Yokogawa CX

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Product Overview

The Yokogawa CX driver works in conjunction with KEPServerEX to exchange data between OPC clients and Yokogawa CX 1000/2000 Control systems using TCP/IP. KEPServerEX ensures data integrity through extensive error handling.



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


  • Yokogawa Data Acquisition Protocols (CX, DX, DXP, MW, MP, HR, Darwin)

Supported Devices

  • CX1006
  • CX1206
  • CX2010
  • CX2020
  • CX2210
  • CX2220
  • CX2410
  • CX2420
  • CX2610
  • CX2620

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


  • Added a check for the "EA" characters while parsing the response to the AT, AV, CM, CR, FP, and HM commands.



Fixed an issue where unchecking the "Enable data collection" option while clients were connected could result in a deadlock.



  • Fixed issue where would inefficiently time out on the device if the device returned an error code, rather than processing the error and immediately moving on to the next request