PCAN-TJA1054 - Benutzerhandbuch
Contents
1. CAN Low speed CAN Bit rate Power supply Supply Voltage Power consumption Environment Operating temperature Temperature for storage and transport Relative humidity EMC Ingress protection IEC 60529 ISO 11898 2 2 0A standard format and 2 0B extended format Transceiver PCA82C251 D Sub socket 9 pins in accordance with CiA 102 Internal bus termination with 62 Q fixed ISO 11898 3 Transceiver TJA1054 D Sub plug 9 pins Internal bus termination with 560 or 5 66 kQ switchable max 125 kbit s 5 V via pin 1 of D Sub socket Normal operation 20 30 mA At an Error 40 mA Maximum 80 mA peak 40 85 C 40 to 185 F 40 100 C 40 to 212 F 15 90 not condensing EN 55024 2003 10 EN 55022 2008 05 EC directive 2004 108 EG IP20 10 PCAN TJA1054 User Manual m LU eee eau PEAK P System Measures Size 50 x 32 x 17 mm See also dimension drawing Appendix B on page 13 Weight 25g il PCAN TJA1054 User Manual a System Appendix A CE Certificate PCAN TJA1054 IPEH 002039 EC Declaration of Conformity PEAK System Technik GmbH System Notes on the CE Symbol The following applies to the PCAN TJA1054 products IPEH 002039 EC Directive This product fulfills the requirements of EC directive 2004 108 EG on Electromagnetic Compatibility and is designed for the following fields of application as per the CE marking Electromagnet2. PCAN TJAIl054 Bus Converter High Speed CAN to Low Speed CAN User Manual v2 0 0 PCAN TJA1054 User Manual m System Products taken into account Product Name Model Part number PCAN TJA1054 IPEH 002039 CANopen and CiA 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 or D 2011 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 0 0 2011 10 05 PCAN TJA1054 User Manual a System Contents 1 Introduction 4 1 1 Properties at a Glance 4 1 2 System Requirements 5 1 3 Scope of Supply 5 2 Connectors 6 2 1 Connecting the High speed CAN Side 6 2 2 Connecting the Low speed CAN Side 7 3 Operation 8 3 1 Bit Rate 8 3 2 Low Power Modes 8 3 3 Status LED 9 3 4 Red Error LED 9 4 Technical Specifications PCAN TJA1054 10 Appendix A CE Certificate 12 Appendix B Dimension Drawing 13 Appendix C Quick Reference 14 PCAN TJA1054 User Manual a System 1 Introduction XQ Tip At the end of this manual Appendix C you can find a 2 Quick Reference with brief information about the operation of the PCAN TJA1054 The PCAN TJA1054 bus converter establishes a c
3. ic Immunity DIN EN 55024 Publication date 2003 10 Information technology equipment immunity characteristics Limits and methods of measurement IEC CISPR 24 1997 modified A1 2001 A2 2003 German version EN 55024 1998 A1 2001 A2 2003 Electromagnetic Emission DIN EN 55022 Publication date 2008 05 Information technology equipment Radio disturbance characteristics Limits and methods of measurement IEC CISPR 22 2005 modified A1 2005 German version EN 55022 2006 A1 2007 Declarations of In accordance with the above mentioned EU directives Conformity the EC 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 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 Mc bE Signed this 4 day of October 2011 12 PCAN TJA1054 User Manual System Appendix B Dimension Drawing 16 8 mm The figure doesn t show the actual size of the product PCAN TJA1054 User Manual a System Appendix C Quick Reference High speed CAN socket oCAN _L o Vmain 5 V n c not connected Connect or disconnect the PCAN TJA1054 only when the relevant HS CAN component is turned off Low speed CAN plug n c not connected Slide switch Low speed CAN termination 560 f
4. lt supply to the CAN connector can be set for all CAN interfaces from the PCAN series 1 3 Scope of Supply Adapter in plastic casing Manual in PDF format PCAN TJA1054 User Manual System 2 Connectors 2 1 Connecting the High speed CAN Side The PCAN TJA1054 is designed for a direct connection to a HS CAN component e g PCAN USB The HS CAN side has a 9 pin D Sub connector The pin assignment corresponds to the specification CiA 102 n c not connected Figure 1 Pin assignment HS CAN Attention Make sure that the HS CAN component always is turned off when connecting or disconnecting the PCAN TJA1054 Otherwise the PCAN TJA1054 or the connected hardware may be damaged or destroyed Between CAN_L and CAN_H a terminating resistor of 60 Q is installed internally Therefore an additional line termination is not needed for the connected HS CAN component For power supply the PCAN TJA1054 uses a direct voltage of 5 V Vrain This must be applied to pin 1 of the HS CAN connector a Note Please see the documentation of the HS CAN component the PCAN TJA1054 shall be connected to to obtain information about a power supply on pin 1 PCAN TJA1054 User Manual a System 2 2 Connecting the Low speed CAN Side For the connection of the LS CAN bus a 9 pin D Sub port is used The assignment is as follows n c not connected Figure 2 Pin assignment LS CAN Bus termination Low speed CAN Every node i
