1101/1201 Technical Manual
07/19/02 Page 3 1201 - JULY 19 '02
1. 1101/1201 General Specifications
The Specifications for the 1101/1201 Autopilot Systems define the basic capabilities and
operational limits of the equipment. These are as follows:
Operating Voltage: 10 VDC to 30 VDC
For use with 12 or 24 VDC Battery Systems
Operating Current: 250 mA nominal at 12VDC, tested in STANDBY
MODE. No external devices energized
Operating Temperature Range: 5° to 140° F (-15 to +60° C)
Heading Resolution: 0.25 Degrees
Heading Accuracy: ± 2.0 Degrees
Course Set Resolution: 1.0 Degrees
PORT/STBD Output Type: Open Collector, 3 Amps Max.
Speed Control Output: 2.50 VDC for No Movement
5.00 VDC for Maximum Speed to Port
0.0 VDC for Maximum Speed to Starboard
(10K ohm Source Impedance)
Navigation Input: NMEA 0183 (4800 BAUD):RMA, RMB, RMC, APB
APA, XTE, BOD, WBD, HSC, VBW, VHW, VTG
Navigation Outputs: NMEA 0183 (4800 BAUD):APHDG.
TTL level, Serial Clock and Data
Rudder Angle Indicator Output: 2.5 mA max
Size of Control Head
Width: 7 inches (178 mm)
Height: 3 5/8 inches (92 mm)
Depth: 1 3/8 inches (35 mm)
(1 ½ inches (76 mm) required behind unit for cabling)
Weight of Control Head: 1 lbs (450 gm)
Size of Signal Processing Unit
Width: 8.25 inches ( 210 mm)
Height: 3.75 inches ( 95 mm)
Depth: 2.25 inches ( 57 mm)
(3 inches (76 mm) required behind unit for cabling)
Weight of Signal Processing Unit: 2.2 lbs (1 Kg)
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