System diagram
The system diagram identifies the main components of a basic SN90 system. Only the main connections between the units are shown. Detailed interface capabilities and power cables are not shown.
Image
A Display (The second display is optional.)
B Processor Unit
C Operating Panel
D Transceiver Unit
E Hull Unit (option)
F Hoisting motor
G Motor Control Unit
H Transducer
I Hydrophones (option)
J Cables to sensor receiver (option)
In this publication, the computer can also be referred to as the Processor Unit, and vice versa.
Unless otherwise specified in a contract, the display is not included in the standard delivery. This is a commercial item that can be purchased locally.
A hull unit may be provided as an option. It allows you to lower and hoist the transducer.
A special version of the transducer housing is available for use on a hull unit. Two trawl hydrophones are added for use with a catch monitoring system. Both hydrophones point aft.