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Technoton MasterCAN DAC15, Руководство по эксплуатации

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General information and technical specifications / Principles and modes of operation 

 

 

MasterCAN DAC J1939 i/o modules. Operation manual. Version 2.0 

 

© 

Technoton, 2018 

16

 

 

1.4 Principles and modes of operation 

 

1)

 

Mode  of  digital  to  analog  CAN-gateway

.  After  connection  to  CAN  (J1939) 

onboard bus or to 

CAN j1939/S6 Telematics interface

 MasterCAN DAC, in accordance 

with its settings, receives digital data 

(

PGN)

, sorts out parameters 

(

SPN

)

 containing 

current  data  on  fuel  consumption  and  the 

Vehicle

  operation  parameters,  converts 

SPN into analog signals, generates a physical signal in the selected output. 
 

2)

 

Mode  of  collector/converter  of  analog  signals

.  When  an  analog  signal  is 

transmitted,  MasterCAN  DAC,  in  accordance  with  its  settings,  converts  the  signal 
received into digital data (SPN) which it transmits  in generated messages (PGN) into 
CAN/S6 Telematics interface. 
 

3)

 

Combined  mode

.  MasterCAN  DAC  can  simultaneously  operate  in  Digital-analog 

gateway and Analog signal collector-converter modes. 

 

 

 

Содержание MasterCAN DAC15

Страница 1: ...J1939 I O MODULES MasterCAN DAC15 MasterCAN DAC2113 OPERATION MANUAL Version 2 0 ...

Страница 2: ...rictions 23 2 3 Power supply connection 24 2 4 Connection using S6 Technology 25 2 5 Connecting analog input 26 2 6 Connecting analog outputs 28 2 7 Connection scheme examples 30 3 MasterCAN DAC15 configuration 34 3 1 Configuration of connection via CAN j1939 S6 interface 34 3 2 Functional modules configuration 36 3 3 Serviceability check 37 4 Analog signal converter of the Vehicle standard fuel l...

Страница 3: ...uel level sensor into messages of CAN bus load current of analog inputs outputs maximum load impedance of the analog output connection diagrams for D2 discrete output 2 0 12 2018 OD The new model of MasterCAN DAC2113 J1939 i o module is added Changes in MasterCAN DAC15 delivery set are reflected A new functional feature of MasterCAN DAC15 added conversion of SPN into pulse signal The document term...

Страница 4: ...C J1939 i o modules Operation manual Version 2 0 Operation manual Document Center S6 Website Part S6 Data Base Part S6 Functional modules JV Technoton Website Part Technical support Part Software Firmware YouTube Technoton ORF 4 Website Page DUT E Page Crocodile Page GNOM Technoton Engineering Website Page MasterCAN DAC Page DFM Page FMSCrocodile ...

Страница 5: ...in devices with IoT Burger The reports transmitted contain data on instant and average values of Parameters Counters Events The flexible system of Reports setup enables the user to select the optimal ratio of the data completeness and the volume of traffic MasterCAN DAC J1939 i o modules are designed using IoT Burger Technology S6 is the Technology of combining smart sensors and other IoT devices ...

Страница 6: ...racteristics of the vehicle Route Fuel consumption Working time technical integrity Safety In includes On board report Communication channels Telematics service ORF 4 Telematics terminal Tracking device Telematics unit is a unit of Telematics system used for reading the signals of Vehicle standard and additional sensors getting location data and transmitting the data to the Server Vehicle an objec...

Страница 7: ...t signals of automotive sensors to CAN j1939 S6 ports of Telematics terminal Advantages of MasterCAN DAC complies with European automotive industry standards compliance with Units Database and cabling system S6 Technology IoT_Burger Technology provides internal data processing Parameter filtration and normalization Events logging Counters recording for easier server operation and data traffic savi...

Страница 8: ...al inputs resistive 2 pcs frequency 2 pcs analog voltage 4 pcs current discrete 12 pcs 13 adjustable signal outputs discrete 7 pcs frequency 2 pcs analog voltage 2 pcs resistive current 5 V output voltage for external devices power supply To ensure proper operation MasterCAN DAC should be connected and configured by certified professionals who have successfully passed manufacturer s technical trai...

