Page 1 FUEL FLOW METERS DFM 50/100/250/500 one-chamber and differential OPERATION MANUAL Version 8.0...
Page 2: Table Of Contents
2.6 Flow meters configuration by means of cable connection to the PC ......58 2.6.1 Connection DFM to PC ................58 2.6.2 User interface ................... 61 2.6.3 Authorization .................... 62 2.6.4 Working with DFM profile ................63 DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 3 H.5 Voltage supply monitoring FM ................. 141 H.6 Battery FM ....................142 Annex I DFM firmware upgrade ................143 Annex J Signal cables ....................144 Annex K Videos ..................... 145 DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 4: Revision History
• List of Telematics terminals compatible with DFM fuel flow meters updated. • Information on MK DFM mounting kits updated. • Document terminology updated (CAN j1939/S6 Telematics interface, S6 Technology IoT Burger Technology). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 5 Introduction, 2.12, annex H.4). • The list of ouput messages and the data composition of DFM CAN fuel flow meters transmitted via CAN j1939/S6 interface (see annex F) are updated. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 6: Structure Of External Links
S6 Website Part S6 Functional modules Page DUT-E Page DUT-E GSM Page DUT-E 2Bio Page DFM Page DFM Marine JV Technoton Website Page DFM Industrial Page CANUp Part Software/Firmware Part Technical support Technoton Engineering Website ORF 4 Website YouTube Technoton DFM fuel flow meters.
Page 7: Terms And Definitions
The following types of SPN exist: Parameters, Counters, Events. SPN can have a qualifier which allows qualification of parameter’s value (e.g. – Onboard power supply limit/Minimum). ORF 4 — is the Telematics service by Technoton developed for receiving and processing Onboard...
Page 8 Function module (FM) unit-embedded component of hardware and software combination, executing a group of special functions. Uses input/output PGNs and settings PGNs. Unit is an element of vehicle on-board equipment compatible with S6 bus, which uses S6 Technology. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 9: Introduction
The Operation manual contains guidelines and rules which refer to DFM fuel flow meters (hereinafter DFM), models codes — 01…04, 06…09, 11…18, 20…34, 40…47, 50…57, 60…67 developed by JV Technoton, Minsk, Belarus. DFM model code is defined by first two digits of its serial number, which is placed on measurement chamber’s body and on packaging label:...
Page 10 (max. flow rate 500 l/h, model - differential autonomous with display). “Fuel flow meter DFM 500CCAN”, (max. flow rate 500 l/h, model - with display, output interface — CAN j1939/S6). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 11 PC (the current version of the service software can be downloaded at https://www.jv-technoton.com/, section Software/Firmware For wireless configuration of DFM flow meters with interface cables by means of an Android...
Page 12: Dfm General Information And Technical Specifications
(locomotives, sea and river vessels, diesel generators, boiler equipment etc.). a) example of DFM D employment as component of the Telematics system on Vehicles and tractors DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 13 Terminal unit gathers, registers, stores received signals and transfers them to telematic Server. Software installed on the Server generates Analytical reports, which allow time- related Route control Vehicle fuel consumption monitoring web-browser (see figure DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 14 • normalizing of fuel consumption quotas; • fuel theft detection and prevention; • real-time monitoring and fuel consumption optimization; • fuel consumption tests for engines. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 15 Vehicle engine mode of operation Figure 4 — Examples of Analytic Reports based on data from DFM CAN for the selected period of time created by ORF 4 Telematics service DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 16: Exterior View And Delivery Set
Figure 5 — DFM delivery set For DFM meters with built-in display. Not applicable for autonomous DFM fuel flow meters (see 1.3.1 and 1.3.5). *** Only for DFM meters with pulse interface output. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 17: Dfm Models
Fuel consumption and vehicle operating time data is displayed on the built-in LCD display. Monitoring and recording is to be performed visually, copying out the data into a fuel timesheet, by a responsible person. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 18: Fuel Flow Meters With Display And Interface Cable
CAN j1939/S6 (DFM CCAN), RS-232 (DFM C232), RS-485 (DFM C485) digital interfaces contain fuel consumption data together with Counters values, data on engine operation modes, flow meter Parameters and malfunctions, Events. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 19: Fuel Flow Meters With Interface Cable
Parameters malfunctions, Events. These models do not have display but have a LED indicator. Flashing light signal indicates the correct operation of the flow meter measuring chamber. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 20: Differential Fuel Flow Meters With Interface Cable
CAN j1939/S6 (DFM DCAN), RS-232 (DFM D232), RS-485 (DFM D485) digital interfaces contain fuel consumption data together with Counters values, data on engine operation modes, flow meter settings Parameters and malfunctions, Events. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 21: Differential Autonomous Fuel Flow Meters With Display
Data control is performed by responsible person, who records values from display manually. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 22: Measurement Range And Accuracy
Maximum flow error, %, rate*, l/h rate, l/h rate, l/h (by size) not more than** DFM 50 DFM 100 ±1 DFM 250 250*** DFM 500 500*** Minimum threshold flow rate value when the meter starts operating. The value is indicated for reference only as accuracy is not standardized for operation on the starting flow rate.
