Skipper IR301 Specification sheet
Document no: DM-R002-SA Rev 2.8A
Version: 20100615 Sw 2.8
SKIPPER Electronics AS Telephone: +47 23 30 22 70
Enebakkveien 150 Telefax: +47 23 30 22 71
P. O. Box 151, Manglerud E-mail: support@skipper.no
0612 Oslo, Norway Co. reg. no: NO-965378847-MVA
www.skipper.no
IR301
Operation and Installation Manual
Digital Depth Repeater
Edition: 20100615 Sw 2.8 Page 2 of 9
IR301 Operation and Installation
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SKIPPER Electronics AS
Edition: 20100615 Sw 2.8 Page 3 of 9
IR301 Operation and Installation
Contents
1. OVERVIEW .....................................................................................................................................4
2. BUTTONS AND DISPLAY ............................................................................................................5
3. OPERATION ...................................................................................................................................5
4. NMEA INPUT .................................................................................................................................6
5. DIAGNOSTIC INFORMATION.....................................................................................................6
6. SERVICE .........................................................................................................................................6
7. ENVIRONMENTAL ACCORDING TO IEC60945 .......................................................................7
8. IR301 CONNECTIONS ..................................................................................................................8
9. IR30DIM ..........................................................................................................................................9
SKIPPER Electronics AS
Edition: 20100615 Sw 2.8 Page 4 of 9
IR301 Operation and Installation
1. Overview
The SKIPPER IR301 is a remote depth indicator for NMEA signals. It gives accurate digital depth indication
based on signals from the SKIPPER ED165, GDS101 or GDS102 echo sounder. SKIPPER IR301 can also
be used with echo sounders from other manufacturers, when these have an NMEA 0183 output. On the
SKIPPER IR301 the operator may indicate the position of the transducer, or select between transducers
(GDS102).
• SKIPPER IR301 is a digital depth repeater with independent alarm indication. The operator may select
to indicate depth alarm using the menus.
• SKIPPER IR301 will only indicate depth below transducer.
• Brightness is adjusted on the front panel, via NMEA or from the optional remote controller, IR30DIM.
IR301 Depth
Transducer mounting options:
Interfaces
Repeaters
115/230 V AC
24 V DC
IR30DIM
24 V DC
Sea Valve
SB
Sea Valve
DB
Aluminium
Tank
Tank
Ice protection
Tank
GDS101
Junction box
VDR
Bridge
systems
Conning
Display
Alarm Ext. Display
Radar Printer
Features
• Depth indication
• Alarms - depth alarm
• Shows position of transducer in use.
• Bracket or panel mounting.
SKIPPER Electronics AS
Edition: 20100615 Sw 2.8 Page 5 of 9
IR301 Operation and Installation
Depth indication
Up key Down keyTransducer position
(fore/aft) indicator.
S key
3. Operation
1. To switch on the unit, press any key, to switch off, press both up and down keys at the same time.
2. To adjust brightness of LEDs, press up/down arrows to nd a suitable setting.
3. To select indication depth alarm, press the S key once and enter alarm setting mode, “SetA “. Set the
desired depth by using the up and down keys. When desired alarm depth is set, the unit will go back to
normal mode operation after 15 sec or press S key until the depth occur. When depth below transducer
becomes same or less than the set alarm depth, the display will indicate “AL “ alternating with actual
depth. To disable the alarm, repeat operation no 3, and set alarm depth to 0 m.
4. To select readings in feet (ft) meters (M) or fathoms (F), press the S key twice and enter units setting
mode “SetU“. Select wanted readings by using the up or down key. When readings is set, the unit will
go back to normal mode operation after 15 sec or press S key until the depth appears.
5. To select transducer position, press the S key three times and enter the position setting mode, “SetP”.
Press up or down keys to select between the four choices:
• Unknown,
• Forward,
• Backward
• Auto.
Mode Transducer position LEDs
Unknown Both LEDs off
Forward Forward LED on
Backward Backward LED on
Auto Active transducer position slowly ashing
• The “Unknown” selection decodes NMEA depth message and show the depth on the display. The
position LEDs will then be off. The other selections decode the NMEA message $PSKPDPT.
