22
Stand-alone connections
CAUTION
Ensure that the power supply for each stand-alone ST40
instrument is protected by a 3 A fuse or circuit breaker.
Red +ve
Uninsulated wire (screen) -ve
Power cable
Connections to a stand-alone instrument
ST40 Bidata Instrument Owner's Handbook
Note:
3 A circuit breaker
A 3 A fuse can be used in place of
the circuit breaker, if preferred.
12 V dc supply
Screen
Blue
Black
Red
Green
Screen
White
Brown
_
+
(e.g. battery)
Cable from
Depth transducer
Cable from
Speed transducer
D4791-2