Seiwa SW AP01 - Manual (Page 49)

Steering Drive
Output for 12V supply 10V at rated load
Output for 24V supply 22V at rated load
Max continuous current16 A 25 A
Max current for 15 sec. 20A
Max current for 1 sec. 40A
Mechanical drive steering motor Printed rotor with gearbox
and electromechanical clutch
Torque 12V unit: 120kg-cm at 30 rpm/5A.
24V unit: 150kg-cm at 40 rpm/7.5A.
Hydraulic drive systems See manufacturers' specs.
Recommended response times:
Hull length up to 11 m 8 sec. for -20 to +20 deg swing.
Hull length 11 to 13 m 10 sec. for -20 to +20 deg swing.
Hull length above 13 m 12 sec. for -20 to +20 deg swing.
NAVIGATION INTERFACE
NMEA PORTS
Data format and sentences to comply with NMEA0183 V3.00
Serial data format:
Baud Rate 4800
Character format: start bit, 8 data bits, LSB first
MSB (bit 7) = 0, no parity bit,
1 or 2 stop bits
Polarity
Idle, stop bit,logic'1' Line A < 0.5V above line B.
Start bit, logic '0' Line A > 4V above Line B.
INPUT PORT(S) Isolated via optocoupler
Input resistance 1000 ohm min.
OUTPUT PORT
Non-isolated differential output
Output voltage 18 V p-p (typical)
Source resistance 1500 ohm max
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