Page 23: Unit Structure And Operation Principle
(see animation on DFM fuel flow meter operational principle). Figure 12 — DFM measuring chamber operation scheme * The single-chamber model of DFM is taken as the device example. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 24 • increased nominal bore for minimum fuel flow hydraulic resistance; • improved magnetic circuit reduces sensitivity to hydraulic shocks in the engine fuel system. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 25: Technical Specifications
3) DFM flow meters are made of petrol resistant materials. However the declared lifetime of the measuring chamber is not guaranteed when operating with petrol (see 1.6.3). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 26: Main Specifications
A Weight For DFM 500 models. ** See figure 13 for details. *** Data is displayed in environment temperature range -20…+60 °C for flow meters with built-in display. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 27 Figure 13 — Chart of pressure drop in DFM related to flow rate According to figure 13 pressure drop on maximum flow rate does not exceed: • for DFM 50/90/100 — 0.03 bar; • for DFM 220/250 — 0.04 bar;...
Page 28: Specifications Of Measuring Chambers
Nominal Nominal volume of the Flow meter Re-calibration diameter (DN), measuring capacity model interval *, l chamber, ml DFM 50 100 000 DFM 90 DFM 100 DFM 220 12.5 250 000 DFM 250 DFM 500 500 000 * See DFM fuel flow meters.
Page 29: Power Supply Modes
When powered from internal battery DFM CK/C232/C485/CCAN can display data according to table 6. Data transfer to the output interface starts only when external power supply from vehicle on-board network is provided. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 30: Operation Modes
Operation mode boundaries of flow meters with pulse output interface can be adjusted via Service S6 DFM software or Service S6 DFM (Android) service mobile application at Flowmeter FM section (see H.3). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 31: Displayed Data
(see figure 15). Figure 15 — Display view in sleep mode When the display is touched next time it wakes up and shows data again. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 32 “Instant consumption in liters/hour reverse chamber” “Total Fuel Consumption. liters Clearable” Counter “Engine Operation Time. hours Clearable” Counter * For DFM CD — instant differential consumption. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 33 Counter data could be reset using service software or by applying a magnetic key (3…5) s to a switching zone of DFM’s cap when Screen 17 is active. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 34: Dfm Protection From Tampering And Intervention
Sealing all connection in fuel line after DFM can help Vehicle owner to reveal unauthorized intervention in fuel line. Valves, bolts and other elements in Technoton-branded mounting kits (see 4) for DFM has special holes for sealing. DFM fuel flow meters. Operation manual. Version 8.0...