Страница 9: ...39 S6 Telematics interface or automotive CANbus to various types of analog signals see figures 1 and 2 2 Converting analog output signals of automotive sensors to digital data of CAN j1939 S6 Telematics interface see figure 3 Application area MasterCAN DAC CAN converters are employed as part of Telematics systems in which equipment with CAN j1939 S6 digital interface is used alongside with analog ...

Страница 10: ...9 i o modules Operation manual Version 2 0 Technoton 2018 10 Figure 2 Example of MasterCAN DAC15 employment for conversion of CAN j1939 S6 Telematics interface data into analog signals Figure 3 Example of MasterCAN DAC15 employment for conversion of an analog signal into CAN j1939 S6 Telematics interface ...

Страница 11: ...f an analog signal from GNOM axle level sensors into CAN j1939 S6 Telematics interface see figure 3 2 MasterCAN DAC2113 application The availability of CAN j1939 S6 interface for MasterCAN DAC2113 enables to integrate the Vehicle operation parameters received after the conversion of signals from standard and additional analog sensors into the Telematics system using S6 Technology by means of the c...

Страница 12: ...e 1 pc 2 Specification 1 pc 3 Mounting kit 1 pc including a fuse with holder 2 A 3 A 1 pc b cable tie 20 pcs c contact pin 8 pcs d molex 4 pin connector 1 pc e molex 6 pin connector 1 pc f molex 8 pin connector 1 pc g power cable 1 pc h wire 17 pcs i S6 CW plug 2 pcs Figure 5 MasterCAN DAC15 delivery set Contains the 120 Ohms inbuilt terminal resistor 1 3 g 3 h 3 b 3 d 3 a 3 e 3 f 3 i 2 3 c ...

Страница 13: ...pcs c cable tie 25 pcs d contact pin 8 pcs e molex 2 pin connector 1 pc f molex 4 pin connector 1 pc g molex 8 pin connector 1 pc h molex 12 pin connector 1 pc i molex 16 pin connector 1 pc j self tapping screw 6 3x25 4 pcs k screw M6x25 4 pcs l nut M6 4 pcs m washer 6 4 pcs n lock washer 6 65 4 pcs o S6 cable 1 pc p wire 42 pcs Figure 6 MasterCAN 2113 delivery set Contains the 120 Ohms inbuilt te...

Страница 14: ...te 2 resistive outputs 3 IN OUT connector analog voltage input frequency and analog voltage output frequency pulse 4 POWER connector Vehicle onboard circuit connection 5 S6 connector connection using CAN j1939 S6 interface 6 red CAN LED indicator for data transmission via CAN j1939 S6 interface 7 green POWER LED indicator to indicate the power supply in the onboard circuit Figure 5 MasterCAN DAC15...

Страница 15: ...nector connection via CAN j1939 S6 interface 6 5 V OUT connector power supply connection 5 V 30 mA for external devices 7 A connector resistive outputs 2 pcs 8 B connector frequency 2 pcs analog voltage 4 pcs current 1 pc inputs 9 C connector discrete inputs 12 pcs 10 D connector discrete 7 pcs frequency 2 pcs current 1 pc resistive 1 pc analog voltage 2 pcs outputs Figure 8 MasterCAN DAC2113 exte...

Страница 16: ... data PGN sorts out parameters SPN containing current data on fuel consumption and the Vehicle operation parameters converts SPN into analog signals generates a physical signal in the selected output 2 Mode of collector converter of analog signals When an analog signal is transmitted MasterCAN DAC in accordance with its settings converts the signal received into digital data SPN which it transmits...

Страница 17: ...in specifications Table 1 MasterCAN DAC main specifications Parameter measurement units Value MasterCAN DAC15 MasterCAN DAC2113 Digital interface CAN j1939 S6 Power supply range V 9 45 Current consumption at 12 24 V mA not more than 100 50 Ambient operation temperature range C 40 85 Ingress protection rating IP40 Overall dimensions mm not more than see figure 9 see figure 10 Weight kg not more tha...

Страница 18: ...Technology as well as selection of necessary PGN and SPN is performed via K Line interface ISO 14230 using Servicse S6 MasterCAN software can be downloaded from https www jv technoton com Software Firmware MasterCAN DAC receives transmits data automatically default mode or on request Baudrate can be selected from the following values 100 125 250 500 1000 kbit s default rate 250 kbit s After the co...

