cNODE Midi


Typical applications utilising the Midi transponder as a DP reference solution and for subsea construction operations.

Modular and versatile design

The cNODE Maxi design is very modular and covers a large range of applications with its variety of different transducers, internal and external sensors, housing materials and other add-on functions. New configurations and software can easliy be downloaded from the Transponder Test and Configuration unit (TTC30) without opening the transponder.T he floating collar and release design make the launch/recovery operation safe and easy. Spare parts for cNODE are based on the main modules.

Key features

  • Operates together with HiPAP, HPR and cPAP transceivers
  • Compatible with both Cymbal acoustic protocol for positioning and data link, and HiPAP/HPR 400 channels and telemetry
  • SSBL positioning
  • LBL positioning
  • Range measurement between transponders (typical, 1 σ standard deviation) with range accuracy of 0.02 m and repeatability of 0.01 m
  • Internal tilt sensor ± 90° with accuracy of ± 2°
  • Pressure relief valve and vent screw (safety devices)

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