Page 35: Dfm Pulse Output Signal Specifications
180 to 9000 if T >1s, pulse then t =500 ms DFM 250DK from 200 to 90000 DFM 500AK/CK from 144 to 7200 DFM 500DK from 180 to 144000 DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 36: Specifications And Protocols Of Rs-232 And Rs-485 Digital Interfaces
DUT-E 485, DUT-E 2Bio 485) simultaneously connected to the Telematics terminal by means of RS-485 interface — no more than 4 pcs., in any combination of types of devices. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 37: Can J1939/S6 Digital Interface Specifications And Protocols
* You may specify addresses from the additional range only by using Service S6 DFM software, version 1.27 and higher for DFM CAN flow meters with the version of firmware not lower than 4.63. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 38: Dfm And Telematics Terminals Compatibility
Compatibility declarations Technoton products Telematic units various manufacturers. Recommendations on connecting and setting up the equipment can be obtained from Technical support of Technoton. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 39: Dfm Selection
* Data is for reference purpose only. To choose flow meter properly, it is necessary to know maximum and minimum fuel consumption in fuel feed line of fuel consumer. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 40: Selection Depending On Fuel Flow Rate In Feed And Reverse Lines Of The Engine
3) Counter-indication to install a differential fuel flow meter is the fact of air bubbles presence in feed or reverse fuel lines. A task of removing air from fuel is resolved by installation of deaeration device (dearator) (see 4.4). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 41: Dfm Installation
• visible damages of the meter body, fittings, bracket, display, interface cable and connector; • backlash of component parts or gaps between them. Contact the supplier if any defects detected. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 42: Estimation Of The Fuel Consumer Condition
According to the results of the check a Protocol of inspecting machinery unit should be filled in and signed (see annex The customer should eliminate any malfunctions recorded to the report before DFM installation. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 43: General Installation Instructions
2) When fitting the mounting bracket of the DFM vehicle frame drilling is prohibited! If fitting of the mounting plate is impossible with bolts, spot welding is allowed. 3) Avoid sharp bends of cable and fuel pipes when mounting. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 44 Make sure you install fuel flow meter into fuel lines strictly according to symbols on DFM body (see figure 20). a) one-chamber b) two-chamber Figure 20 — Symbols on DFM body for proper installation into fuel lines DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 45 2) If foam is present in the reverse pipe, installation of fuel deaeration system is required. To eliminate air bubbles and prevent them from getting into the fuel line deaerators are used (see 4.4). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 46: Fuel Flow Meters Mounting Schemes
The low pressure fuel pump pumps significantly more fuel to the input of the high pressure fuel pump than the engine consumes in any of operation modes. Excess fuel from the high pressure fuel pump and injectors flows back to the fuel tank. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 47: Dfm Installation Before The Pump
Thus fuel from two lines flows to the low pressure fuel pump input: 1) from the fuel tank through DFM flow meter; 2) from high pressure fuel pump reverse line. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 48 • additional load on the low pressure fuel pump; • fuel i n the tank is not warmed with return fuel flow (fuel heater installation is required in some cases). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 49: Dfm Installation After The Pump
(hydraulic shocks) inside fuel line can add extra inaccuracy. ATTENTION: To compensate water hammer effects and to avoid back fuel flow through DFM, it is necessary to install return valve after the flow meter! DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 50 • return fuel flow can heat fuel in the tank. Disadvantages of the scheme: • high pressure fuel pump cooling efficiency is slightly decreased; • return flow fuel temperature is lower than with a regular fuel system. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 51: Differential Dfm D Installation Scheme
Reverse-flow chamber of differential DFM D in both cases is to be installed in reverse line between high pressure fuel pump output and the fuel tank. a) feed chamber installation after the pump (in a fuel system with plunger injection pump) DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 52 DFM installation / Fuel flow meters mounting schemes / Differential DFM D installation scheme b) feed chamber installation before the pump (in a fuel system with plunger injection pump) c) feed chamber installation after the pump (unit injector fuel system) DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 53 The total consumption is determined by means of summation of the fuel consumption values measured by the Master and Slave flow meters (see 2.11). allowed pair different types/sizes (see table DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 54 DFM, its mounting scheme, mounting kit and other accessories depending on type of fuel pump and according to technical specifications of particular Vehicle. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 55: Electrical Connection
5) It is strongly recommended to lay DFM connection cable together with standard electrical vehicle wiring with mandatory cable ties fixing of every 50 cm (see figure 25). Cable ties DFM signal cable Figure 25 — Laying DFM signal cable DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 56 Table 10 — Interface cable pinout and wire assignment of DFM AK/CK/DK Assignment Connector view Wire color number Power supply Orange “+” Brown Ground Pulse output White (see 1.6.8) K-Line Black (ISO 14230) DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 57 Examples of connection schemes including the elements of S6 cabling system, which should be ordered for connecting DFM ACAN/CCAN/DCAN to registration and display devices, are given in the j1939/S6 Telematics Interface Operation Manual. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 58: Flow Meters Configuration By Means Of Cable Connection To The Pc
