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YACHT DEVICES YDES-04N, is a J1708 to NMEA 2000 engine data gateway. With it, you can view RPM, temperatures, pressures, engine hours, fuel consumption.
YACHT DEVICES YDES-04N, is a J1708 to NMEA 2000 engine data gateway. With it, you can view RPM, temperatures, pressures, engine hours, fuel consumption, and much more on a chartplotter or other NMEA device in the NMEA 2000 network. The YDES-04 supports the two protocols used in the J1708 standard protocol J1587, which is used by many engine manufacturers, as well as the proprietary Volvo Penta protocol used by engines with EDC I, such as KAD 44, KAD 300, TAMD 73-75, and EDC II (e.g., D12C-A MP). A J1708 interface is used for connecting gauges, electronic displays, diagnostic equipment, and other engine modules. This interface was popular before 2005-2007, when it was quickly replaced by the J1939 protocol, which is a faster CAN protocol.
If your engine supports both J1708 and J1939, it is better to choose another gateway, the YDEG-04. It is designed for J1939, Volvo Penta EVC, MEFI4B, EgC, EDC III, and EDC IV engines. The only exception is Volvo Penta engines with EDV II (e.g., Volvo Penta DC12-A MP), where the CAN bus is used to synchronize RPM but does not have other data. The YDES-04 is easily connected to an available diagnostic socket. The connector on it fits Volvo Penta EDC diagnostic sockets (EDC I and EDC II). For other engines, a connector that fits the engine must be used instead (not included). See the Manufacturer's product page for more information on supported engines.
YDES-04 is available in two versions:
Applications
Data that can be transferred (Data displayed on a chartplotter depends on the engine, available sensors, and the chartplotter's software.)
The DES-04 translates all engine data supported in NMEA 2000 except for tilt/trim in J1587 engines, and the most important data in KAD engines. See the table below. Transfer of two fuel tanks and two batteries is also supported. Data that can be displayed on a chartplotter depends on its functions and the sensors available in the engine.
| N2K PGN | N2K Parameter Name | J1587 | KAD |
| 127488 | Engine speed (RPM) | yes | yes |
| Engine boost pressure | yes | yes | |
| Engine tilt/trim | |||
| 127489 | Engine oil pressure | yes | |
| Engine oil temperature | yes | ||
| Engine coolant temp | yes | yes | |
| Alternator potential | yes | yes | |
| Fuel rate | yes | yes | |
| Total engine hours | yes | yes | |
| Engine coolant pressure | yes | ||
| Fuel pressure | yes | ||
| Engine discrete status (alarms) | yes | ||
| Percent engine load | yes | (no) | |
| Percent engine torque | yes | ||
| 127493 | Transmission gear | yes | (yes) |
| Transm. oil pressure | yes | ||
| Transm. oil temperature | yes | ||
| Transmission status (alerts) | yes | ||
| 127498 | Rated engine speed | yes | yes |
| VIN (engine serial number) | yes | yes | |
| Software ID (model number) | yes | yes | |
| 127505 | Fuel Type | (yes) | |
| Fuel Level | yes | ||
| Tank capacity | (yes) | ||
| 127508 | Battery Potential | yes | yes |
| Battery current | yes | ||
| Battery case temperature |
NOTE! YDES-04 must have the correct configuration to function. A configuration file, YDES.TXT, is copied to a microSD card (not included), placed in the YDES-04, and then loaded. The text in the file controls which engine type, number of engines, tanks, etc., the YDES-04 should listen to and transfer to NMEA 2000. Read the manual on how to do this.
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