5. n a Low speed CAN has a terminating resistor For optimum system conditions the whole CAN bus should be terminated with 100 Q parallel connection of all terminating resistors A single node should be terminated with at least 500 Q and at most 6 kQ To simplify the adaptation of the PCAN TJA1054 to an existing CAN bus you can switch between the terminating resistors 560 Q and 5 66 kQ using the slide switch For smaller CAN busses or for testing a single component the slide switch should be set to 560 Q For monitoring or configuration of existing CAN busses that are already optimized regarding termination the slide switch should be set to 5 66 kQ to minimize an influence on the total termination PCAN TJA1054 User Manual a System 3 Operation 3 1 Bit Rate Make sure that the bit rate of the connected HS CAN component matches the bit rate of the LS CAN bus for operating the PCAN TJA1054 No conversion or automatic adaptation of the bit rate is done in the PCAN TJA1054 3 2 Low Power Modes 0 Note The LS CAN transceiver always works with the normal operation mode The operation in one of the low power modes Sleep or Standby is not possible Because the PCAN TJA1054 is connected to further hardware controllers for example only through the CAN bus it is not capable of activating one of the low power modes If the PCAN TJA1054 shall be connected to the LS CAN bus of a motor vehicle that uses a low power mode the foll
6. onnection between a High speed CAN bus ISO 11898 2 and a Low speed CAN bus ISO 11898 3 One of the most important potential applications of the bus converter is a simple connection between a PEAK CAN interface e g PCAN USB and a Low speed CAN bus Low speed CAN LS CAN The LS CAN is primarily intended for low speed applications up to 125 kbit s in passenger cars Like the High speed CAN HS CAN the LS CAN transmits signals differentially through two wires However its fault tolerance e g at a short circuit automatically provides an operation with only a single wire 1 1 Properties at a Glance Adapter from High speed CAN to Low speed CAN Bit rates of up to 125 kbit s CAN transceiver NXP PCA32C251 and TJA1054 Termination resistors for Low speed CAN can be switched 560 Ohm 5 66 kOhm Power LED Error LED Low speed CAN CAN bus connection via D Sub 9 pin in accordance with CiA 102 PCAN TJA1054 User Manual a System Power supply 5 V through pin 1 of the High speed CAN connection All PEAK CAN interfaces can be set to the required supply via solder jumper Extended operating temperature range from 40 to 85 C 40 to 185 F a Note You can find additional information about the properties and the behavior of the LS CAN transceiver TJA1054 in the corresponding data sheet which you can download e g from the NXP website www nxp com 1 2 System Requirements HS CAN component capable of routing a 5 Vo
7. or building smaller networks testing single components 5 66 kQ for monitoring or configuring existing networks already terminated optimally 14 PCAN TJA1054 User Manual a System Status LEDS LED Meaning Green Power Voltage Supply 5 V Red Error Error condition on the LS CAN bus Bit rate Is configured in the connected HS CAN component Make sure that the bit rate of the connected HS CAN component matches the bit rate of the LS CAN bus for operating the PCAN TJA1054 15
8. owing should be considered In a low power mode all transceivers in a motor vehicle terminate CAN_L against the battery However the PCAN TJA1054 still terminates CAN_L against Vcc On CAN_L the voltage adjusts to a level above or below the recognition threshold for short circuits on CAN_L 7 3 V depending on the network size and termination If the voltage on CAN_L stays below 7 3 V a shunt current leads to an increased current consumption in the motor vehicle PCAN TJA1054 User Manual System If however the voltage on CAN_L is above 7 3 V the PCAN TJA1054 detects a short circuit on CAN_L and switches to single wire operation CAN_H The communication is ensured but an error is indicated by the red LED see section 3 4 Red Error LED 3 3 Status LED LED Meaning Green Power Voltage supply 5 V Red Error Error condition on the LS CAN bus 3 4 Red Error LED The red LED indicates the state of the error output of the LS CAN transceiver This output is active for the following error conditions on the Low speed CAN side Interrupt on CAN_H Interrupt on CAN_L Short circuit between CAN_H and GND Short circuit between CAN_H and VCC Short circuit between CAN_L and GND Short circuit between CAN_L and VCC Short circuit between CAN_H and CAN_L Please see the data sheet for the CAN transceiver TJA1054 for further details PCAN TJA1054 User Manual a System 4 Technical Specifications PCAN TJA1054 CAN High speed
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