User`s manual. Connection to the CAN-bus
Contents
1. 00 00 00 32 00 00 00 00 00 00 01 2A 00 08 00 00 03 03 28 60 00 SF 78 A9 00 00 00 1C 78 78 78 A9 ID 38C 8 00000000 00 00 00 00 CAN End scan Picture 10 Configuring scanning of CAN bus in the Configurator The scanning mode works as follows 1 1 The CAN Start scan message is displayed 1 2 CAN bus messages in identifiers ascending order with the established delay start being displayed 29 bit identifiers are displayed in the following format D 00000009 8 01 02 03 04 05 06 07 08 where ID 29 bit message identifier 8 the number of received bytes from the bus 01 02 03 04 05 06 07 08 an 8 byte message the lower byte on the left the high byte on the right 11 bit identifiers are displayed as D 009 8 01 02 03 04 05 06 07 08 where ID 11 bit message identifier 8 the number of received bytes from the bus 01 02 03 04 05 06 07 08 an 8 byte message the lower byte on the left the high byte on the right 1 3 After all the identifiers have been displayed you can see the CAN End scan message 2 FMS mode standard filter of J1939 protocol In case the manufacturer of the vehicle generally it is producers of heavy load equipment the agricultural equipment supports the FMS standard the choice of this mode allows you to get and decrypt the messages conforming to the FMS standard automatically 2 1 total fuel consumption the amount of fuel the vehicle has used since it2. High CAN High CAN Low CAN Low Picture 7 The scheme of direct connection of the terminal to the CAN bus ATTENTION Use this way of connection only in extreme cases we recommend to use contactless readers SPA GalileoSky LLC Page 3 User s manual Connection to the CAN bus The main way of connection to the CAN bus is the connection with use of the diagnostic OBD II socket appearance and contact pin assignments are shown in Pic 8 Socket vehicle side 1 Manufacturer s option 9 2 J1850bus 10 3 Manufacturer s option 11 4 General body 12 5 General signal 13 6 CAN J2234 High 14 7 180 9141 2 K Line 15 8 Manufacturer s option 16 Manufacturer s option J1850 bus Manufacturer s option Manufacturer s option Manufacturer s option CAN J2234 Low ISO 9141 2 K Line Battery power Picture 8 The scheme of diagnostic OBD II socket Before connection of the terminal to the diagnostic socket it is necessary to carry out the following actions 1 use contacts 6 CAN H and 14 CAN L for connection 2 check the voltage at the contacts with regard to negative power supply CAN H should have the voltage of 2 5 2 8 V and CAN L should have the voltage of 2 1 2 3 V 3 check the resistance between CAN_L and CAN_H contacts when vehicles electronics is off The resistance of about 60 Ohm is considered to be normal At indication of 120 Ohm in case of lack of the matching resistor install a
3. number transmitted to the server will be displayed in the column Value 3 5 press Apply button 3 6 to send received data to the monitoring server go to the Settings tab gt Protocol of the Configurator configure the main packet to transmit the chosen tags to the server Pic 15 and press Apply button Security Data transmission Protocol Power saving Track u Internal archive summary Internal flash memory dynamic archive size 169 Head packet Main packet CANI6BITRO CAN LOG Axle 1 weight CANI6BITR1 CAN LOG Axle 2 weight CANI6BITR2 CAN LOG Axle 3 weight CANI6BITR3 CAN LOG Axle 4 weight CANI6BITR4 CAN LOG Axle 5 weight CAN32BITRO CAN LOG Engine total hours Picture 15 Selection of parameters to be sent to the monitoring server ATTENTION It is possible that the diagnostic OBD II socket may be connected not to the CAN bus but to one of the units for example to a combination of devices Pic 5 and as a result the terminal can t listen the bus and receive identifiers In this case you should give the ActiveCAN 1 command SPA GalileoSky LLC Page 8 User s manual Connection to the CAN bus Command format ActiveCAN OnOff Parameters OnOff operating mode 0 passive mode packets receiving confirmations are not sent to the CAN bus It is a Safe mode of operation It does not interfere with the on board equipment 1 ac
