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Actisense

USG-2

USG-2 NMEA0183 to USB interface

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Retail priceBenefit from the professional rate

£116.75 GBP

£116.75 GBP ~~£129.68 GBP~~

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Low stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Technical specifications

Product use	Convertisseur USB vers série bidirectionnel pour NMEA 0183, RS422 et RS232
Product range	Passerelle USB vers Série
Wired network	NMEA 0183,RS422,RS232
Nombre d'entrées	1.0
Nombre de sorties	1.0
Courant de sortie maximal par canal	20 mA
USB port count	1.0
Nombre de ports Ethernet	0.0
Connector type	USB Type-B, Bornier sans vis
Plage de section de câble	12-24 AWG
Galvanic isolation	Oui
Operating voltage range	5 VDC
Powering method	Alimentation par USB
Typical power consumption	0.25 W
Mounting type	Montage sur cloison, Montage sur rail DIN (optionnel)
IP rating	IP67
Operating temperature range	-25°C à +70°C
Weight	0.135
Dimensions (W x H x D)	115.5 x 36.5 x 29.5 mm
Baud Rate Range	300 à 230400
Protocole de communication	NMEA 0183,RS422,RS232
Input Galvanic Isolation Voltage	2500
Input Signal Sensitivity	Élevée
Isolation Technology	ISO-Drive™,OPTO-isolé
Output Galvanic Isolation Voltage	1500
Product Tracking Type	Numéro de série
Protection features	Surtensions,Décharges électrostatiques (ESD),Courts-circuits
Nombre de ports série	1.0
Usb Version Compatibility	USB 1.1,USB 2.0,USB 3.0
Wired input	NMEA 0183 (bornier sans vis),RS422 (bornier sans vis),RS232 (bornier sans vis)
Wired output	NMEA 0183 (bornier sans vis),RS422 (bornier sans vis),RS232 (bornier sans vis),USB

Detailed description

Designed to ensure a reliable and secure connection between NMEA 0183, RS422, RS232 devices and a PC USB port, the Actisense USG-2 interface converts a standard USB port into a bidirectional serial port compliant with marine requirements. This interface is particularly suited to applications requiring advanced electrical protection and broad compatibility with various equipment. It stands out from generic USB-to-serial converters due to its isolation level and robust design.

Isolation and Electrical Protection

The USG-2 features 2500 V galvanic isolation for the input and 1500 V for the output, achieved through Actisense’s ISO-Drive™ technology and opto-isolated circuits. This functionality is critical for eliminating ground loops and effectively protecting connected equipment, including the host PC, from electrical damage. Inputs and outputs are also protected against overvoltage, electrostatic discharge (ESD), and short circuits, ensuring superior system integrity compared to non-isolated adapters. Its input circuit can capture low-level signals, often too weak for standard PC serial ports.

Performance and Compatibility

This interface supports a wide range of baud rates, from 300 to 230400 bps, making it compatible with various NMEA 0183 architectures as well as RS232/RS422 requirements. It includes an isolated NMEA 0183 Listener (input) and NMEA 0183 Talker (output) port. USB compatibility extends to versions 1.1, 2.0, and 3.0. Power is supplied directly via the USB bus, with a maximum consumption of 50 mA. The device creates a virtual COM port on the connected PC, ensuring compatibility with standard marine navigation and display software.

Marine Design and Installation

The USG-2 is designed for the marine environment, with encapsulated electronics providing IP67 protection. Its ABS (PA-765) housing is flame-retardant (UL94 V-0), as is the PCB encapsulant made of polyurethane. The interface operates within a temperature range of -25°C to +70°C. A 2.0 m high-quality shielded USB cable and a high-retention USB connector are included, ensuring a robust and vibration-resistant connection. The tool-free plug-and-play connector, featuring a locking latch and strain relief, enables quick and secure installation. Diagnostic LEDs (blue for power, green for receive, orange for transmit) allow for quick verification of connection status and data transfer. The interface weighs 65 g, and the USB cable 70 g. A 3-year warranty is provided, extendable to 5 years after registration.

Expert opinion

Pol CONIN

Digital Manager

« L'interface USG-2 : la référence Actisense pour une connexion NMEA0183/USB isolée et fiable »

L'interface Actisense USG-2 est une solution technique essentielle pour l'intégration fiable des systèmes NMEA 0183 avec un environnement PC à bord. Son atout majeur réside dans son isolation galvanique (2500 V en entrée, 1500 V en sortie), une caractéristique non négociable pour prévenir les boucles de masse et protéger des équipements coûteux, qu'il s'agisse de votre ordinateur portable de navigation ou des instruments NMEA 0183 connectés. Cette protection est cruciale pour la longévité et la stabilité de l'ensemble du réseau électronique marin, évitant les dysfonctionnements liés aux différences de potentiel.