Страница 19: ...3 Specifications of signals for MasterCAN DAC15 analog outputs Signal type measurement units Value Voltage V 0 5 9 Frequency kHz 0 01 10 Pulse Amplitude V Duration ms 0 5 9 40 250 Current mA 4 20 Discrete V upper branch supplied U PS level 0 0 level 1 U PS Discrete V inverse lower branch supplied GND see annex B level 0 10 without connecting the load level 1 0 Resistive kOhm 0 015 50 UPS onboard c...

Страница 20: ...t units Value Voltage V 0 5 10 Current mA 4 20 Resistive kOhm 0 015 50 Discrete V upper branch supplied U PS level 0 5 U PS level 1 80 U PS Discrete V inverse lower branch supplied GND level 0 5 U PS level 1 80 U PS Frequency kHz amplitude 3 3 V 0 01 10 Frequency kHz amplitude 5 V Frequency kHz amplitude 8 V Frequency kHz amplitude U PS UPS onboard circuit voltage Notes 1 The maximum current of th...

Страница 21: ...tions Technical specifications Overall dimensions MasterCAN DAC J1939 i o modules Operation manual Version 2 0 Technoton 2018 21 1 5 4 Overall dimensions Figure 9 MasterCAN DAC15 overall dimensions Figure 10 MasterCAN DAC2113 overall dimensions ...

Страница 22: ...mmended to carefully study through the electrical circuit diagram and the Operation manual for the vehicle wher MasterCAN DAC is mounted 3 Check the quality of the chassis ground of the vehicle Resistance between any point of chassis and the clamp of the battery should not exceed 1 Ohm 2 1 Exterior inspection prior to starting works It is required to conduct MasterCAN DAC exterior inspection for t...

Страница 23: ...nt MasterCAN DAC you need to select a dry location protected from aggressive impact of the environment MasterCAN DAC should not be mounted near heating and cooling devices e g the climate control system We also do not recommend to install MasterCAN DAC close to the vehicle power electric circuits A suitable location to mount MasterCAN DAC is inside driver s cabin ...

Страница 24: ... power supply cables see figure 11 Figure 11 Terminals 1 Power supply for MasterCAN DAC15 is connected according to the designation of contacts of POWER connector and the colour of wires in accordance with table 6 During the operation of MasterCAN DAC15 using S6 Technology its the power supply is provided through S6 connector see 2 4 In this case you don t need to connect power supply to POWER con...

Страница 25: ...ack K Line Digital ISO 14230 Standard To provide power supply for CANCrocodile only in case of CANCrocodile connection to MasterCAN DAC15 For MasterCAN DAC configuration and firmware update ATTENTION 1 To ensure correct data transmission via CAN J1939 communication line in case of MasterCAN DAC connection to the Telematics terminal that has no inbuilt terminal resistor connect S6 CW plugs see Deli...

Страница 26: ...it Designation Signal Parameters 4 AFin I1 Red Analog frequency input See 1 5 3 table 2 2 AFin Brown 2 MasterCAN DAC2113 analog inputs are connected to signal wires of analog voltage frequency in compliance with the designation of contacts of A B C connectors and the colour of the wires see table 10 Table 10 Connection of MasterCAN DAC2113 analog inputs A B C connectors Connector Pinout Connector ...

Страница 27: ...ntact group Wire Color Circuit Designation Signal Parameters We recommend to purchase and use connectors to connect MasterCAN DAC to the corresponding wires of the vehicle see figure 13 Figure 13 Connectors C C1 DinL 21 Gray Discrete input C7 DinL 20 C2 DinL 19 C8 DinL 18 C3 DinL 17 C9 DinL 19 C4 DinL 15 C10 DinL 14 C5 DinL 13 C11 DinL 12 C6 DinH 11 Violet C12 DinH 10 See 1 5 3 table 4 ...

Страница 28: ...of OUT connector see table 12 Table 11 Connection of MasterCAN DAC15 analog output IN OUT connector Connector Pinout Connector Contact Number Wire Marking Contact group Wire Color Circuit Designation Signal Parameters 3 AFout O1 Red Analog frequency output See 1 5 3 table 3 1 AFout Brown Analog frequency pulse output Table 12 Connection of MasterCAN DAC15 analog outputs OUT connector Connector Pin...

