Raymarine AUTOHELM ST50 PLUS DEPTH User Manual

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ST50 Plus Depth Operation and ImtaUation Handbook
Chapter I: Control Head Installation
1.3 Power Supply (stand-alone operation)
.I
1. Connect the 2m (6ft.l power supply cable directly to the distribution
W.
2. Cut the cable to length and connect the red wire to the +12V terminal
and screen to the OV terminal.
3. Cut back and insulate the yellow wire.
4. Protectthe circuiiwith a SAcircuiibreaker.
Longer runs to the power supply can be made using the 9m (3OftI SeaTalk
Extension Cable D131).
1.4 Power Supply (SeaTalk operation)
All instmrnents in a SeaTalk system receive power and information from the
SeaTalk bus. Each instrument has two SeaTalk connectors (3 pin) on
15Omm (6in) tails. To supply power and information to the instrument simply
plug adjacent tails into the ST50 Plus Depth tails.
” :s.
To transducer
,:: ::.
1,. :
.l’.,
SeaTalk tails SeaTalk tails D,,,.
1.5 Connection of Separated lnsttuments
Separated instruments can be connected using one of the range of SeaTalk
Extension Cables. These cables are supplied with a SeaTalk connecMitted
to each end. Ajunction boxcan be used tojointhecableifitis cutforeasier
routing or shortening.
If preferred, any 2 core, screened cable conforming the following specifiMion
may be used instead of the SeaTalk cable.
 22 AWG, 2 core screened cable with a minimum copper area of 0.5mmz.
Junction
box
rYeUowl
Screen J L Red J

Raymarine AUTOHELM ST50 PLUS DEPTH Specifications

Power

power supply	10 to 16 V
power consumption	100 mA
illumination levels	3 levels plus off

Operating Environment

temperature range	0 to 70 °C
shallow alarm	10 to 400 feet (3 to 120 metres)
deep alarm	0 to 600 feet (0 to 180 metres)

Weight and Dimensions

dimensions	110x110 mm (4.33x4.33 in)
depth	0 to 600 feet (0 to 180 metres)
minimum depth	3 to 33 feet (1 to 10 metres)