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CAN-USB/Micro

Small CAN USB Interface

in DSUB9 Enclosure

Manual

to Product C.2068.xx

CAN-USB/Micro

Manual • Doc. No.: C.2068.21 / Rev. 1.2

Page 1 of 23

                                          esd electronic system design gmbh
             Vahrenwalder Str. 207 • 30165 Hannover • Germany
                                                                   http://www.esd.eu
Phone: +49 (0) 511 3 72 98-0 • Fax: +49 (0) 511 3 72 98-68

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Содержание CAN-USB/Micro

Страница 1: ...UB9 Enclosure Manual to Product C 2068 xx CAN USB Micro Manual Doc No C 2068 21 Rev 1 2 Page 1 of 23 esd electronic system design gmbh Vahrenwalder Str 207 30165 Hannover Germany http www esd eu Phone...

Страница 2: ...eproduction of this document in any form whole or in part are subject to esd s written approval 2014 esd electronic system design gmbh Hannover esd electronic system design gmbh Vahrenwalder Str 207 3...

Страница 3: ...1 2 5 4 Software support per default via NTCAN driver 2014 01 17 9 EC declaration of conformity updated 10 Order information updated 1 1 5 4 12 Notes on software driver support inserted 2011 06 01 7...

Страница 4: ...umentation is directed exclusively towards qualified personal The installation and commissioning of the product may only be carried out by qualified personal which is authorized to put devices systems...

Страница 5: ...13 6 1 USB 13 6 2 CAN 14 7 Correctly Wiring of CAN Networks 15 7 1 General Rules 15 7 2 Cabling 16 7 3 Termination 16 7 4 Earthing 17 7 5 Bus Length 17 7 6 Examples for CAN Cables 18 8 CAN Bus Trouble...

Страница 6: ...nux is supported via Linux CAN SocketCAN and NTCAN wrapper library Drivers for other operating systems are available on request Libraries for the higher layer protocols CANopen and J1939 are available...

Страница 7: ...View of the Connectors 2 View of the Connectors Figure 2 Connectors of CAN USB Micro Page 8 of 23 Manual Doc No C 2068 21 Rev 1 2 CAN USB Micro...

Страница 8: ...both ends esd offers T connectors and terminators Additionally the CAN GND signal has to be grounded at exactly one point in the CAN network Therefore the CAN termination connectors have got a groundi...

Страница 9: ...on USB module is enumerated a node address is assigned to the USB module flash off receives CAN telegrams or USB commands off not working CAN Error red on CAN Bus off CAN Error passive or CAN Control...

Страница 10: ...m x 45 mm IP rating IP20 Weight approx 100 g 5 2 USB Interface Number 1x USB Controller integrated in ARM Cortex M3 STM32F105 32 bit 72 MHz USB interface USB 2 0 Full Speed 12 Mbit s Connector USB typ...

Страница 11: ...tools for Windows offer efficient setup and analysis of CAN applications and networks The firmware can be updated from the PC Updates are available on the esd website www esd eu 5 5 Firmware License T...

Страница 12: ...nnector USB connector type A Pin Position Pin Assignment Pin Signal 1 VBUS 2 D 3 D 4 GND Signal Description VBUS 5 V power supply voltage D D USB signal lines Data Data GND Reference potential CAN USB...

Страница 13: ...ved 8 4 reserved reserved 9 5 CAN_GND CAN_Shield Signal Description CAN_L CAN_H CAN signal lines CAN_GND reference potential of the local CAN physical layer CAN_GND CAN_Shield CAN_Shield is connected...

Страница 14: ...th FE at exactly one point The CAN USB Micro connects CAN_GND and FE so no further connection should be made 4 A CAN net must not branch exception short cable stubs and has to be terminated with the c...

Страница 15: ...proper wiring with single shielded single twisted pair wires 7 3 Termination If the used CAN interface is not equipped with an integrated CAN termination and it is at an end of the bus use external te...

Страница 16: ...ch a wire length of 37 m at 1 Mbit s within a closed net without impedance disturbances like e g cable stubs 0 3 m Bit rate Kbits s Typical values of reachable wire length with esd interface lmax m Ci...

Страница 17: ...22 UL CSA approved Part No 2170260 UNITRONIC BUS FD P CAN UL CSA 1x 2x 0 25 UL CSA approved Part No 2170272 ConCab GmbH u erer Eichwald 74535 Mainhardt Germany www concab de e g BUS PVC C 1x 2x 0 22...

Страница 18: ...resistors To test it please 1 Turn off all power supplies of the attached CAN nodes 2 Measure the DC resistance between CAN_H and CAN_L at the ends of the network see figure above and at the centre o...

Страница 19: ...ring A CAN bus might possibly still be able to transmit data if there is a short circuit between CAN_GND and CAN_L but the error rate will increase strongly Make sure that there is no short circuit be...

Страница 20: ...the circuits may increase the leakage current in these circuits To measure the current leakage through the CAN circuits please use an resistance measuring device and 1 Switch off the node and disconn...

Страница 21: ...Declaration of Conformity 9 Declaration of Conformity Page 22 of 23 Manual Doc No C 2068 21 Rev 1 2 CAN USB Micro...

Страница 22: ...perating system please contact our sales team Table 2 Order information PDF Manuals Manuals are available in English and usually in German as well For availability of English manuals see table below P...

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