WITS Level 0 Active

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Product Overview

The WITS Level 0 Active driver for KEPServerEX is used for the transfer wellsite data from one computer system (such as a Measurement While Drilling [MRD] device) to HMI, SCADA, and OPC client applications. Exploration and production service and operating companies are able to monitor real-time data like compass direction, borehole pressure, temperature, vibration, shock, torque, and more.



  • Ethernet Encapsulation
  • Support for up to 256 channels
  • Single device per channel (peer to peer)
  • Supports all pre-defined WITS Code Numbers
  • Supports undefined WITS Code Numbers
  • Supports the Short, Long, DWord, Float, and String data types
  • Supports WITS Code Number-based address syntax


  • WITS Level 0 Active (solicited)

Supported Devices

  • Anadrill
  • APS Technology SureShot
  • Baker Hughes
  • BlackStar Electromagnetic Tools
  • Canrig Rigwatch
  • Departure Energy Services MWD
  • Dynamic Drilling Systems
  • EPOCH Rigwatch
  • Erdos Miller
  • Extreme Engineering
  • Forerunner Technology Drilling Sensors
  • Geospect Instruments
  • GeoSteering RIGCOMMS
  • iBall Instruments Bloodhound
  • Mudlogging Systems MControl
  • NOV Amphion Rig Tool Controllers
  • NOV RigSense
  • Pason - EDR
  • Schlumberger MWD and PowerDrive RSS (via MAXWELL software)
  • TookeDAQ
  • Weatherford

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 new state to ensure that request timeout error messages are only logged once between the acquisition of data.



This new serial driver supports Wellsite Information Transfer Specification (WITS) Level 0, which is used primarily in Oil & Gas applications. It is an "active" driver that receives data from devices configured to send updates when solicited (polled) from the driver.

What Is a Driver?

KEPServerEX is more than an OPC server—it's a connectivity platform for industrial automation and IoT. Simply download KEPServerEX, and then select from Kepware's library of more than 150 device drivers, client drivers, and advanced plug-ins to fit the communication requirements unique to your industrial control system.

A driver is a software component that enables KEPServerEX to meet the connectivity requirements of a specific device, system, or other data source. The driver handles all proprietary communications to the data source for KEPServerEX; the client interfaces handle all supported OPC, proprietary, and open standards connectivity to applications that monitor or control the devices.

Drivers may be licensed individually or in suites. Additional drivers can be licensed on demand as connectivity needs evolve.