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MIPEG Aanderaa The Mipeg X – Hook Position System – the RSI extension



Product Features

The RSI has been designed to give the crane operator information on hook position and movement. This is especially useful when the hook is not in his line of sight i.e. working sub-sea or "blind".

Anti-2-Block prevention is done by constantly monitoring the hook position. The system may give pre-warning when the hook approaches the limit, outputs may force the hoist to be set in "creep speed". The system uses absolute encoders not requiring any parts in the boom tip, eliminating dropped objects.

Rope "End"
Monitoring the hook position, a programmed "rope end" can be set to prevent the rope paying completely off the drum or to stop the pay-out at a programmed position

Hook/Rope Speed
Rope and/or Hook speed is monitored and pre-warning on speed may assist the operator to maintain control of the hoisting motion

Boat sector warning
If the crane is equipped with an Automatic Overload Protection System (AOPS), defining the Boat Sector is important to set crane control logic. The Hook Position will be monitored defining the Boat Sector as programmed, below the facility cellar deck.

The Mipeg X is expandable and may, by uploading new system software, adding sensors and logic modules, function as a system which:

  • Adds A2B kick-out using encoders, no additional equipment in the boom tip
  • Protects the maximum rope pay-out, monitoring "rope end/minimum 5 rev position"
  • Defines the Boat Sector, assisting the AOPS, to know when the hook is below the cellar deck
  • Gives a visual position of the hook
  • Monitors the actual rope/hook speed giving warnings on over-speed
  • Kicks out relays to interface to crane control logic