Vehicle*. To do this, use the battery switch or remove the battery terminals. * When configuring DFM installed on Vehicle. When configuring flow meters connected by Technology, power supply of onboard network (battery) can be turned on. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 59 Figure 27 — Schemes of DFM connection to PC * For connecting power supply (battery) you can choose any of marked places. ** No need to connect. Power supply (battery) is carried out though S6 cabling system. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 60 Green DFM data is being received No signal No data from DFM Yellow Data is being transmitted to DFM No signal No data to DFM DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 61: User Interface
DFM Functional module which are read and/or edited in Information and configuration area are listed in annex Vertical menu also contains entries on real-time diagnostics of measuring chambers and events records. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 62: Authorization
Password field of the window Authorization and press Ctrl+F10 key combination. Service S6 DFM software will display a code to recover the current password of the Unit (see figure 31). This message is being sent to Technoton technical department by e-mail support@technoton.by together with password recovery request.
Page 63: Working With Dfm Profile
Default profile is stored in DFM_default.prf (for one-chamber flow meter) and DFM_D_default.prf (for two-chamber flow meter) files folder Service S6 DFM. ATTENTION: In autonomous mode only default profile or previously saved profile is available for loading. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 64 The printed copy will contain flow meter profile data as well as the date when it been printed. RECOMMENDATION: It is recommended to attach the hardcopy of the profile to the meter’s specification to log the history of the settings and configurations. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 65: Wireless Configuration Of Flow Meters Using Android Devices
* When configuring DFM installed on Vehicle. When configuring flow meters connected Technology, power supply of onboard network (battery) can be turned on. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 66 DFM using S6 BT Adapter via S6 Technology Figure 34 — Schemes of wireless connection of DFM to Android device * For connecting power supply (battery) you can choose any of marked places. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 67 Connection with S6 BT Adapter is Blue established (blinking each 0.5 s) S6 BT Adapter is sending data over Bluetooth (blinking each 0.25 s) No signal S6 BT Adapter is not initialized DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 68: Interface Of S6 Application
Navigation Menu (selection of FM, functioning check, Counters review, firmware update). When working with DFM, the Service S6 DFM (Android) mobile app operates with data (PGN and SPN) from databases. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 69: Authorization
DFM profile will start. To restore the Unit password (in case it is lost), you should connect DFM to the PC using S6 SK and proceed in accordance with 2.6.3. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 70: Operations With Profile
Android device; • — is used to save the changed settings of the profile in the memory of the connected flow meter. Figure 38 — View of Profile menu DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 71: Configuration For Connection To External Terminal Unit
* You may specify addresses from the additional range only by using Service S6 DFM software, version 1.27 and higher for DFM CAN flow meters with the version of firmware not lower than 4.63. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 72 Figure 39 — Flow meter connection parameters settings when using CAN j1939/S6 interface a) in Service S6 DFM software b) in Service S6 DFM (Android) app Figure 40 — Flow meter connection parameters settings when using RS-232/RS-485 interface DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 73: Operation Check
You can change configuration of operation modes boundaries in Flowmeter FM window (see H.3). Only for DFM CAN flow meters with the firmware version not lower than 4.63, when using Service S6 DFM software, version 1.27 and higher. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 74 Service S6 DFM software Example for a single-chamber DFM Example for a differential DFM D b) in Service S6 DFM (Android) app Figure 41 — DFM operation test with Graphs window DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 75: Configuration For Specific Operation Conditions
1 °C) (SPN 521433). β coefficient value should be chosen from table 15, taking in account density ρ of oil product at the temperature of plus 20 °C. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 76 3 %. If fuel flow meter shows 2 % lower results of measurement, it is necessary to enter consumption correction coefficient equal plus 2 %. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 77 Figure 44 — Example of entering the fuel consumption correction coefficient for modes of differential DFM operation DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 78: Configuration Of Single-Chamber Dfm Can For Operation In Pairs In The "Differential"/"Summation" Modes
(in majority of cases default value “5” is enough). When unevenness of flow rate in feed and reverse lines is growing, it is recommended to increase value of smoothing buffer. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 79 2) After fuel supply is stopped, values of Counters in Master flow meter are stabilized not sooner than in 15 seconds. To get recommendation on configuring smoothing buffer for particular case, contact Technoton technical support team. Figure 45 — Example of configuring DFM CAN for “Differential” operation mode IMPORTANT: To operate in “Differential”/“Summarization”...
