PCAN-AU5790 - User Manual - PEAK
Contents
1. 150 mA through High speed CAN connection a current list of PEAK CAN interfaces with suitable supply voltage is available on request If the power supply has a lower current output than 150 mA an additional 12 Volt supply is needed via Single wire CAN connector Operating temperature range from 0 to 70 C 32 to 185 F 0 Note You can find additional information about the properties and the behavior of the Single wire CAN transceiver AU5790 in the corresponding data sheet which you can download for example from the NXP website www nxp com 1 2 Scope of Supply Adapter in plastic casing Manual in PDF format PCAN AU5790 User Manual a System 2 Connectors 2 1 D Sub Socket High speed CAN Primary Voltage Supply The bus converter PCAN AU5790 is designed for the use as add on module for a CAN interface of the PCAN series e g PCAN USB As an extension it is directly connected to the CAN interface with the High speed CAN side D Sub socket Attention Risk of short circuit When you connect the PCAN AU5790 to or remove it from the CAN interface latter must be turned off without supply voltage The PCAN AU5790 or other electronic components may be damaged Vini 0 V optional CAN_H GND Figure 1 Pin assignment High speed CAN side D Sub socket 2 1 1 Supply Voltage Vmain For the bus converter operation a direct voltage of 5 V V main is needed The voltage source must be able to supply a current o2. Wilhelm Otto Roehm Strasse 69 64293 Darmstadt Germany Phone 49 0 6151 8173 20 Fax 49 0 6151 8173 29 E mail info peak system com Mec bE Signed this 22 day of October 2013 15 PCAN AU5790 User Manual System Appendix B Dimension Drawing 62 0 mm 33 2 mm ana Figure 4 Top view and side view PCAN AU5790 The figure does not show the original size 16 PCAN AU5790 User Manual a System Appendix C Quick Reference D Procedure for connecting to CAN interface of the PCAN series 1 On the CAN interface enable the routing of the 5 Volt supply to pin 1 of the D Sub connector see documentation of the CAN interface 2 Plug the PCAN AU5790 with its D Sub socket High speed CAN onto the D Sub plug of the CAN interface 3 Only CAN interfaces with galvanic isolation opto decoupled On the Single wire CAN side of the PCAN AU5790 connect an additional voltage supply Vaux Single wire CAN Connector GND Vaux 12 V DC e g car battery GND 6 16 V possible at least 12 V for wake up mode Vax if needed CAN H Switch for Single wire CAN Modes Switch position Mode Description Middle Normal Up to 33 3 kbit s with waveshaping Right High speed Up to 83 3 kbit s without wave shaping Like normal mode but with increased k iki signal levels Status LEDS LED Meaning Red Power supply 5 V Yellow Reception transmi
3. isolation opto decoupled 0 Note The 5 Volt supply Vmain at the High speed CAN connector must remain when using Vaux 2 2 3 Termination S ngle wire CAN On the Single wire CAN side the PCAN AU5790 is terminated inter nally with 5 1 kQ The Single wire CAN specification does not include an external termination of the bus converter with a terminating resistor PCAN AU5790 User Manual a System 3 Operation 3 1 Status LEDS LED Meaning Red Power supply 5 V Yellow Reception transmission of wake up signals on the Single wire CAN bus see also section 3 2 3 Wake up Mode on page 11 3 2 Single wire CAN Operation Modes The PCAN AU5790 can be operated in three different Single wire CAN modes They are determined by the slide switch at the side of the casing Switch position Mode Description Middle Normal Up to 33 3 kbit s with waveshaping Right High speed Up to 83 3 kbit s without waveshaping Like normal mode but with increased di Wake Up signal levels The Sleep mode defined in addition for Single wire CAN is not supported Qa Note To prevent mistakes The term high speed mode in this manual refers to Single wire CAN and does not have a direct relation to High speed CAN 10 PCAN AU5790 User Manual a System 3 2 1 Normal Mode This mode ts used for normal operation Bit rates up to 33 3 kbit s are supported The output of signals on the Single wire CAN bus is done with waveshaping
