CPC-PCIe/SJA1000 User Manual
Contents
1. CAN PC Interface CPC PCle User manual User Manual CPC PCle User manual CPC PCle V2 Document version 2 00 Documentation date August 10th 2010 No part of this document or the software described herein may be reproduced in any form without prior written agreement from EMS Dr Thomas Wunsche For technical assistance please contact EMS Dr Thomas W nsche Sonnenhang 3 D 85304 IImm nster 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 PCle hardware and software may not be used in applications where damage to life health or private property may result from failures in or caused by these components 2 EMS Dr Thomas W nsche CPC PCle Content 1 Overview 1 1 Attributes 1 2 General Description 1 3 Ordering Information 2 Programming Interface 3 Electrical Characteristics 3 1 Absolute Limiting Values 3 2 Nominal Values 4 Operating Instructions 4 1 Pin Configuration of CAN Connector 4 2 Configuration 4 3 Installation EMS Dr Thomas W nsche User Manual 9 OAA A oO o 0 NN N User Manual CPC PCle 1 1 1 2 Overview Attributes e CAN Interfaces for industrial applications e Compact size for PCle x1 slots e CIA DS 102 and ISO 11898 compatible physical layer e Equipped with up to four CAN controller NXP SJA1000 e Extended ESD protection o2. I2S CAN plug in board with two CAN controllers NXP SJA1000 individual galvanic decoupling 10 11 230 20 CPC PCle SJA1000Q CAN plug in board with four CAN controllers NXP SJA1000 10 11 232 20 CPC PCle SJA1000Q GTIS CAN plug in board with four CAN controllers NXP SJA1000 individual galvanic decoupling EMS Dr Thomas W nsche 5 User Manual CPC PCle 2 Programming Interface CPC PCle is mapped into the PC memory space with a base address assigned by the PC BIOS The availability of the CAN controller s int the memory area makes the CAN communication direct and provides a low latency time The card is identified by the following parameters Vendor ID 0x10B5 Device ID 0x9030 Subvendor ID 0x10B5 Subsystem ID 0x4000 A PCle 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 PCle incorporates a PLX9030 PCI to local bus bridge BARO 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 0x800 and 0xA00 of BAR2 the optional second third and fourth SJA1000 CAN controller can be accessed Please contact EMS Dr Thomas W nsche for more detailed information about the programming interface of CPC PCle 6 EMS Dr Thomas W nsche CPC PCle User Manual 3 3 1 3 2 Electrical Characteristics Absolut
3. Installation CPC PCle may be installed in an empty expansion slot on the motherboard of your IBM compatible computer To avoid damage please pay attention to the following hints WARNING Computer devices and components are sensitive against static discharge For this reason keep CPC PCle in the antistatic cover until installing Just before removing CPC PCle from the protection cover touch the metal 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 PCle 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 PCle Use in systems with diverging ground potential of PC and CAN bus is not permitted in this case Besides the instructions mentioned in this manual carefully observe the instructions in your coumputers user manual If you are not sure about the installation please contact EMS Dr Thomas W nsche EMS Dr Thomas W nsche 9 CPC PCle User Manual Execute the following steps for installation e Disconnect your computer from the power line e Open the case of your computer and remove the cover of the expansion slot rear panel e Insert CPC PCle carefully into the PCle slot Therefore take the card at its top corners and shift it down into the slot equally Push onto the upper side of C
4. PC PCle 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 e Fix the mounting screw and close the PC housing Connect the required cables EMS Dr Thomas W nsche 10
5. e Limiting Values Any also temporary stress in excess of the limiting values may cause permanent damage on CPC PCle and connected devices Parameter Storage temperature Operating temperature Voltage on the bus connections Current across ground connection Extended temperature range on demand Nominal Values Parameter Min Power supply on 3V3 Pins of the PCle expansion slot Power supply on 12V Pins of the PCle expansion slot Noise nis m av Isolation voltage of galvanic 1000V V decoupling between host and CAN potential CaN conor coaten se gt WR This potential is measured against the ground potential of the related CAN transceiver EMS Dr Thomas W nsche 7 User Manual CPC PCle 4 4 1 4 2 Operating Instructions Pin configuration of CAN connector The CAN interface connector D Sub 9 male schema complies to CiA Standard DS 102 The pin usage is detailed in the following table Pin _ Name peen _ 7 EC EN Reserved by CiA not connected Reserved by CiA not connected Reserved by CiA not connected 7 CAN_H CAN high bus line Fm Reserved by CiA not connected rd Reserved by CiA not connected Configuration CPC PCle 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 EMS Dr Thomas W nsche CPC PCle User Manual 4 3
6. f the CAN controller e Galvanic decoupling between PC and CAN bus optional e Galvanic decoupling between individual CAN channels optional e Easy programming based on direct mapping of CAN controller registers into PC memory area General Description CPC PCle is a PCI Express plug in card for the CAN bus Designed for industrial series applications CPC PCle has a robust and cost efficient layout CPC PCle supports up to four CAN controller of type NXP SJA1000 CPC PCle 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 easily be adapted With CPC PCle the CAN communication may be handled either in interrupt controlled or in polled mode CPC PCle can optionally be delivered with galvanic decoupling of the CAN bus The dual and four channel version has the additional option of galvanic decoupling between the CAN channels EMS Dr Thomas W nsche CPC PCle User Manual 1 3 Ordering Information 10 11 200 20 CPC PCle SJA1000S CAN plug in board with one CAN controller NXP SJA1000 10 11 201 20 CPC PCle SJA1000S GTIS CAN plug in board with one CAN controller NXP SJA1000 galvanic decoupling 10 11 210 20 CPC PCle SJA1000D CAN plug in board with two CAN controllers NXP SJA1000 10 11 211 20 CPC PCle SJA1000D GTID CAN plug in board with two CAN controllers NXP SJA1000 galvanic decoupling 10 11 212 20 CPC PCle SJA1000D GT
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