Page 80: Summation Of Fuel Consumption Readings
Examples of connection diagrams of DFM CAN flow meters using S6 Technology for summation of fuel consumption readings including the specification of cabling to be ordered are provided in CAN j1939/S6 Telematics interface Operation Manual. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 81: Measurement Accuracy Check
• to measure the volume of fuel in tank during the tests, it is necessary to use the certified measuring instruments (measuring ruler or a measuring capacitance). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 82: Conducting The Tests
22) Determine the proportion of the reverse flow from the injectors in overall inj.return  100% fuel consumption for a tested vehicle by the formula: 23) Record the result into the protocol. See annex C for protocol template. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 83 • It is possible to use data from “Total fuel consumption” Counter when signal transmission is set to ASCII (see 2.8) data format because the step of increasing values in the Counter is 0.005 l in this mode. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 84: Accessories
No engine failure due to jamming of the valve! • Fittings, valves, banjo bolts have holes for sealing. No fuel thefts and unauthorized tampering into fuel system! DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 85 All-purpose, for mounting DFM 500 single-chamber flow meters DFM MK 45B using 10 mm fuel pipe To install DFM 50/DFM 100/DFM 250 one-chamber flow meters on DFM MK 90B D243, D245 and D260 engines using 8 mm fuel pipe To install DFM 50/DFM 100/DFM 250 one-chamber flow...
Page 86 10 mm fuel pipe to mounting elements Banjo fitting BF 16/10 Non-return valve To eliminate hydraulic shocks influence on the measurement accuracy of the flow meter Non-return valve (white valve) DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 87 To seal connections on Copper washer the fine filter of YaMZ CW 20-26 engines To fix 8 mm fuel Hose clamp hose onto the banjo HC 10-16 fitting or filter DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 88 Lock washer meter to the bracket WL8.65 ATTENTION: The Manufacturer reserves the right to modify the MK DFM sets and replace components with equivalent ones without prior customer notice. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 89: Connecting Cables
Note – Designations of models of additional cables and other S6 system components which may be needed for connection of DFM CAN using S6 Technology are provided in j1939/S6 Telematics Interface Operation Manual. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 90: Additional Accessories
Magnetic key — built-in display Sealing fuel connectors, valves etc. in Exterior of seal Plastic seal order to prevent CRYSTAL seal can be different interference into the fuel system DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 91 50 m coil, D-19 and fuel lines 19 mm diameter Fast assembly Split corrugated 50 m coil, plastic tube for DFM CoTube9.8 tubing 9.8 mm diameter cable protection DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 92: Dfm Da 250 Deaerator
Min/max operation pressure in the feed fuel line, -0.6/0 Connection to the fuel pump 1/4” female thread Connection to the tank 1/4” female thread Overall dimensions, mm, not more than 136 x 95 x 97 DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 93 Check out the interactive animation video for cases when deaerator is required as well as for examples of deaerator mounting schemes for various types of fuel supply systems DFM fuel flow meters: selection of installation layout, accessories and mounting kit. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 94: Registered Events Control
Service S6 DFM (Android) app Figure 50 — Browsing thorugh Events registered by DFM You can delete all registered Event from DFM by clicking Clear button. Important Events cannot by deleted by use. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 95: Diagnostics And Troubleshooting
DFM repair works can be carried out only by certified regional service centers. Full list of service centers can be found at https://www.jv-technoton.com/. Limited troubleshooting may be self-conducted (see table 21). Table 21 — DFM malfunctions, which can be removed without full dismounting of the device...
