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U2L converter
IFSF protocol with LON interface to Tokheim UDC protocol
with RS-485/RS-232 interface and backwards
TECHNICAL GUIDE
Review date: 1 October, 2021

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Summary of Contents for TechnoTrade U2L

  • Page 1 U2L converter IFSF protocol with LON interface to Tokheim UDC protocol with RS-485/RS-232 interface and backwards TECHNICAL GUIDE Review date: 1 October, 2021...
  • Page 2: Table Of Contents

    U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 CONTENT PURPOSE OF THE DOCUMENT ..........................3 TECHNICAL FEATURES ............................4 Appointment ..............................4 Technical characteristics..........................5 Communication ............................. 5 CONNECTIONS ............................... 6 Connectors overview ............................. 6 USER INTERFACE ..............................10 S1 and S2 buttons ............................
  • Page 3: Purpose Of The Document

    Technotrade LLC company. During the system development process given Technical Guide is also expanded and updated and new chapters are added. Latest version of this Technical Guide can be downloaded from the U2L converter web- page: https://www.technotrade.ua/ifsf-lon-converter.html.
  • Page 4: Technical Features

    IFSF protocol and LON interface, to communicate through RS-232 or RS-485 interfaces with fuel dispensers having LON interface and IFSF protocol. U2L interface converter can be applied for communication with all dispensers able to connect to the IFSF- LON network including Tokheim, Neotec, DEM G. Spyrides, others.
  • Page 5: Technical Characteristics

    U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 Technical characteristics PARAMETER VALUE 100 V – 270 V AC Power supply voltage Sealing IP20 Material ABS Plastic Temperature range from 0°C to +40°C Supported dispenser brands All brands with IFSF-LON certification passed Weight 0.45 kg...
  • Page 6: Connections

    U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 CONNECTIONS Connectors overview CONNECTOR DESCRIPTION Main power connector Protection fuse, type T1AL250V RS-232 interface Debug/Auxiliary RS-232 interface S1 and S2 Buttons used for cold-start and reset Micro USB-B device (not used in the current firmware release) USB 2.0 connector –...
  • Page 7 U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 Connector X15 X15 is the connector where the main power is connected to U2L. CONNECTOR DESCRIPTION Earth Neutral Line CAUTION! High voltage is supplied to the device. A potential of shock hazard exists. Always connect and...
  • Page 8 U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 Connector X8 X4 is the connector for RS-485/RS-422 interfaces of the control system using UDC protocol. CONNECTOR DESCRIPTION Serves as line A in RS-485 interface. Also, is used for RS-422 interface.
  • Page 9 U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 Example of connection to PTS-2 controller: Connector X9 LON interface connector for connection to LON network of pumps. As the LON interface is two-wire differential there is no polarity of the terminals.
  • Page 10: User Interface

    USER INTERFACE S1 and S2 buttons Buttons S1 and S2 are used to set the U2L converter in preliminary defined state according to IFSF-LON specification. By pressing and keeping both of these buttons pressed in power-off state at powering on the device all of the configuration parameters are reset to their default values.
  • Page 11: Control Keys

    NAME FUNCTION OK / MENU When U2L converter is in the main screen pressing on this key leads to entering the menu. When modifying a parameter from the settings pressing this key confirms the changes. Navigates through menus or parameters up increasing the value of the...
  • Page 12: Configuration

    Pressing the OK/MENU key on the front panel causes the device to show the first level of the main-menu options: SUB-MENU DESCRIPTION SETTINGS Includes all device settings in set of sub-menus DEVICE INFO Current software revision of U2L converter www.technotrade.ua page 12 from 20...
  • Page 13 Set POS and LON communication debug These parameters only affects the levels. service logging. No impact on the normal communication flow. RESET Performs software reset of U2L Bridge. COLD START Cold start will bring the device to factory default setting www.technotrade.ua page 13 from 20...
  • Page 14 U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 SETTINGS > DEVICE > COMMON This menu allows adjustment of the following device-parameters: PARAMETER DESCRIPTION OPTIONS DEFAULT VALUE LANGUAGE Set the default menu language ENG – English for the device SWH –...
  • Page 15 SETTINGS > DEVICE > DEBUG LEVEL Adjust device debug levels. These parameters are used only for service purposes during logging and do not affect the normal communication of U2L with the other devices. Below the parameters included in the menu:...
  • Page 16 U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 SETTINGS > DEVICE > COLD START Perform a cold start on the device. A cold start will bring the device to factory default configuration. A 4 digits password is needed to enter to that option.
  • Page 17 RS-485 interfaces. SETTINGS > POS > DECIMALS When entering this menu on the U2L device a 4 digits password is needed to enter to that option. The default password is: 2345 When properly entering the following screen is opened: The below menu specified the decimal position of the following parameters:...
  • Page 18 SETTINGS > LON > COMMON Set the LON-network node address. It is important to make sure that the device is set with a unique address in the connected LON-network. From pumps prospective the U2L-bridge appears as POS-system and its node-address.
  • Page 19 PARAMETER DESCRIPTION OPTIONS DEFAULT VALUE B INTERVAL Set the interval in seconds when 0-255 U2L sends heartbeat message to the pumps AX BL LEN Defines the length of each message 0-255 block in bytes. COUNTRY CODE The dial code of the country where...
  • Page 20 U2L CONVERTER TECHNICAL GUIDE Revision: R01 Review date: 1 October, 2021 SETTINGS > PUMP This sub-menu contains the common settings for proper pump control. SETTINGS > PUMP > COMMON This sub-menu arranges the relation between the fuelling dispensers (pumps) on the field, their filling positions (FPs) and the addresses assigned to them.

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