa GP
  • Yokogawa GX

Available Languages

  • English

Application Support

  • DDE Format CF_Text and AdvancedDDE
  • NIO Interface for iFIX
  • OPC .NET Service (OPC .NET) Version 1.00
  • OPC Alarms and Events (OPC AE) Version 1.10
  • OPC Data Access (OPC DA) Versions 1.0a, 2.0, 2.05a, and 3.0
  • OPC Unified Architecture (OPC UA) Clients
  • SuiteLink and FastDDE for Wonderware

Release Notes



  • Fixed an issue where values were being reported as zero and not the correct value.



  • Introducing this driver to support communication with the Yokogawa SMARTDAC+ product family, including models:
    • Yokogawa GX
    • Yokogawa GP
    • Yokogawa GM
  • The driver supports reading tag values for process values, alarms, channel configuration from IO, math, and com channels (writing to devices is not supported in this release).