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Vialle LPx interface with galvanic separationOPTO&FTDI Galvanic separation protect PC USB port from car interferences up to 20kVolts
Vialle LPx interface with galvanic separationOPTO&FTDI Galvanic separation protect PC USB port from car interferences up to 20kVolts
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PToptoVialle Vialle LPi LPdi LPfi Interface OPTO&FTDI

Average rating (5/5):
Average rating 5/5
(votes 2)

Availability: Always on stock

Shipping time: 24 hours

The cost of shipping: from 8.00 Euro Available delivery forms for viewing the product:Priority Mail - 8.00 Euro
Curier Service - 30.00 Euro
Personal Acceptance - 0.00 Euro

Number: PToptoVialle

Condition of the product: New

Warranty: Manufacturer's warranty

cable length: 4,5 meters

Electronic protection
OPTO&FTDI with galvanic separation and longer cable 4,5 meters

Price: 33.50 Euro

Quantity: pcs.
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  • Product description
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  • What OPTO&FTDI means?
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  • Product reviews and FAQ (2)
Projekt-TECH USB LPG Interface for Vialle LPx systems

Supported ECUs:
  • Vialle Lpi, LPdi, LPfi and other systems with tye same connector


Interface becomes with CD (drivers, manuals and free software)


  • genuine FTDI chip guarantee stable communication and simple drivers installation
  • OPTO&FTDI galvanic separation protect PC circuits even if car electronic is broken
  • cable lenght 4,5 meters
  • 3 LED's communication diodes:
    • RED - ready to work - this diode will flash only if drivers installed correct
    • GREEN - is blinking when transmission is beeing from the car to the computer
    • YELLOW - is blinking when transmission is beeing from the computer to the car
  • works with Windows 98/ME/2000/XP/Server2003/Vista/7/8/8.1/Server2008(32 & 64-bit)/Windows 10, Linux and MacOS systems
  • item is brand new, covered 24 months warranty (easy swap)

Additional „aligator cable” connect to +12V battery
Real view:
professional opto and ftdi interface for vialle LPxx autogas systems

galvanic separation for interfaces lpg cng
Diagnostics interface for LPG CNG in the richest cable version OPTO & FTDI equipped with galvanic separation. Our device is designed for workshop use. The branded electronics, specially manufactured cord and additional safety systems make our diagnostic interface stable and safe, even in case of the external interferences generated by the working engine and vehicle components.

The interface allows full diagnostics of the LPG system, adjustment (self calibration, maps, switching temperature, speed, etc.).
  • very easy installation in any operating system (FTDI chip)
  • OPTO separation with additional protection systems (overvoltage and reverse polarity)
  • trouble-free cooperation with the latest diagnostic programs
  • cover 100% of the functions of gas controllers on service level
  • 4,5 meters solid wire with double shielded (aluminum + steel bundle)
  • reinforced cable ends
  • Rain-resistant interface (rubber flanges, SMD controls inside the enclosure)
  • Works on Windows 10 and all previous versions
  • 3 x LED in housing:
READY - ready to work, the LED lights up after drivers are installed
IN - transmission is beeing to the PC
OUT - transmission is beeing to the vehicle
  • Interface electronics (PCB PCB) is machine made in SMD (FR4 epoxy) technology - enclosed in a sealed enclosure approximately 0,7 m from the PC socket
Kit Contents:
  • NEW diagnostic interface ProjektTECH
  • Receipt or invoice as warranty (easy swap or full refund)
  • Guide and connector table (printed)
  • TECHNICAL SUPPORT - If you have problems, we will answer your questions and provide you with links to websites with free access to a rich database of LPG files.
The OPTO & FTDI diagnostic interface is an extended version of the FTDI professional interface. Additional features include 100% separation of the car's circuitry from the PC for even more safety of the interface and complete transmission security in case of vehicle malfunction. The FTDI and OPTO & FTDI professional interfaces also have a rainproof housing.

opto-izolacja swosowana w interfejsach LPG
Configuration and use our cable with STAG - POLAND
Diagnostic KME Diego G3 - GERMANY
Zenit Pro - UnitedKingdom / Supplied from our dealer in Bulgaria
Product rating: Product rating 5/5 Date of review write:

Ho acquistato l'interfaccia, se vi mando lo screenshotto della diagnosi che mi da, potete aiutarmi a capire che componentistica devo sostituire e acquistare?

Store answer:
hello, yes, please send me some info to @

Product rating: Product rating 5/5 Date of review write:

Purchased a Vialle LPi interface. Quality is extremely good. Supplied software on disc did not want to talk to my computer, however, the software subsequently downloaded from the Projekt Tech site worked perfectly. I would have liked more software options and even the ability to set tuning parameters (hoped the foreign version would be less restrictive than local rules permit) but the features mirror those supplied to Australian professionals. Most importantly, it enabled me to resolve the issue with my system.


The situation of the LPG industry in the world and in Poland

Not much is said about the LPG industry apart from the press and industry websites. Most people's knowledge is limited to the fact that LPG is a fuel used to power cars with a gas installation. But how does it look compared to the rest of the world, and what is the share of LPG in the fuel market? We decided to take a closer look at it.
Read more
Oprogramowanie sklepu
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