4. resistor of 120 Ohm parallel to the contacts Operating protocols and options for the terminal settings The terminal allows you to receive data from the CAN bus of a vehicle if it supports the following protocols 1 J1939 FMS When working via this protocol the terminal doesn t transfer the message to the CAN bus doesn t make any changes to operation of the car and doesn t send confirmations to packets from car units 2 J1979 This protocol works on the principle of request response it means that the terminal sends requests to the CAN bus All configuration of the terminal to receive data from the CAN bus can be produced in two ways 1 On the Settings tab gt CAN of the Configurator Pic 9 SPA GalileoSky LLC Page 4 User s manual Connection to the CAN bus 4 configurator 3 2 10 S GALILEOSK ecuri ata transmission rotoco ower saving ta Out Digital inputs Sound Signaling settings CAN Geofence Device sound ee p E E i a Troubleshooting i i S iam Commands Ka Data oy Routs 5 iButton Picture 9 Setting for receiving data from the CAN bus in the Configurator 2 using CanRegime command Command format CanRegime Mode BaudRate TimeOut Parameters Mode operating mode O CAN interface is off and is not used 1 CAN bus scanner 2 standard FMS filter 3 user filter29 bit e 4
5. user filter 11 bit BaudRate bus rate It must be the same as the vehicle bus rate It can have the following values from 10000 up to 500000 Typical valuations 62500 125000 250000 500000 TimeOut measured in msec For CAN SCANER mode it is response latency If it is too small not all bus messages will be received The recommended time for CAN SCANER is 2000 msec For all the rest modes it is time to receive at least one message otherwise the value will be set to zero Explanation General CAN bus control Example Example Enable scanner for a 250000 b sec bus with the message answer latency equal to 2 sec Request CanRegime 1 250000 2000 Reply CANREG Mode 1 BaudRate 250000 TimeOut 2000 Modes of operation The terminal can operate in several modes that allow you to find the best way to get information from the vehicle CAN bus 1 J1939_SCANER mode This mode is designed to receive CAN messages transferred via J1939 protocol Speeds from 10000 bits per second to 500000 bits per second standard values 62500 12500 250000 500000 are supported The 11 bit and 29 bit identifiers are supported For work in this mode choose one of parameters of bus speed and delay time a message receive timeout on the Settings tab gt CAN of the Configurator in this case the filter type doesn t matter Pic 10 Press Listen CAN button In case of successful settings received data will be displayed in the right
6. 00 00 00 09 00 F9 FF 00 00 00 00 00 60 00 00 FF FF 00 00 00 00 00 00 00 00 49 05 DO OF 00 00 00 00 00 00 00 00 00 00 00 0400 05 40 00 00 00 00 03 00 00 00 00 00 00 00 00 85 185 00 00 00 FB 000205 00 00 00 00 00 00 00 08 00 0 81 25 FA 00 1E 56 F9 ED 00 66 73 2300 10 00 00 00 00 00 00 00 00 00 53 54 40 80 00 69 50 05 010001000106 00 00 JA BC BE AA D400 8102 amp C 00 00 00 00 00 FE FD Picture 14 Setting a custom filter J1939 mode 3 1 listen CAN bus messages having executed actions according to the description of J1939_ SCANER Mode given above 3 2 select the filter type J1939 custom filter 29 or 11 bit identifiers 3 3 ask your dealer or car manufacturer which data in the identifiers