• If “Forward” is selected, only the readings from the forward transducer is shown. The same applies
for the “Backward” selection.
• The Auto selection switches between Forward, Backward and Unknown depending on the NMEA
2. Buttons and display
SKIPPER Electronics AS
Edition: 20100615 Sw 2.8 Page 6 of 9
IR301 Operation and Installation
4. NMEA Input
Accepted messages (received and transmitted) (NMEA 0183), talker identier is not processed:
Name Description Example Comments
DPT Depth $--DPT,xxxx.x,xxxx.x,xxxx.x <CR><LF>
DBT Depth below
transducer
$--DBT ,xxxx.x,f,xxxx.x,M,xxx.x,F)
DDC Display Dimming
Control
$--DDC,a,xx,*hh<CR><LF> Brightness percentage has priority over display
dimming preset.
Note: Baud rate xed to 4800 baud.
6. Service
• All service requests should be made to the local SKIPPER representative.
• Adjustments and repairs should only be performed by qualied service engineers, and unqualied repair
attempts will void the warranty.
5. Diagnostic information
• If the IR301 does not receive any signal from the external source for more than 3 seconds, “Error”
(“Err”) message is indicated on the LEDs. This may happen, for example if an external talker is not
connected or connection polarity is not correct.
• If input messages do not contain sentences required for indication of selected data, “_” (underline
symbol) is indicated on the corresponding LEDs. As an example: if there is no DBT message available
on the input, IR301 will indicate “_______” instead of depth.
• If elds in the received message is empty (not valid data), dots are indicated on the corresponding LEDs.
As an example: if the depth eld is empty in the $PSKPDPT sentence, “...” will be indicated instead of
the depth value.
NOTE: IR301 will always only indicate depth below transducer. I.e. draught is not processed.
SKIPPER Proprietary sentence
$--PSKPDPT,x.x, , , , , ,c-c*hh<CR><LF>
Transducer location. FWD/AFT
Water depth relative to transducer, meters
messages available. The LEDs for the position will shift automatically and blink every third second
indicating that the Auto selection is active. If the transducer position is unknown, both LEDs will be
on and blinking.
Note: Repeaters can be remotely dimmed by:
• Using external buttons (IR30DIM) connected to the DIM UP, DIM DN and DIMKEY of each repeater.
• Pressing up down arrows on one repeater, when DIM lines are connected in parallel.
• Using the DDC (NMEA) command as described in section 4.
SKIPPER Electronics AS
Edition: 20100615 Sw 2.8 Page 7 of 9
IR301 Operation and Installation
7. Environmental according to IEC60945
Power supply DC: 10 - 32 V.
Power consumption 3 W.
Operating temperature -15 - 55 degrees C. To increase serviceability and life-time, we suggest the working temperature to be
held at 0 - 40 degrees C.
Storage temperature -20 - 70 degrees C.
Humidity 10 - 90 % relative, no condensation.
Display 7 segment. 20 x 11 mm digital readout.
Mounting dimensions 124 x 124 mm. Bracket or panel mounting.
Front plate 144 x 144 mm to DIN standard.
Depth 59 mm.
Weight cabinet 1 kg.
Resolution 0.1 kn
Outputs 1 x NMEA 0183. (Fixed to 4800 baud).
Inputs NMEA 0183. (Fixed to 4800 baud).
Remote dimmer input.
Protection IP 56.
Service Available in most major harbours, world-wide through extensive dealer network.
Note: The IR301 is classed IP 56 and may be mounted externally, but should be covered when not in use.
SKIPPER Electronics AS
Edition: 20100615 Sw 2.8 Page 8 of 9
IR301 Operation and Installation
8. IR301 Connections
SKIPPER Electronics AS
Edition: 20100615 Sw 2.8 Page 9 of 9
IR301 Operation and Installation
9. IR30DIM
SKIPPER Electronics AS
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