Page 96: Verification
At product release each flow meter passes departmental metrological verification on metrologically certified automated test rigs. Verification certificate confirming DFM metrological verification is included into delivery set of each DFM. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 97: Maintenance
“High Resolution Engine Total Fuel Used” Counter (SPN 5054 see H.3)* since previous calibration and equal to: • for DFM 50/DFM 100 — 100 000 l; • for DFM 250 — 250 000 l;...
Page 98: Packaging
Quality Control seal and QR code is stuck on two sides of the DFM box (see figure 53). Figure 53 — DFM packaging label Note — Label design and contents can be modified by the Manufacturer. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 99: Storage
100 % at 25° C. Do not store DFM in the same room with substances that cause metal corrosion and/or contain aggressive impurities. DFM shelf life must not exceed 24 months. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 100: Transportation
When transporting by air, DFM must be stored in heated pressurized compartments. Air environment in transportation compartments should not contain acid, alkaline and other aggressive impurities. Shipping containers with packed DFM should be sealed. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 101: Utilization/Re-Cycling
Technoton bears no responsibility for any non-compliance with the above disposal and recycling requirements for battery. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 102: Contacts
Contacts Contacts Distribution, technical support and service Tel/fax: +375 17 240-39-73 marketing@technoton.by support@technoton.by Manufacturer Zavod Flometr Tel/fax: +375 1771 3-29-21 office@flowmeter.by DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 103: Annex A Overall Dimensions And Weight
Annex A Overall dimensions and weight Annex A Overall dimensions and weight Figure A.1 — DFM 50AK/CK/A232/A485/ACAN/C232/C485/CCAN and DFM 100AK/CK/A232/A485/ACAN/C232/C485/CCAN overall dimensions Figure A.2 — DFM 50B/C and DFM 100B/C overall dimensions DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 104 Annex A Overall dimensions and weight Figure A.3 — DFM 250AK/CK/A232/A485/ACAN/C232/C485/CCAN overall dimensions Figure A.4 — DFM 250B/C overall dimensions DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 105 Annex A Overall dimensions and weight Figure A.5 — DFM 500AK/CK/A232/A485/ACAN/C232/C485/CCAN overall dimensions Figure A.6 — DFM 500B/C overall dimensions DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 106 Annex A Overall dimensions and weight Figure A.7 — DFM 100DK/D232/D485/DCAN and DFM 100CD overall dimensions Figure A.8 — DFM 250DK/D232/D485/DCAN and DFM 250CD overall dimensions DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 107 Annex A Overall dimensions and weight Figure A.9 — DFM 500DK/D232/D485/DCAN and DFM 500CD overall dimensions DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 108 DFM 100DK DFM 100CD DFM 100D232 DFM 100D485 DFM 100DCAN DFM 250DK DFM 250CD DFM 250D232 DFM 250D485 DFM 250DCAN DFM 500DK DFM 500CD DFM 500D232 DFM 500D485 DFM 500DCAN DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 109: Annex B Protocol Of Inspecting Machinery Unit
Chassis ground switch the switch. condition Maintenance or replacement is recommended. representative of the CUSTOMER: representative of the CONTRACTOR: _______________________ _______________________ name, signature name, signature DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 110: Annex C Template Of Check Test Report
Fuel consumption measurement corresponds /does not correspond to the technical specification. Comments: ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ representative of the CUSTOMER: representative of the CONTRACTOR: _______________________ _______________________ name, signature name, signature DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 111: Annex D Modbus Rtu Data Transmission Protocol And Table Of
