Chapter 10 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series
Technical Reference
Operation Manual
10-8
93142122-07
10.4 Interface requirements
10.4.1 Input requirements
Feature Characteristics
Power
Voltage
24/32VDC, -10%, +30%
Consumption
170
W
Gyro compass Synchro
Voltage value: 50VAC or /-10%, 50/60 Hz+/-10%
Gear ratio: 1:360, 1:180, 1:90
Stepper
Voltage value: 21.6 to 38.5 V (See NOTE) or 63 to 77 V
(Standard)
Gear ratio
1:360, 1:180, 1:90
Serial
IEC61162-1 via opto-isolator
LOG
Mechanical input
PRR: 100, 200, 400 pulse/nm
Input type: opto-isolator (5V/5mA)
Pulse width: 100 ms (min)
Electronic input
Same as above
Serial input
IEC61162-1 via opto-isolator
Serial interface Signal standard
IEC 61162-1 or NMEA0183 Ver 2.30 via opto-isolator
AIS interface
Signal standard
IEC 61162-2 via floated RS422
NOTE:
Changing Link settings are required on the Main Logic PCB for J721 to J725. Refer to Para. 4.6.6
for
detail.