Страница 29: ...3 Connection of MasterCAN DAC2113 analog outputs D connector Connector Pinout Connector Contact Number Wire Marking Contact group Wire Color Circuit Designation Signal Parameters D D1 DoutL 34 Gray Discrete output See 1 5 3 table 5 D9 DoutL 33 D2 GND Brown Ground D10 DoutH 32 Violet Discrete output See 1 5 3 table 5 D3 DoutH 31 D11 DoutH 30 D4 DoutH 29 D12 DoutH 28 D5 Fout 27 Yellow Frequency outp...

Страница 30: ...to analog inputs of Telematics terminal ATTENTION We recommend to purchase and use CANCrocodile contactless reader to connect MasterCAN DAC15 to the vehicle CAN bus detailed information on specifications and instructions for connecting the above devices is available at https www jv technoton com Figure 15 Connecting MasterCAN DAC15 for CAN j1939 S6 Telematics interface data conversion to analog in...

Страница 31: ...5 to convert the analog output signal of GNOM DDE axle load sensor into CAN S6 input of the Telematics terminal MAZ 8099 electromechanical automobile dashboard is taken as an example with the factory settings of MasterCAN DAC15 physical outputs set in accordance with table A 2 In case of additional adjustment of physical outputs the data provided to the dashboard may be different It is allowed to ...

Страница 32: ...og signal of GNOM DDE axle load sensor into CAN j1939 S6 input of the Telematics terminal MAZ 8099 electromechanical automobile dashboard is taken as an example with the factory settings of MasterCAN DAC15 physical outputs set in accordance with table A 2 In case of additional adjustment of physical outputs the data provided to the dashboard may be different It is allowed to connect dashboards of ...

Страница 33: ...gnal from standard and additional sensors into CAN S6 input of the Telematics terminal MAZ 8099 electromechanical automobile dashboard is taken as an example with the factory settings of MasterCAN DAC2113 physical outputs set in accordance with table A 2 In case of additional adjustment of physical outputs the data provided to the dashboard may be different It is allowed to connect dashboards of a...

Страница 34: ... Address SA enter the inique ID address of the Unit which is part of CAN j1939 S6 Telematics interface This address is also used during the Unit configuration using K line interface For MasterCAN DAC15 it is allowed to use the addresses 126 or 146 126 by default while for MasterCAN DAC2113 127 or 147 127 by default 3 From the dropdown list CAN Baudrate select the required Baudrate from the followi...

Страница 35: ...n Configuration of connection via CAN j1939 S6 interface MasterCAN DAC J1939 i o modules Operation manual Version 2 0 Technoton 2018 35 Figure 20 Configuration of MasterCAN DAC connection parameters using CAN j1939 S6 interface ...

Страница 36: ...e uses data of S6 Database detailed description can be found and the web pages of S6 Telematics interface For each SPN prompt messages containing the range of data discreteness the unit of measurement are displayed in the software Automatic control of correctness of values entered is provided in the fields for editing settings SPN list of Functional modules of MasterCAN DAC which can be configured...

Страница 37: ... is connected properly readings of LED indicators on its casing should correspond to the readings in table 14 Table 14 Description of MasterCAN DAC LEDs LED indicator Signal description Marking Status Light color POWER Green Power supply is on No signal Power supply is off or voltage is less than minimum required CAN Red 1 Transmit request to receive PGN in digital analog gateway mode 2 Transmit P...

Страница 38: ...umption accrording to SAE J1939 protocol MasterCAN DAC15 Converter may be used as an intellectual tool to convert the analog frequency output signal of a standard fuel level sensor into digital data SPN of CAN bus and transmit it to CAN j1939 S6 Telematics interface MasterCAN DAC15 in combination with FMSCrocodile contactless reader converter is a convenient solution enabling to monitor the maximu...

Страница 39: ...MasterCAN DAC15 internal non volatile memory i e table of the analog frequency signal correspondance of a standard fuel level sensor to the output SPN value MasterCAN DAC15 converts the current values of the analog frequency signal in accordance with points of the calibration table maximum 10 points of a standard fuel level sensor into SPN IMPORTANT The calibration table is created in the course o...

Страница 40: ...DAC15 b MasterCAN DAC2113 Figure 22 Packaging Label sticker with information containing product name serial number firmware version manufacture date weight and also Quality Control stamp and QR code is placed on two sides of the MasterCAN DAC15 box see figure 23 a MasterCAN DAC15 b MasterCAN DAC2113 Figure 23 Packaging label Note label design and contents can be modified by the manufacturer ...

