Discontinued by Zinnos - See the ZNC-910
Zinnos ZNC-920 Smart NMEA Speed Log Pulse Converter (Modes 2, 3 only)
See Zinnos ZNC-910B for Smart NMEA to Step & Log Converter with (Modes 1, 2, 3)
Modes:

Mode:2: NMEA to Log pulse Converter (with NMEA sentence Translation):
- NMEA Input --VBW, --VHW, --RMC, --VTG (Automatically recognize) In case of VBW, ground speed has priority.
- Log Pulse Outputs 4 Dry/Pulses 200/400/800:1 selectable.
- NMEA Output VMVBW, VMVHW, GPRMC, GPVTG selectable. 1Hz
Mode-3: Log Pulse to NMEA converter (with Log pulse Repeater)
- Pulse/Dry Input 200/400/800 pulse/knot dry or pulse signal.
- NMEA Output VMVBW, VMVHW, GPRMC, GPVTG selectable. 1Hz.
- Pulse Output 4 Dry/Pulses, or 3 Dry/Pulses + 1 Alarm output.
- Alarm Output More than 8 or 10knots.
Note: Mode-1 only available on ZNC-910B - Click Here
Mode-1: NMEA to Step-Gyro Converter (ZNC-910B Only) :
- NMEA Input --HDT
- Step Output 90/180/360:1 Stepper signal (+/-common)
- NMEA Output HEHDT, 1Hz
Common Specifications
Inputs :
- NMEA0183 Galvanic isolation with main circuit and input power. 4,800 ~ 38,400 bps.
- Pulse 5~25V Pulse.
- Dry contact Max. 5mA
- External Power Up to DC55V. Used for Step & Pulse signals
Outputs :
- NMEA0183 Supports 4,800~38,400 bps
- Step/Pulse/Dry 3 Steps for Gyro, or 4 Pulse(Dry) for Speed signal. Main power(DC24V) or external power(up to 55V) is used, and selected by jump Open collector type. Up to 0.3A per each signal.
External Power (for Step/Log pulse output power) :
- Input Voltage Up to DC55V.
- Current Appr. 0.3A x 4 (depends on loads), 0.5A x 4 electronic fuses are used. Used for Step/Log pulse power instead of main input power by Jumper.
- Input Power (for main circuits) :
- Input Voltage DC24V (18~32V), Appr. 200mA at DC24V. Used for Step/Log pulse power instead of external power by Jumper.
- Fuse Electronic fuse, no replace required.
Physical specifications :
- Size 193mm x 138.5mm x 48.5 mm (See below drawing).
- Weight Appr. 1.0kg.
- Terminal Screw type terminal blocks.
Option :
- For DC12V and other NMEA Sentences translation, Please contact us.
* The specifications may be changed without any notifications.
Zinnos ZNC-920 Smart NMEA Speed Log Pulse Converter (Modes 2, 3 only) Datasheet (ZNC-910B-br-e15.pdf, 276 Kb) [Download]