Ecdis Power Supply Requirements

A second compliant ecdis which must be independent of the main ecdis and connected to the ships main and emergency power supply refer solas regulation chapter ii i.

Ecdis power supply requirements.

For australian flagged ships you have two options to meet the back up requirements for ecdis. An uninterruptible power supply ups provides backup in the event of power failure to ensure the ecdis can keep running smoothly. Vi connection cables to gyro compass speed log and gps receiver shall be separated from. An ecdis system using encs with an independent power supply an appropriate folio of corrected up to date paper charts for the present voyage a raster chart display system rcds also known as an electronic chart system ecs using raster navigational charts rncs with an independent power supply.

Are acceptable as the requirements vary. Ultimately the purpose of the guideline is to ensure that an in. Connection cables for the main ecdis. It must also be connected to systems providing continuous position fixing.

Requirements set out in resolution msc 191 79 ecdis equipment should meet the requirements of these standards and follow the relevant guidelines on ergonomic. Ecdis regulations solas regulations. This method of enc supply is known as. Power supply it should be possible to operate ecdis and all equipment necessary for its normal functioning when supplied by an emergency source of electrical power in accordance with the appropriate requirements of chapter ii 1 of the 1974 solas convention.

Power supply of the main ecdis. V electrical power supply of the back up ecdis should be separated from electrical. And vii connection cable for interface between main ecdis and back up ecdis shall be. Confirm that the ecdis has adequate power supply arrangements in place as defined by imo and flag state requirements.

5 4 when an ecdis is switched on following a switch off or power failure it should return. The systems that may be acceptable could be a second ecdis unit using encs maintained by an independent power supply a chart radar a second ecdis unit using raster navigational charts rncs which are digital copies of paper charts maintained by an independent power. Change over from one source of power supply to another including any interruptions in electrical supply should not require the equipment to be manually reinitialised for a period of 45 seconds. The ecdis should be able to operate in a normal capacity even when it is connected and supplied by an emergency source of electrical power.