4. PCAN AUS 90 Bus Converter High speed CAN to Single wire CAN User Manual PEAK Document version 2 1 0 2013 11 15 System PCAN AU5790 User Manual m System Products taken into account Product Name Model Part number PCAN AU5790 IPEH 002040 CANopen and Ci AG are registered community trade marks of CAN in Automation e V All other product names mentioned in this document may be the trademarks or registered trademarks of their respective companies They are not explicitly marked by uTM and D 2013 PEAK System Technik GmbH PEAK System Technik GmbH Otto Roehm Strasse 69 64293 Darmstadt Germany Phone 49 0 6151 8173 20 Fax 49 0 6151 8173 29 www peak system com info peak system com Document version 2 1 0 2013 11 15 PCAN AU5790 User Manual a System Contents 1 Introduction 4 1 1 Properties at a Glance 1 2 Scope of Supply 5 2 Connectors 6 2 1 D Sub Socket High speed CAN Primary Voltage Supp ly 6 2 1 1 Supply Voltage Vnain 6 2 1 2 Voltage Supply Alternatively Via Pin 9 7 2 1 3 Termination High Speed CAN 8 2 2 D Sub Plug Single wire CAN Secondary Voltage Supply 9 2 2 1 Ground Connection GND 9 2 2 2 Additional Supply Voltage Vaux 9 2 2 3 Termination Single wire CAN 9 3 Operation 10 3 1 Status LEDs 10 3 2 Single wire CAN Operation Modes 10 3 2 1 Normal Mode 11 3 2 2 High speed Mode 11 3 2 3 Wake up Mode 11 3 3 CAN Bit Rate 12 4 Technical Specifications 13 Appendix A CE Ce
5. The voltage slew rate and the shape of the rising edge as well as the beginning of the falling edge are con trolled This behavior contributes to the minimization of EM emissions 3 2 2 High speed Mode The PCAN AU5790 provides a high speed mode for the transfer of software or diagnostic data for example Bit rates up to 83 3 kbit s can be used In contrast to the normal mode the waveshaping function is deactivated i e the bus driver is switched on and off as fast as possible to be able to reach higher bit rates However the electromagnetic compatibility EMC consequently is reduced in comparison to the normal mode The high speed mode is only used in special cases and shouldn t be used for regular operation of a Single wire CAN bus 3 2 3 wake up Mode In this mode transmission is done with an increased level in com parison to the normal mode An activation of all sleeping bus nodes in the network results from it Sleeping bus nodes ignore normal 4 Volt levels and only react to levels with higher voltage 12 V Because the PCAN AU5790 itself does not have a sleep mode incoming signals are all interpreted in the same manner independently of their level normal or wake up The yellow LED indicates a received or transmitted signal with wake up level After detection the LED switches off again with delay Thus signals of short duration are also recognized 11 PCAN AU5790 User Manual System 3 3 CAN Bit Rate When
6. e Figure 2 Unsolder the resistor and replace it so that it connects the PCAN AU5790 User Manual m System upper two pads Alternatively you can remove the resistor and connect the pads with a solder bridge Figure 2 Position of soldering field JP1 on the bottom side of the opened PCAN AU5790 Voltage supply via Pin 1 Pin 9 Connected pads on JP1 9 Gj 3 Put together the two parts of the casing on the bus converter Pay attention to the correct position because of the LEDs and the switch 2 1 3 Termination High Speed CAN The High speed CAN lines CAN_L and CAN_H are terminated in the bus converter with an 120 Ohm resistor This termination is unalterable PCAN AU5790 User Manual a System 2 2 D Sub Plug Single wire CAN Secondary Voltage Supply GND GND Vax if needed CAN_H Figure 3 Pin assignment Single wire CAN side D Sub plug 2 2 1 Ground Connection GND For pin allocation it has to be taken into account that a ground connection via GND to all other CAN nodes is needed on the Single wire CAN bus In motor vehicles this is usually done via bodywork 2 2 2 Additional Supply Voltage Vaux The additional supply voltage V with 12 V DC e g car battery 6 16 V possible at wake up mode 12 V min is needed if the 5 Volt supply Vai at the High speed CAN connector cannot provide up to 150 mA current This applies for example to all CAN interfaces of the PCAN series with galvanic
7. ent Operating temperature 0 70 C 32 158 F Temperature for storage and 40 100 C 40 212 F transport Relative humidity 15 90 not condensing EMC EN 55024 2011 09 EN 55022 2011 12 EC directive 2004 108 EG Ingress protection IEC 60529 IP20 14 PCAN AU5790 User Manual m System Appendix A CE Certificate PCAN AU5790 IPEH 002040 EC Declaration of Conformity PEAK System Technik GmbH System Notes on the CE Symbol The following applies to the PCAN AU5790 product with the item number s IPEH 002040 EC Directive This product fulfills the reguirements of EU EMC Directive 2004 108 EG Electromagnetic Compatibility and is designed for the following fields of application as for the CE marking Electromagnetic Immunity DIN EN 55024 publication date 2011 09 Information technology equipment Immunity characteristics Limits and methods of measurement CISPR 24 2010 German version EN 55024 2010 Electromagnetic Emission DIN EN 55022 publication date 2011 12 Information technology equipment Radio disturbance characteristics Limits and methods of measurement CISPR 22 2008 modified German version EN 55022 2010 Declarations of In accordance with the above mentioned EU directives the EC Conformity declarations of conformity and the associated documentation are held at the disposal of the competent authorities at the address below PEAK System Technik GmbH Mr
