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US 2007/0173957 A1Published application
Subsea control system
AssigneeFMC Kongsberg Subsea AS
InventorsJohn Johansen, Vidar Sten-Halvorsen
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Abstract
The invention relates to a control system for a subsea installation based on CAN bus technology. A single cable forms a backbone for transmitting signals and/or power from a central control unit to a number of devices or sensors on the installation. Terminals are attached to the cable at intervals, allowing devices to be plugged in while the system is operable. A termination may also include repeaters or amplifiers for transmitting signals over longer distances.
Claims22
A control system for controlling a plurality of a subsea installation, the control system comprising:
- a control module,
- a common bus which is connected to the control module;
- and
- a plurality of devices which are each removably connectable to the common bus;
- wherein each device comprises a bus controller having a unique address;
- and
- wherein the control module comprises means for communicating with each device over the common bus.
4 more elements
(canceled)
Dependencies are inferred from the claim text.