Страница 41: ...ored in dry closed places MasterCAN DAC storage is allowed only in original packaging at temperature range from 50 to 40 C and relative humidity up to 98 at 25 C Do not store MasterCAN DAC in the same room with substances that cause metal corrosion and or contain aggressive impurities MasterCAN DAC shelf life must not exceed 12 months ...

Страница 42: ...nded in closed transport that provides protection from mechanical damage and precipitation When transporting by air MasterCAN DAC 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 MasterCAN DAC should be sealed ...

Страница 43: ...echnoton 2018 43 8 Utilization re cycling MasterCAN DAC does not contain harmful substances and ingredients that are dangerous to human health and environment during and after the end of life and recycling MasterCAN DAC does not contain precious metals in amount that should be recorded ...

Страница 44: ... o modules Operation manual Version 2 0 Technoton 2018 44 Contacts Manufacturer Tel Fax 375 17 240 39 73 https www jv technoton com http s6 jv technoton com E mail marketing technoton by Technical support E mail support technoton by ...

Страница 45: ...ta operation time recording and also active and saved malfunctions Figure A 1 Window of settings of Self diagnostics FM in Service S6 MasterCAN software Table A 1 Self diagnostics FM SPNs displayed and or editable in Service S6 MasterCAN software SPN Name Factory value Unit of measure Clarification Unit passport PGN 62995 521120 Serial number On the fact No Serial number is a set of numbers that i...

Страница 46: ...oduction date of the MasterCAN DAC The user can not reset the value of this counter It can be reset by the Manufacturer or RSC only Passwords PGN 63017 521593 3 3 Password 3 3 Installer 1111 No Password is entered for user authorization while establishing connection session between MasterCAN DAC and service Software Password is a specific combination of four digits By default used Login 0 password...

Страница 47: ...re Figure A 3 Pulse output settings Table A 2 Digital to analog gate DAC15 FM SPNs displayed and or editable in Service S6 MasterCAN software SPN Name Factory value Unit of measure Data Range Clarification Outputs settings PGN 63092 contact group O1 see 2 6 521352 Output number No No 0 255 Choosing Unit s contact group O1 of analog frequency physical output 521150 PGN 61444 Electronic engine contr...

Страница 48: ...PN is changing Maximum quantity of calibration points is 10 Software depicts a chart of output analog signal dependence on SPN values in correspondence with calibration table Pulse output settings PGN 63210 521274 Impulse value 0 000100 m3 0 4294970000 The volume of fuel that has passed the flow meter chamber and which corresponds to one its output pulse is specified The pulse value is specified i...

Страница 49: ...e parameters or from extended list of S6 database 1214 SPN No No 0 524287 Selecting SPN which should be converted to discrete signal from the group of parameters of specified PGN 521188 S6 Address SA No No 0 255 Specifying network address of Unit from which selected PGN is received If SA is 255 selected PGN will be received from any Unit of CAN j1939 S6 Telematics interface CAN bus 521361 PGN requ...

Страница 50: ...ation table of output resulted from conversion of corresponding values of SPN parameters By default the table contains 0 and 1 points corresponding to extreme values of range where SPN is changing Software depicts a chart of output discrete signal dependence on SPN values in correspondence with calibration table 521348 Signal output value 1 0 On the fact 0 4294970000 Specifying discrete value for ...

Страница 51: ...or calibration table points By default the table contains two points corresponding to extreme values of range where SPN is changing Maximum quantity of calibration points is 10 Software depicts a chart of output resistive signal dependence on SPN values in correspondence with calibration table 521348 Signal output value 780 560 405 285 200 Ohm On the fact 0 4294970000 Specifying resistive value fo...

Страница 52: ...output PGN which should include SPN converted from analog or frequency signal PGN can be selected in Software from the priority list containing the most important Vehicle parameters or from extended list of S6 database 1214 SPN 582 Axle weight No 0 524287 Selecting SPN which should be converted from analog or frequency signal 521188 S6 Address SA 126 No 0 255 Specifying SA network address of Unit ...

