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Technical Data

3.3 CAN Interface

Number

CAN-PC104/331-1: 1 CAN interface via DSUB connector
CAN-PC104/331-2: 2 CAN interfaces via DSUB connector
CAN-PC104/331-2 MicroMatch: 2 CAN interfaces via MircoMatch
sockets

CAN controller

SJA1000

CAN protocol

ISO 11898-1 (Basic-CAN2.0A/B)

Physical interface

physical layer in accordance with ISO 11898-2,
transfer rate programmable from 10 Kbit/s to 1 Mbit/s

Bus termination

has to be set externally

Electrical isolation of the
CAN interface from other
units

separation of CAN interfaces from each other and from PC/104-bus
potentials by optocouplers and DC/DC converters

Table 4:

Data of the CAN interface

3.4 Software Support

Software drivers are available for Windows

, Linux

, VxWorks

and QNX

systems.

Other drivers are available on request.
The firmware can be loaded from the PC into the Flash EPROM.

INFORMATION

The CAN layer 2 (NTCAN-API) software installation and the software drivers are
described in the NTCAN-API manual (esd-order No.: C.2001.21):

“NTCAN-API Part 1: Application Developers manual” and
“NTCAN-API Part 2: Installation Guide”

CANopen

and J1939 protocol libraries are available.

Page 16 of 32

Hardware Manual • Doc. No.: C.2012.21 / Rev. 1.6

CAN-PC104/331

Содержание CAN-PC104/331

Страница 1: ...and Technical Data to Product C 2012 02 C 2012 04 C 2012 09 CAN PC104 331 Hardware Manual Doc No C 2012 21 Rev 1 6 Page 1 of 32 esd electronic system design gmbh Vahrenwalder Str 207 30165 Hannover G...

Страница 2: ...onic system design gmbh Hannover esd electronic system design gmbh Vahrenwalder Str 207 30165 Hannover Germany Phone 49 511 372 98 0 Fax 49 511 372 98 68 E Mail info esd eu Internet www esd eu This ma...

Страница 3: ...revious version Date 1 5 1 3 New chapter Connector Position and Board Dimensions 2002 02 25 5 New chapter Version CAN PC104 xxx Micromatch 1 6 Safety Instructions and classification inserted 2015 12 0...

Страница 4: ...ments indicate a hazardous situation which if not avoided will result in death or serious injury WARNING Warning statements indicate a hazardous situation that if not avoided could result in death or...

Страница 5: ...re and steam Protect the CAN PC104 331 from shocks and vibrations The CAN PC104 331 may become warm during normal use Always allow adequate ventilation around the CAN PC104 331 and use care when handl...

Страница 6: ...ited Service Note The CAN PC104 331 does not contain any parts that require maintenance by the user The CAN PC104 331 does not require any manual configuration of the hardware Unauthorized interventio...

Страница 7: ...t Wiring of Electrically Isolated CAN Networks 21 6 1 Standards concerning CAN Wiring 21 6 2 Light Industrial Environment Single Twisted Pair Cable 22 6 2 1 General Rules 22 6 2 2 Cabling 23 6 2 3 Ter...

Страница 8: ...AN interface is electrically separated from other voltage potentials by means of optocouplers and DC DC converters In the CAN PC104 331 2 MicroMatch option the CAN interfaces are equipped with Micro M...

Страница 9: ...iew with Connectors Figure 2 View of PCB layer CAN PC104 331 2 without a front panel CAN PC104 331 Hardware Manual Doc No C 2012 21 Rev 1 6 Page 9 of 32 CAN 1 X401 CAN 0 X400 X100 X101 S100 16 9 8 1 X...

Страница 10: ...nector Position and Board Dimensions All listed values are given in millimetre Figure 3 CAN PC104 331 2 technical drawing Page 10 of 32 Hardware Manual Doc No C 2012 21 Rev 1 6 CAN PC104 331 DSUB 9 55...

Страница 11: ...stics call Resources and there select I O Port A list with the used and available address ranges appears Make sure that the default value of the CAN PC104 331 is in a free memory area If it is not not...

Страница 12: ...ermore you should prevent your clothes from touching the CAN PC104 331 because your clothes might be electrostatically charged as well Procedure 1 Switch off your computer and all connected peripheral...

