Garmin GHP 20 Marine Autopilot System for Steer-by-Wire, Руководство по установке

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the helm control, and the green wire (Rx/B) from the helm
control must be connected to NMEA 0183 ground.
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À
NMEA 2000 network (provides power to the helm control)
Á
12 Vdc power source
Â
Helm control
Ã
NMEA 0183-compatible device
Wire Helm Control Wire Color —
Function
NMEA 0183-Compatible
Device Wire Function
Ê
N/A Power
Ë
Green — Rx/B (-) (connect to
NMEA 0183 ground) NMEA 0183 ground
Ì
Blue — Tx/A (+) Rx/A (+)
Í
White — Tx/B (-) Rx/B (-)
Î
Brown — Rx/A (+) Tx/A (+)
NOTE: When connecting a NMEA 0183 device with only one
transmitting (Tx) line, the NMEA 2000 bus and the NMEA 0183
device must be connected to a common ground.
Specifications
SmartPump
Specification Measurement
Dimensions (H×W×D) 7¾ × 7½ × 9
5
/
8
in. (197 x 190 x 244 mm)
Weight 16.5 lbs (7.5 kg)
Temperature range From 5°F to 131°F (from -15°C to 55°C)
Material • Electronics control unit (ECU): Fully
gasketed, aluminum alloy
• Bracket: Carbon steel
• Manifold: Aluminum alloy
• Motor: Aluminum alloy
Power cable length 9 ft. (2.7 m)
Input power 11.5–30 Vdc
Fuse 40 A, blade-type
Main power usage • Standby: Less than 1 A
• Engaged: 5–10 A
• Peak: 34 A
CCU
Specification Measurement
Dimensions (diameter) 3
19
/
32
in. (91.4 mm)
Weight 5.6 oz. (159 g)
Temperature range From 5°F to 140°F (from -15°C to 60°C)
Material Fully gasketed, high-impact plastic, waterproof
to IEC 60529 IPX7 standards
CCU cable length 16 ft. (5 m)
NMEA 2000 LEN 3 (150 mA)
Alarm
Specification Measurement
Dimensions (L×diameter)
29
/
32
× 1 in. (23 × 25 mm)
Weight 2.4 oz. (68 g)
Specification Measurement
Temperature range From 5°F to 140°F (from -15°C to 60°C)
Cable length 10 ft. (3.0 m)
Helm Control
Specification Measurement
Dimensions (H×W×D) 4
5
/
16
× 4
3
/
8
× 1
29
/
32
in. (109 × 111 × 48
mm)
Weight 9.6 oz. (272 g)
NMEA 2000 drop cable and
power cable 6 ft. (1.8 m)
Data cable 6½ ft. (2.0 m)
Temperature range From 5°F to 158°F (from -15°C to 70°C)
Compass-safe distance 9½ in. (241 mm)
Case material Fully gasketed, high-impact plastic,
waterproof to IEC 60529 IPX7 standards
Power usage 2.5 W max
NMEA 2000 input voltage 9–16 Vdc
NMEA 2000 LEN 6 (300 mA)
NMEA 2000 PGN Information
CCU
Type PGN Description
Transmit and receive 059392 ISO Acknowledgment
059904 ISO Request
060928 ISO Address Claim
126208 NMEA - Command/
Request/Acknowledge
Group Function
126464 Transmit/Receive
PGN List Group
Function
126996 Product Information
Transmit only 127245 Rudder Data
127250 Vessel Heading
Receive only 127245 Rudder Data
127258 Magnetic Variation
127488 Engine Parameters -
Rapid Update
128259 Water Speed
129025 Position - Rapid
Update
129026 COG & SOG - Rapid
Update
129283 Cross Track Error
129284 Navigation Data
130306 Wind Data
Helm Control
Type PGN Description
Transmit and
receive 059392 ISO Acknowledgment
059904 ISO Request
060928 ISO Address Claim
126208 NMEA - Command/Request/Acknowledge
Group Function
126464 Transmit/Receive PGN List Group Function
126996 Product Information
Transmit only 128259 Water Speed
129025 Position - Rapid Update
129026 COG & SOG - Rapid Update
129283 Cross Track Error
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