are responsible for work of this or that unit of the vehicle These data can be stored in one two or four bytes in identifiers 3 4 establish compliance between data in identifiers and one byte two byte and four byte tags of the GalileoSky protocol i e if in the interesting identifier from all accepted data only one byte is necessary it is more reasonable to compare a one byte tag From the useful information received on this identifier it is possible to choose that part of bytes which have to be filled in tag contents by means of shift Execute these operations as follows 3 3 1 specify the identifier in the first column of the table 3 3 2 choose the corresponding tag 3 3 3 specify the shift visually using a mouse the
7. User s manual Connection to the CAN bus Necessary tools devices materials To connect a GalileoSky terminal hereinafter terminal to the vehicle CAN bus hereinafter vehicle one should have 1 Electrical tools Picture 1 2 Set of connecting wires connecting USB cable cable of connection to the diagnostic socket OBD II Picture 2 3 Windows based computer with the installed program of configuration of GALILEOSKY terminals Configurator It is recommended to install the latest version of the program from the site http 7gis ru support konfigurator html t Picture 3 SPA GalileoSky LLC Page 1 User s manual Connection to the CAN bus 4 The measuring device a multimeter Picture 4 General information Industrial real time CAN network is a network with acommon communication environment and consists of units with their own clock generators for example dashboard or subsystem of definition of temperature in the vehicle Pic 5 Any unit of the CAN network sends a message over the network and each unit of the system decides whether this message concerns to it To solve this task CAN has a hardware implementation of message filtering CAN controllers are connected using the differential bus which has two lines CAN_H Can High and CAN_L Can Low through which signals are transmitted Engine control AoT Guard system ABS system transmission unit control unit control uni
8. ocol support Bus rate and Filter type parameters are established automatically As the last parameter OBD Il 29 bit identifiers standard filter of the J1979 protocol for 29 bit identifiers or OBD II 11 bit identifiers standard filter of the J1979 protocol for 11 bit identifiers can appear Automatically retrieved and decrypted messages transferred via J1979 protocol are displayed on the Device tab Pic 17 4 1 tank fuel level measured in percent 0 empty 100 full 4 2 coolant temperature 4 3 engine speed 4 4 errors codes CAN Fuel consumption 0 0 Fuel level 68 0 Engine coolant temperature C 130 Engine speed rpm 5 461 250 Mileage km 0 0 Picture 17 The results of analysis of data from the CAN bus via J1979 protocol ATTENTION Scanning on the J1979 protocol and enabling OBD II 29 bit identifiers and OBD Il 11 bit identifiers can cause problems in the operation of on Board equipment of the vehicle SPA GalileoSky LLC Page 9 User s manual Connection to the CAN bus To send received data to the monitoring server go to the Settings tab gt Protocol of the Configurator configure the main packet to transmit tags CAN _A1 CAN16BITRO CAN16BITR4 to the server Pic 18 and press Apply button Internal archive summary Internal fash nemory dynamic archive size 141 Head packet Main packet CANI6BITRO CAN LOG Axle 1 weigh
