Doppler Log - JRC JLN-205MK2 Quick Reference

９.２ Doppler Log
1) Basic
 Operation system
 Operation frequency
 Speed measurement range
 Run distance display range
 Water depth
 Speed accuracy
 Distance accuracy
 Display
 IEC61162-1 input
 IEC61162-1 output
 Other output
 Power supply
2) Environment
 Operating temperature
 Operating humidity
 Vibration
 EMC
: Dual - beam pulse Doppler system
: 2MHz
: –10.0 to +40.0 kn
: 0 to 99999.99nm
(However, NWW-7 of the option is 0 to 9999.99nm )
: Relative speed to water of depth greater than 3 meters below hull bottom
: 1% or 0.1kn whichever value is greater
: 1% or 0.1nm in each hour whichever value is greater
: Digital display
: Analog display (option)
: GPS (for GPS speed display)
(Sentence ; $--RMC, $--RMA, $--VTG)
: NMEA0183 Ver. 1.5 or 2.3 -------------- 8 circuits
(Sentence ; $VDVBW, $VDVLW)
: Ship speed ---------------------------------- 2 circuits
DC voltage signal for analog display (-2VDC to +10VDC)
: LOG pulse ---------------------------------- 4 circuits
Opto-coupler signal (200 pulses/nm, 30V, 50mA max)
: LOG signal --------------------------------- 1 circuit
Relay closure signal (200 pulses/nm, 30V, 1A max)
: Slave display signal ----------------------- 2 circuits
: Distance signal ----------------------------- 1 circuit
: Remote display signal -------------------- 1 circuit
: On-line maintenance ---------------------- 1 circuit
: Power fail alarm --------------------------- 1 circuit
: 100/110/115/220/230VAC 10%, 1
: –15C to +55C
: +40C, 93%
: IEC60945 ed.4 compliant
: IEC60945 ed.4 compliant
Speed unit = kn or m/s
Relay closure signal (250V, 5A max)

, 50/60Hz, 100VA or less
9-3