8. f up to 150 mA PCAN AU5790 User Manual System 0 Note If the voltage source cannot supply a current up to 150 mA an additional voltage supply must be used on Vaux at the Single wire CAN connection This applies for example to all CAN interfaces of the PCAN series with galvanic isolation opto decoupled For the voltage supply of the bus converter a CAN interface of the PCAN series must be configured so that the 5 Volts supply of the computer is routed to either pin 1 or pin 9 of the High speed CAN connector Please take detailed notes from the documentation of the respective CAN interface When the 5 Volt supply is active the red LED on the PCAN AU5790 is on 2 1 2 Voltage Supply Alternatively Via Pin 9 The bus converter is pre configured to be supplied via pin 1 of the connector Alternatively the voltage supply Vini can be done via pin 9 For that a modification must be done on the PCB of the PCAN AU5790 a Important note Perform the following procedure with special care because soldering can incur unintentional short circuits on the PCB This can lead to damage of the bus converter or the connected hardware I Do the following to route the voltage supply via pin 9 1 Open the plastic casing of the PCAN AU5790 by cautiously levering the latches on both sides e g with a flat tip screwdriver 2 On the bottom side of the PCB in the soldering field JP1 a 0 Ohm resistor connects the lower two pads se
9. operating the PCAN AU5790 it must be ensured that the bit rate on the High speed CAN bus matches the one on the Single wire CAN bus No conversion or automatic adaptation of the bit rate is done in the bus converter Usual bit rate for Single wire CAN 33 3 kbit s normal mode wake up mode 83 3 kbit s high speed mode 12 PCAN AU5790 User Manual a System 4 Technical Specifications Power supply Supply voltage Current consumption High speed CAN Specification Transceiver Connector Termination Single wire CAN Specification Transceiver Connector Termination Operating modes bit rates Wake up LED yellow Pulse width Delay time signal Threshold signal 5 V DC at least 150 mA via High speed CAN connection 12 V DC additionally if the available amperage of the 5 Volt supply lt 150 mA via Single wire CAN connection 6 16 V possible at least 12 V for wake up mode 20 mA average 120 mA maximum ISO 11898 2 CAN specifications 2 0A and 2 0B PCA82C251 D Sub socket 9 pin pin assignment according to specification CiA 102 120 Q unalterable SAE J2411 AU5790 or compatible D Sub plug 9 pin 5 1 KQ normal 33 3 kbit s high speed 83 3 kbit s wake up 33 3 kbit s gt 0 5s gt 5 us at 11 Volt pulse 8 2V 13 PCAN AU5790 User Manual a System Measures Size 63 x 34 x 19 mm L x W x H See also dimension drawing in Appendix B on page 16 Weight 26g Environm
10. rtificate 15 Appendix B Dimension Drawing 16 Appendix C Quick Reference 17 PCAN AU5790 User Manual a System 1 Introduction 1 Tip At the end of this manual Appendix C you can find a 2 Quick Reference with brief information about the installation and operation of the PCAN AU5790 The bus converter PCAN AU5790 establishes a connection between a High speed CAN bus ISO 11898 2 and a Single wire CAN bus SAE J2411 It is designed for direct connection of a CAN interface of the PCAN series e g PCAN USB to a Single wire CAN bus The term AU5790 refers to the transceiver of the same name This or a compatible transceiver is used in the bus converter for the connection to the Single wire CAN bus Single wire CAN Single wire CAN only uses one signal line in contrast to High speed CAN Single wire CAN is used in motor vehicles The bodywork functions as ground of the bus Therefore the Single wire CAN bus actually consists of an unipolar line and thus reduces the overhead of the wiring through the motor vehicle On the other hand the highest possible transmission rate is considerably lower than for High speed CAN 1 1 Properties at a Glance There are three operation modes for the SW CAN side which can be set using a sliding switch Normal 33 3 kbit s High speed 83 3 kbit s and Wake up Indicator LEDs for power supply red and wake up signals yellow PCAN AU5790 User Manual System Power supply 5 V
11. ssion of wake up signals on the Single wire CAN bus 17
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