9. panel SPA GalileoSky LLC Page 5 User s manual Connection to the CAN bus Security Data transmission Protocol Power saving Track In Out Digital inputs Sound Signaling settings CAN Geofence Baud rate 250000 Diagnostics Filter type disabled X Receive timeout 2000 Don t reset data after disconnecting from bus ms gt Listen CAN gt Test 8D 11 fim Open H Save CANid Protocoltag Offset Value CAN Start scan ID 022 8 ID 023 7 ID 025 8 ID 084 8 ID 0BA 4 ID 223 8 ID 224 8 ID 237 6 ID 2C1 8 ID 2C4 8 ID 2C7 1 ID 2D0 8 ID 2D2 1 ID 2E1 1 ID 320 3 ID 387 8 ID 389 3 ID 38A 5 ID 38C 8 ID 38E 8 ID 39F 1 ID 361 8 ID 383 3 ID 388 4 02 00 01 FE 00 00 00 28 01FD 01F8 00 00 24 2C OF FF 00 06 78 78 78 A9 00 00 00 00 20 00 00 DC 01FE 0A C7 08 80 43 B4 00 20 00 00 00 00 00 40 00 00 00 00 00 00 00 08 00 00 FO 60 00 S amp F 00 08 08 00 1200 1290 00 87 030200 18 08 80 43 B6 00 00 00 00 10 00 00 BS 05 AE 09 00 20 00 00 B6 00 00 00 00 10 00 23 2C 00 00 00 00 10 00 43 B6 10 00 36 00 00 09 29 4A 00 00 00 00 00 00 SF SF 00 20 00 00 00 00 00 08 00 00 05 00 00 00 00 40 08 00 00 00 00 00 39 39 20 40 00 00 00 00 00 00 09 FF 00 06 828282 C7 00 00 00 00 10 00 SF SF 49 00 00 00 60 OF EOBS 07 26 00 18 08 80 43 B4 00 00 00 00 00 03 78 A9 00 00 00 00 00 6E 00 00 00 40 00 00 00 00 00 00
10. t CANI6BITRI CAN LOG Axle 2 weight CANL6BITR2 CAN LOG Axle 3 weight CANIL6BITRS CAN LOG Axle 4 weight CANI6BITR4 CAN LOG Axle 5 weight K E m ol lt E E Picture 18 Selection of parameters to be sent to the monitoring server Monitoring software configuring Connection of the terminal to the CAN bus ends with checking the correctness of data transmission to the monitoring server Pic 19 n_b0 0 gps_mileage 0 ibuttons 0 can_r18 256 can_r19 6167 can_r20 n_b0 0 gps_mileage 0 ibuttons 0 can_r18 5889 can_r19 24 can_r20 0 a taho 814 a _b0 0 gps_mileage 0 ibuttons 0 can_r18 5889 can_r19 24 can_r20 0 can_a1 369654601 fuel_level 29 temp_aqua 83 taho 705 dan_b0 0 gps_mileage 0 ibuttons 0 can_r18 5889 can_r19 24 can_r20 0 Can_a1 423656519 fuel_level 28 4 temp_aqua 84 taho 808 dan_b0 0 gps_mileage 0 ibuttons 0 can_r18 5889 can_r19 24 can_r20 0 an_31 378043463 fuel_level 28 4 temp_aqua 84 taho 721 cgn_b0 0 gps_mileage 0 ibuttons 0 can_r18 5889 can_r19 24 can_r20 0 6 822 can_b0 0 gps_mileage 0 ibuttons 0 can_r18 5889 can_r19 24 can_r2 Picture 19 Displaying the indications in the program of monitoring server Connection of the CAN bus of the vehicle to the GalileoSky terminal is completed the terminal is ready to operate SPA GalileoSky LLC Page 10
11. t control unit CAN High Ri 120 CAN Low Diagnosticsocket Airbag control inati Door vehicle OBDII unit control unit Diagnosticsocket Picture 5 Standard scheme of the CAN bus The CAN bus protocol is implemented in two versions version A sets 11 bit identification of messages i e there can be 2048 messages in the system version B 29 bit identification of messages 536 million messages SPA GalileoSky LLC Page 2 User s manual Connection to the CAN bus Connection to the CAN bus Connection of the terminal to the CAN bus on a vehicle is possible in two ways 1 connection to the diagnostic OBD II socket which is present on the majority of vehicles as a rule Connection is carried out according to the scheme shown in Picture 6 GalileoSky v5 0 GalileoSky v1 8 5 v2 2 8 v4 0 1820308485 9g 081 1121 Picture 6 The scheme of connection of the terminal to the diagnostic socket 2 direct connection to the CAN bus if there is no diagnostic socket or if the CAN lines are not brought to it and if it does not contradict conditions of the warranty service Connection is to be carried out as follows dismantle the part of the dashboard find twisted CAN pair and connect to it in accordance with the scheme of the Picture 7 GalileoSky v5 0 GalileoSky v1 8 5 v2 2 8 v4 0 a Le e ee lt chelecistele tietels CAN_L CAN
