Product Description
DC-GM Marine Magnetic Compass Autopilot System
GENERAL DESCRIPTION
DC-GM Marine Magnetic Compass Autopilot System is a autopilot with reference to the output of a magnetic compass.
It is specially suitable for various kinds of ships under 8000GT. It has four functions: automatic steering, following-up steering, remote steering and manual steering.
APPLICATION AND CHARACTERISTICS
1.PID control
2.Excellent in operational stability
3.Double-gain amplfication
4.Without control dead-zone
5.Compensation for constant heading error
6.Adjustable automatic rudder limit
7.Alarm for off-course overload and poweroff etc.
MAIN TECHNICAL DATA
a. Power supply: 220V/380V AC 50Hz;
DC 24V (for emergency)
b. Consumption power: less than 200VA
c. Capacity of each turn (max.): ±140°
d. Average off-course in automatic:
steering mode <1° (on smooth sea)
e. Steering accuracy in follow-up steering:
mode and remote steering mode ±1° (rudder)
f. Adjustment range of parameters in automatic steering mode:
Yawing control 0~5°
Rudder control 1~3
Automatic rudder limit 5~35°
Counter rudder control 1~2
g. Stroke caliberation: more than 3° (rudder)
h. Mechanical rudder limit: ±35°
i. Automatic rudder trim:
Max. rudder trim more than 5° (rudder)
Time constant more than 80 sec.
j. Output control:
Hydraulic system with electromagnetic valve switchs 24V DC less than 2A
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