Страница 13: ...ws Hardware Wizard 8 Install the CAN module at the selected PC 104 stack position 9 Close the computer case 10 Connect the CAN wire Please note that the CAN bus must be terminated at both ends Additio...

Страница 14: ...Connect the computer to mains again mains connector or safety fuse 12 Switch on the power supply of the computer the peripheral devices and the other CAN devices again 13 End of hardware installation...

Страница 15: ...et 0 C 2012 09 only X401 MicroMatch socket CAN interface 2 net 1 C 2012 09 only The following connectors are only equipped for programming and service X200 4 pole female con CPU interface serial TTL X...

Страница 16: ...separation of CAN interfaces from each other and from PC 104 bus potentials by optocouplers and DC DC converters Table 4 Data of the CAN interface 3 4 Software Support Software drivers are available f...

Страница 17: ...tion Pin Assignment Signal Pin Signal 1 reserved CANx_GND 6 2 CANx_L CANx_H 7 3 CANx_GND reserved 8 4 reserved reserved 9 5 Shield Signal Description CANx_L CANx_H CAN signal lines of CAN net x CAN PC...

Страница 18: ...m converts from micromatch connector to DSUB9 The DSUB connector of the adapter cable corresponds to the standard assignment of a 9 pin DSUB connector for CAN see DSUB9 CAN connectors NOTICE The micro...

Страница 19: ...the externally connected cable to the T piece must not exceed 30 cm ISO11898 5 2 Pin Assignment Micro Match Socket The following table shows the assignment of the Micro Match socket on the board Pin 6...

Страница 20: ...crimped with wire 1 to pin 1 of the DSUB connector at one end and with wire 1 to pin 1 of the Micro Match connector at the other end The highest pin of the Micro Match connector pin 6 is not assigned...

Страница 21: ...n for signal loss across the complete system and cabling parasitic loadings network imbalances ground offsets against earth potential and signal integrity Therefore the practical maximum number of nod...

Страница 22: ...minated with the characteristic impedance of the line generally 120 10 at both ends between the signals CAN_L and CAN_H and not at CAN_GND 5 Keep cable stubs as short as possible l 0 3 m 6 Select a wo...

Страница 23: ...contacts gender changer are available from esd order no C 1303 01 DSUB termination connectors with male contacts order no C 1302 01 or female contacts order no C 1301 01 and additional functional eart...

Страница 24: ...nd has to be terminated with the characteristic impedance of the line generally 120 10 at both ends between the signals CAN_L and CAN_H and not to CAN_GND 5 Keep cable stubs as short as possible l 0 3...

Страница 25: ...ted cables is unavoidable take care that the CAN_GND line is not interrupted Figure 9 Example of proper wiring with single shielded double twisted pair cables 6 3 3 Termination A termination resistor...

Страница 26: ...l values of reachable wire length with esd interface lmax m CiA recommendations 07 95 for reachable wire lengths lmin m 1000 800 666 6 500 333 3 250 166 125 100 83 3 66 6 50 33 3 20 12 5 10 37 59 80 1...

Страница 27: ...ny www concab de e g BUS PVC C 1x 2x 0 22 mm Order No 93 022 016 UL appr BUS Schleppflex PUR C 1x 2x 0 25 mm Order No 94 025 016 UL appr 6 6 2 Cable for heavy industrial Environment Applications Four...

Страница 28: ...resistance of the CAN data pair conductors and the attached terminating resistors To test it please 1 Turn off all power supplies of the attached CAN nodes 2 Measure the DC resistance between CAN_H an...

Страница 29: ...ta if there is a short circuit between CAN_GND and CAN_L but generally the error rate will increase strongly Make sure that there is no short circuit between CAN_GND and CAN_L 7 4 CAN_H CAN_L Voltage...

Страница 30: ...k see figure below 2 Measure the DC resistance between CAN_H and CAN_GND see figure below 3 Measure the DC resistance between CAN_L and CAN_GND see figure below The measured resistance has to be about...

Страница 31: ...cal layer according to ISO 11898 electrically isolated Data rate up to 1 MBit s integrated firmware special version with 2x Micro Match connectors from AMP 10 pin connector reduced to 9 pin C 2012 09...

Страница 32: ...ME Hardware manual in English C 2012 21 CAN API ME NTCAN API manual 1 2 Application Developers Manual NTCAN API manual 2 2 Installation Guide C 2001 21 CANopen ME CANopen manuals in English C 2002 21...

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