L'USG-2 se positionne comme un choix privilégié pour les plaisanciers et professionnels cherchant une liaison PC dédiée et résiliente pour la cartographie, l'analyse de données ou le contrôle de pilote automatique. Sa large compatibilité avec les débits en bauds (300 à 230400 bps) assure une flexibilité d'intégration avec une vaste gamme d'équipements NMEA 0183, des capteurs anciens aux systèmes plus récents. Les LED de diagnostic intégrées sont un avantage pratique sur le terrain, permettant une identification rapide des problèmes de communication sans outils supplémentaires, un gain de temps précieux lors de l'installation ou du dépannage.

Du point de vue de l'installation, le connecteur sans vis enfichable et le câble USB haute rétention, combinés à l'indice d'étanchéité IP67, facilitent un montage sécurisé et durable, même dans des environnements humides et soumis aux vibrations. Il est important de noter que bien que l'USG-2 offre une solution robuste pour NMEA 0183, elle ne remplace pas une passerelle NMEA 2000 pour les réseaux plus modernes. Cependant, pour un besoin ciblé de connexion NMEA 0183 vers USB, la robustesse et la sécurité offertes par l'USG-2 en font une référence, là où des convertisseurs génériques pourraient compromettre l'intégrité du système.

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USG-2 NMEA0183 to USB interface

£116.75 GBP

£116.75 GBP ~~£129.68 GBP~~

Frequently Asked Questions

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What is the Actisense USG-2 NMEA0183 to USB interface?

The Actisense USG-2 interface is a converter designed to establish a reliable and secure connection between NMEA 0183, RS422, RS232 marine devices and a computer's USB port. It converts a standard USB port into a bidirectional serial port, specifically suited to marine requirements.

What is the primary function of galvanic isolation in the USG-2?

Galvanic isolation, thanks to Actisense's ISO-Drive™ technology and OPTO-isolated circuits, provides essential electrical protection. It eliminates ground loops and protects connected equipment, including the host PC, from electrical damage. The USG-2 features 2500 V isolation for the input and 1500 V for the output.

What are the advantages of the USG-2 compared to generic USB-to-serial converters?

The USG-2 stands out for its advanced galvanic isolation level (2500 V input, 1500 V output) and robust design. It provides superior protection against surges, electrostatic discharges (ESD), and short circuits, which is critical in a marine environment. Additionally, it can capture low-level signals that are often too weak for non-isolated adapters.

How is the Actisense USG-2 interface powered?

The USG-2 interface is powered directly via the USB bus of the computer to which it is connected. It requires a 5VDC power supply.

Does the USG-2 interface provide protection against marine elements?

Yes, the Actisense USG-2 interface has an IP67 waterproof rating. This means it is protected against dust and can withstand temporary immersion in water.

What is the weight of the Actisense USG-2 interface?

The Actisense USG-2 interface weighs 0.17 kg.

Can the USG-2 handle low-intensity NMEA signals?

Yes, the USG-2’s input circuit is specifically designed to capture low-level signals that may be too weak for standard PC serial ports.

What electrical protections are built into the USG-2?

The USG-2 integrates multiple electrical protections, including:

2500 V (input) and 1500 V (output) galvanic isolationOvervoltage protectionElectrostatic discharge (ESD) protectionShort-circuit protectionThese protections ensure system integrity and the safety of connected equipment.

Which communication protocols is the USG-2 interface compatible with?

The USG-2 interface is compatible with NMEA 0183, RS422 and RS232 protocols, allowing it to integrate with a wide range of marine equipment.

What baud rates are supported by the USG-2 interface?

The USG-2 interface supports a wide range of baud rates, from 300 to 230400 bps. This flexibility ensures compatibility with various NMEA 0183 architectures and RS232/RS422 requirements.

Is the USG-2 interface compatible with all USB port versions?

Yes, the USG-2 is compatible with USB 1.1, USB 2.0, and USB 3.0 versions, ensuring broad compatibility with most computers.

Can the USG-2 interface handle bidirectional NMEA 0183 communications?

Yes, the USG-2 has an isolated NMEA 0183 Listener port (input) and an isolated NMEA 0183 Talker port (output), enabling full bidirectional communications.

Is the USG-2 compatible with different operating systems?

The Actisense USG-2 interface is designed to be compatible with common operating systems such as Windows, macOS, and Linux. Specific drivers are typically provided by Actisense to ensure proper installation and operation on these platforms.

Can the USG-2 be used to connect RS232 or RS422 devices to a PC?

Yes, the USG-2 interface is designed to connect devices using RS232 and RS422 standards, in addition to NMEA 0183, to a PC USB port, while providing electrical isolation.

Is an external power supply required for the USG-2?

No, the Actisense USG-2 interface is powered directly from the USB port of the computer it is connected to. No external power supply is required.

How is the USG-2 interface connected to a computer?

The USG-2 interface connects to your computer via a standard USB port. It is designed to convert this USB port into a bidirectional serial port compliant with marine requirements.

Are software pilots required to use the USG-2 interface?

Yes, software drivers are usually required for the computer to recognize and communicate properly with the USG-2 interface. These drivers are provided by Actisense and must be installed on your operating system.

Is the physical installation of the USG-2 complex?

Physically installing the USG-2 is relatively straightforward. Simply connect it to an available USB port on your PC and follow the instructions to install the software drivers. Its robust design is suited to the marine environment.