12. tion of parameters to be sent to the monitoring server 3 J1939_USER_29bit and J1939_USER_11bit modes configured custom filters identifier length is 29 bit or 11 bit These modes enable us to receive 29 bit or 11 bit identifiers messages from the vehicle CAN bus according to J1939 protocol The presence of the transmitted data can be determined using J1939 SCANER mode Pic 10 As a rule these modes are used if the data received on the FMS standard are not enough or the FMS standard isn t supported but data on the J1939 protocol are present at the bus Configure received data binding to the GalileoSky protocol tags Pic 14 in the following order SPA GalileoSky LLC Page 7 5 Baud rate Filter type Receive timeout 2000 CAN id 31939 custom filter Libitids Value CANIGBITRO 00 00 FB 00 02 05 00 00 1282 CANS2BITRO 00 00 00 00 03 00 00 OO 196608 T User s manual Connection to the CAN bus 10 002 8 1D 231 8 10 232 8 1D 235 8 10 251 8 10 252 8 ID 253 8 ID 291 8 ID 331 8 ID 332 8 10 333 8 1D 334 8 1D 351 8 ID 352 8 ID 391 8 ID 36 1 8 ID 431 8 ID 432 8 ID 451 8 ID 452 8 ID 461 8 ID 705 8 ID 706 8 CAN Geofence CAN Iteration CAN Start scan 00 IF 70 06 94 00 00 00 6402000000 10 27 62 E5 25 10 27610C 2000 0009 61340488 00 00 00 00 00 00 00 00 00 FE 60 00 0065008109 SC 02 31 70 10 44 3 00 00 0400
13. tive mode packets receiving confirmations are sent to the CAN bus Explanation Control of packets confirmation sending to the CAN bus Confirmation sending may be necessary at connection to the troubleshooting socket if the data cannot be read in passive mode Example Request ActiveCAN 1 Reply ACTIVECAN 1 Use this command only in the above situation and with care because in this mode the terminal emulates the operation of the units of the car 4 J1979_SCANER mode this mode is used to define data transfer rate and identifier length according to J1979 protocol The rate of 250000 bits per second and 500000 bits per second 11 bit and 29 bit identifiers are supported To enable this mode in the Configurator on the Settings tab gt CAN press Test OBD II button Pic 16 Seawity Data transmission Protocol Power saving Track In Out Digitalinputs Sound Signaling settings CAN Geofence Baud rate 500000 Diagnostics Filter type OBD 11 11bitids z gt Listen CAN gt Test OBD It B Open H save Receive timeout 2000 ms CAN Iteration CAN Start OBD2 scan CAN id Protocoltag Offset Value CAN 500000 buad CAN Request 11bit ok CAN Recv msg 0x7e8 0x98004106 0x00 138038 CAN Detect ok CAN OBD2 scan end Picture 16 Selecting the operating mode under J1979 protocol The terminal sends a test message In case of J1979 prot
14. was made 2 2 tank fuel level measured in percent 0 empty 100 full 2 3 coolant temperature 2 4 engine speed 2 5 total mileage ATTENTION Many manufacturers support FMS protocol partially or do not support it at all For work in this mode choose the filter type FMS and bus speed 250000 on the Settings tab gt CAN of the Configurator Pic 11 Press Apply button The second variant of setting give the CanRegime 2 250000 2000 command on the Commands tab SPA GalileoSky LLC Page 6 User s manual Connection to the CAN bus Security Data transmission Protncol_ _Power saving Wack an Baud rate 250000 Filter type FMS Receive timeout 2000 ms Don t reset data after disconnecting from bus Picture 11 FMS mode setting in the Configurator Make sure the terminal receives bus data and sends them to the Device tab in the Configurator Pic 12 CAN Fuel consumption 1 431655 765 0 Fuel level Engine coolant temperature C Engine speed rpm Mileage km 14 316 557 650 Picture 12 The results of analysis of data from the CAN bus via FMS standard To send the received data to the monitoring server go to the Settings tab gt Protoco of the Configurator configure the main packet to transmit CAN bus data to the server Pic 13 and press Apply button Head packet Main packet E m E Picture 13 Selec
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