Страница 53: ...SPN is changing Maximum quantity of calibration points is 10 Software depicts the chart of converted parameters of SPN values dependence on values of input signal in correspondence with calibration table 521347 SPN value 0 10000 kg On the fact 0 4294970000 Specifying values of converted SPN for points of calibration table By default the table contains two points corresponding to extreme values of ...

Страница 54: ...date month Used during Events registration 962 Day On the fact d 0 62 5 Present date day Used during Events registration 964 Year On the fact year 1985 2235 Present date year Used during Events registration 1601 Local minute offset 0 min 0 59 Time displacement in minutes in relation to Coordinated Universal Time that matches with local time Time zone It is activated and available for editing when ...

Страница 55: ...onboard power network voltage current mode of power network operation time of Vehicle in different power network modes quantity of engine starts exceeding permissible time of continuous operation of starter This FM is created only for MasterCAN DAC2113 model Preparation for release Figure A 6 Operation modes on onboard network ON voltage level Figure A 7 Window of settings of Vehicle power supply ...

Страница 56: ...s A 6 and A 7 521065 Engine Starter Voltage Level 0 91 0 1 99 Field for entering value of voltage level starter is running i i when Vehicle s engine is starting 0 91 Unom see figures A 6 and A 7 521067 Low Voltage Level 0 75 0 1 99 Field for entering value of low voltage level of ON 0 75 Unom Entered value of voltage is used as a threshold for recording Faulty ON Event see figures A 6 and A 7 5210...

Страница 57: ...reated only for MasterCAN DAC2113 model Figure A 8 Window of settings of Analog Gateway FM in Service S6 MasterCAN software Table A 6 Analog Gateway FM SPNs displayed and or editable in Service S6 MasterCAN software SPN Name Factory value Unit of measure Range Clarification Channels list PGN 63175 521355 Array elements count No pc 0 34 Total number of adjustable channels for MasterCAN DAC2113 Mast...

Страница 58: ...the Unit channel which is being configured is displayed see PGN 63175 521150 PGN On the fact On the fact 0 65535 During the configuration of input channels the output PGN comprising SPN parameter which is converted from the input analog signal is entered For correct operation of MasterCAN DAC2113 it is not recommended to assign different SPN from one PGN to different inputs of the Unit During the ...

Страница 59: ... the output calibration table By default the table contains two points corresponding to the limit values of SPN range of changing values You may enter 10 calibration points at a maximum The software displays the diagram of dependence of the output analog signal on SPN values in accordance with the calibration table 521377 Signal value On the fact On the fact 0 4294970000 During the configuration o...

Страница 60: ...e as well as additional information if any are specified Events are displayed in chronological sequence starting from the most recent As soon as the maximum possible number of the Events displayed is reached new Events are recorded over the preceding ones the earliest Events being deleted first List of informative Events PGN 63056 521166 SPN Events No No A list of information Events is displayed u...

Страница 61: ...than 3 power of impact no more than 0 05 Wt Uout_max 5 V Frequency Input 10 Hz 10 kHz active level Low FinA Working range 10 Hz 10 kHz conversion error no more than 5 active level Low 0 10 UPS I 0 1 mA Umax 48 V Frequency Input 10 Hz 10 kHz active level High FinB Working range 10 Hz 10 kHz conversion error no more than 5 active level High 10 UPS UPS Rin 6 6 kOhm I 0 1 mA Umax 48 V Discrete Output ...

Страница 62: ...conversion error no more than 5 Pmax 2 Wt Frequency Output 10 Hz 10 kHz 3 3 V FoutA Working range 10 Hz 10 kHz conversion error no more than 5 amplitude 3 3 V Rout 3 3 kOhm Frequency Output 10 10 kHz 5 V FoutB Working range 10 Hz 10 kHz conversion error no more than 5 amplitude 5 V Rout 3 3 kOhm Frequency Output 10 10 kHz 8 V FoutC Working range 10 Hz 10 kHz conversion error no more than 5 amplitu...

Страница 63: ...s signal output the high voltage level is 10V see figure C 1 In case of connection of active load to descrete output D2 the high voltage level is equal to UPS see figure C 2 UPS Vehicle onboard circuit High level 10 V 0 or 1 Low level 0 V 0 or 1 Figure C 1 Connection diagram of D2 discrete output used as signal output RL active load UPS Vehicle onboard circuit voltage High level UPS 0 or 1 Low lev...

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