Yokogawa HR

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Product Overview

The Yokogawa HR driver works in conjunction with KEPServerEX to exchange data between OPC clients and Yokogawa HR 2400 Data Acquisition systems using RS-232 or RS-422 serial communications. This driver has been optimized for serial communications with HR2400 data sets. Modem operation is fully supported. KEPServerEX automatically optimizes data acquisition based on client demand and ensures data integrity through extensive error handling.



  • Supports Automatic Tag Database Generation
  • Supports all system and configuration parameters
  • Supports stations 1 to 16 in RS-422 mode and 1-31 in RS-485 mode
  • Supports Ethernet Encapsulation
  • Modem Support
    • Automatic dial configuration
    • Multiple phone number management


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

Supported Devices

  • HR2400(10 Channels)
  • HR2400(20 Channels)
  • HR2400(30 Channels)

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


  • Removed tag duplication during automatic tag generation.
  • Supports Yokogawa Data Acquisition and Data Recorder devices that support RS-232 or RS-422 communications.
  • This driver makes use of binary data formatting when reading information from Yokogawa devices. This requires a data bit setting of 8.
  • Software handshaking is not available.