(see figure D.1). Figure D.1 — Scheme of data exchange according to Modbus RTU protocol between DFM 232/485 fuel flow meter and the Telematics terminal DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 112 Conversion of data for verification: 44 (Hex)=68 (Dec) · 1 - 40 = 28 °C, where 1 °C – factor (resolution); °C – offset for calculation of values of 174. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 113 Conversion of data for verification: 11328 (Hex)=70440 (Dec) · 0.001 + 0 = 70.440 where 0.001 l – factor (resolution); – offset for calculation of values of 5054. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 114 Engine hours of operation (low word) 521171 9.5 Interference High Resolution Engine Total Fuel Used 5054 18.0 Feed chamber (high word) High Resolution Engine Total Fuel Used 5054 18.0 Feed chamber (low word) DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 115 High Resolution Engine Total Fuel Used 9.3 Cheating, 5054 (low word) 18.1 Reverse chamber Flowmeter Chamber Time Counter (low word) 521189 18.1 Reverse chamber Flowmeter Chamber Time Counter (high word) 521189 18.1 Reverse chamber DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 116 * Detailed parameters description (SPN) are placed at the following web site http://s6.jv-technoton.com (to access S6 DB registration is required). ** For DFM with firmware version 4.32 and higher. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 117: Annex E Dfm Com Data Transfer Protocol
E.1 Application The present protocol is used for data exchange of 232 and DFM 485 fuel flow meters designed by JV Technoton, Minsk, BELARUS. E.2 General info Data exchange on physical and channel level is implemented according to ANSI/TIA-485-A and TIA/EIA 232-F standards.
Page 118 <postfix> is message footer max 32 characters Characters transmitted between Prefix and Postfix stand for a total fuel consumption counter value in liters. Prefix and Postfix are set with Service S6 DFM configuration utility. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 119 Adr field contains address of the flow meter sending the Response. Fmt field defines Request type the Response is sent on. Data field values are listed in table E.5. See E.6 for CS checksum calculation instructions. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 120 Table E.6 — Malfunction codes of DFM Code Malfunction description 120 (-128) DFM error 121 (-127) Battery charge level is less than 10 % 122 (-126) Interference Event 123 (-125) Cheat (tampering) Event DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 121 >>= 1; b >>= 1; } while (--i); return crc; 3) Table method described in Dallas APPLICATION NOTE 27: Understanding and Using Cyclic Redundancy Checks with Dallas Semiconductor iButton Products. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 122: That Are Transmitted Via Can J1939/S6 Interface
High Resolution Engine Total Fuel Used. Idle. Reverse chamber 4 bytes 5054/9.1/18.1 High Resolution Engine Total Fuel Used. Optimal. Reverse chamber 4 bytes 5054/9.2/18.1 High Resolution Engine Total Fuel Used. Overload. Reverse chamber DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 123 Total Fuel Used (Reverse chamber) 2 PGN 63118 (0xF68E) 1000 ms 4 bytes 5054/9.0/18.1 High Resolution Engine Total Fuel Used. Idle. Reverse chamber 4 bytes 521189/9.0/18.1 Flowmeter Chamber Time Counter. Idle. Reverse chamber DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 124 16 bytes Mark SPN 521344 16 bytes Model SPN 521345 16 bytes Serial number SPN 521120 8 bytes Firmware version SPN 521121 4 bytes Date of production SPN 521125 DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 125 PGN 63303 (0xF747) On request 2 bytes 521434/9.0 Lliquid Consumption Correction Coefficient. Idle 2 bytes 521434/9.1 Lliquid Consumption Correction Coefficient. Optimal 2 bytes 521434/9.2 Lliquid Consumption Correction Coefficient. Overload DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 126 “Differential”/“Summation” mode using Service S6 DFM software version 1.27 and higher. - For DFM CAN single-chamber and differential flow meters (firmware version not lower than 4.63) in the “Differential”/“Summation” mode using Service S6 DFM software version 1.27 and higher. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 127 PGN 122993 Flowmeter. Counters 2 * Information on structure and parameters of messages of DFM CCAN sending data using NMEA2000 protocol can be obtained from Technoton’s technical support: support@technoton.by. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 128: Annex G Electromagnetic Compatibility Specifications
Tested bandwidth, interference, dB µV/m interference, dB µV/m Horizontal Vertical Horizontal Vertical polarization polarization polarization polarization 30…34 34…45 45…60 60…75 75…100 100…130 130…170 170…225 225…300 300…400 400…525 525…700 700…850 850…1000 DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 129: Annex H Spn Of Dfm Functional Modules
