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Thomas Wünsche

CAN-PC Interface

CPC-PCIe

User manual

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Summary of Contents for CPC-PCIe

Page 1: ...Thomas Wünsche CAN PC Interface CPC PCIe User manual ...

Page 2: ... EMS Dr Thomas Wünsche For technical assistance please contact EMS Dr Thomas Wünsche Sonnenhang 3 D 85304 Ilmmünster Tel 49 8441 490260 Fax 49 8441 81860 Our products are continously improved Due to this fact specifications may be changed at any time and without announcement WARNING CPC PCIe hardware and software may not be used in applications where damage to life health or private property may r...

Page 3: ...butes 4 1 2 General Description 4 1 3 Ordering Information 5 2 Programming Interface 6 3 Electrical Characteristics 7 3 1 Absolute Limiting Values 7 3 2 Nominal Values 7 4 Operating Instructions 8 4 1 Pin Configuration of CAN Connector 8 4 2 Configuration 8 4 3 Installation 9 ...

Page 4: ...eneral Description CPC PCIe is a PCI Express plug in card for the CAN bus Designed for industrial series applications CPC PCIe has a robust and cost efficient layout CPC PCIe supports up to four CAN controller of type NXP SJA1000 CPC PCIe maps the CAN controller into the PC address space and thus allows access to CAN messages with low latency Existing software for the supported CAN controller can ...

Page 5: ...CAN plug in board with two CAN controllers NXP SJA1000 10 11 211 20 CPC PCIe SJA1000D GTID CAN plug in board with two CAN controllers NXP SJA1000 galvanic decoupling 10 11 212 20 CPC PCIe SJA1000D GTI2S CAN plug in board with two CAN controllers NXP SJA1000 individual galvanic decoupling 10 11 230 20 CPC PCIe SJA1000Q CAN plug in board with four CAN controllers NXP SJA1000 10 11 232 20 CPC PCIe SJ...

Page 6: ...000 A PCIe PCI bridge is used to establish a local PCI bus on the interface card This PCI bus is automaticly enumerated by the operating system at boot time Furthermore CPC PCIe incorporates a PLX9030 PCI to local bus bridge BAR0 of the PCI configuration space register points to the bridge registers whereas BAR2 plus an offset of 0x400 points to the first SJA1000 CAN controller At offset 0x600 0x8...

Page 7: ...st the ground potential of the related CAN transceiver Parameter Min Max Unit Storage temperature 20 80 C Operating temperature 0 60 C Voltage on the bus connections 30 30 V Current across ground connection 1 A Parameter Min Typ Max Unit Power supply on 3V3 Pins of the PCIe expansion slot 3 1 3 3 3 5 V Voltage on bus pins 30 30 V CAN controller clock frequency 16 MHz Power supply on 12V Pins of th...

Page 8: ...CIe is a Plug and Play interface and therefore does not need a configuration The base address of the interface within the PC memory and the interrupt used is assigned by the PC BIOS Pin Name Description 1 Reserved by CiA not connected 2 CAN_L CAN low bus line 3 GND CAN Ground 4 Reserved by CiA not connected 5 Reserved by CiA not connected 6 Reserved by CiA not connected 7 CAN_H CAN high bus line 8...

Page 9: ...al case of your computer Avoid damage by achieving equal potential between all devices on the CAN before plugging the connection To the rear side connector of CPC PCIe only CAN networks with a connector and elecrical character complying with CiA DS 102 may be attached PC interface and CAN bus are not galvanic decoupled in the standard version of CPC PCIe Use in systems with diverging ground potent...

Page 10: ...on slot rear panel Insert CPC PCIe carefully into the PCIe slot Therefore take the card at its top corners and shift it down into the slot equally Push onto the upper side of CPC PCIe to achieve correct seat in the slot If the card can not be inserted without problems please don t use extensive force Remove the card and retry Fix the mounting screw and close the PC housing Connect the required cab...

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