AABBB C DDDDD, where: AA – code of DFM model; BBB – digits that reflect changes product changes; C – Manufacturer code; DDDDD – sequential number. SPN is not available for editing. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 130 For each active malfunction is indicated following: - faulty nod; - malfunction name. This setting allows to monitor DFM working performance. In case of lack of active malfunctions the following message is displayed “No malfunctions”. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 131: Onboard Clock Fm
Present time is available for user for editing manually or synchronizing of date/time with computer clock. By default, time is set in UTC format (Coordinated Universal Time standard) and displayed according to local displacement. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 132: Flowmeter Fm
Figure H.3 — Window of settings of Flowmeter FM in Service S6 DFM software a) for one-chamber flow meter DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 133 Counter of total fuel consumption by the Vehicle in the “Idle” mode of engine total fuel engine operation. used/ The Counter is increasing from the date of flow meter production and 9.0 Idle cannot be reset by user. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 134 “Idle” mode of engine operation. 18.0 Feed The Counter is increasing from the date of flow meter production and chamber cannot be reset by user. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 135 “Idle” mode of engine operation. counter/ The Counter is increasing from the date of flow meter production and 9.0 Idle / cannot be reset by user. 18.0 Feed chamber DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 136 “Idle” mode of engine operation. 28.0 Clearable The Counter indications increment from the moment of its previous reset by the user. This Counter may be useful for measuring out precise portions of fuel. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 137 On the fact Factory setting of “Optimal” operation mode boundary for “Feed” chamber border/ of differential fuel flow meter. 9.1 Optimal/ The setting cannot be altered by user. 18.0 Feed chamber DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 138 1.27 and higher. ** These settings are valid only for DFM D with the firmware version not lower than 4.55, when using the service software version 1.24 and higher. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 139: Summator Dfm Fm
- no data from DFM 12; - no data from DFM 13; - no data from DFM 14; - no data from DFM 15; - no data from DFM 16. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 140 Field to activate/deactivate the summation of readings of Enable / the total fuel consumption Counter of DFM CAN flow 34.0 DFM 16 meter (network address 158) mounted in the fuel line 16. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 141: Voltage Supply Monitoring Fm
This setting is available for editing by user. mode Set value of the voltage is used as a threshold while border/ registering an important Event “High level of onboard power 2.7 Max supply”. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 142: Battery Fm
Regional Service Centers. Detailed parameters description (SPN), structure and content of messages (PGN) of FM DFM are placed at the following web site http://s6.jv-technoton.com/en (to access S6 DB registration is required). DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 143: Annex I Dfm Firmware Upgrade
In this case the internal firmware loader is activated and will try to fix DFM operation performance. Contact Technoton technical support support@technoton.by if another try is also unsuccessful. DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 144: Annex J Signal Cables
Annex J Signal cables Annex J Signal cables DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...
Page 145: Annex K Videos
4) Interactive animation video DFM fuel flow meter: selection of mounting scheme, accessories and mounting kit Link: DFM fuel flow meters: selection of installation layout, accessories and mounting kit 5) Check out YouTube channel for other Technoton videos at: https://www.youtube.com/channel/UCq7EF3DHrgl7fOWB2ynsR-A DFM fuel flow meters. Operation manual. Version 8.0 © Technoton, 2020...

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