PCAN-LWL - User Manual
Contents
1. German version EN 55022 2010 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 bee bi Signed this 6 day of February 2013 18 PCAN LWL User Manual PEAK System Appendix B Emission Diagrams Without test device Pegel dBuv m 0 S i i H 30M 50M 70M 100M 200M 300M Frequenz Hz 500M 700M 1G x MES P129_ho1_fin QP MES P129 ho1 pre PK LIM EN 55011 F FQE with PCAN LWL Pegel dBuV m 60 30M 50M 70M 100M Frequenz Hz 200M 300M 500M 700M 1G x MES P129 bei fin QP MES P129 ho2 pre PK LIM EN 55011 F FQE PCAN LWL User Manual System Appendix C Dimension Drawing 93 0 mm 80 0 mm 60 5 mm 57 0 mm 35 0 mm 32 0 mm The figure does not show the original size 20 PCAN LWL User Manual a System Appendix D Quick Reference Basic Settings on PCAN LWL Circuit Board Choice of transceiver Jumper block JPB1 Comment High speed CAN B A Default setting at de2. corresponding input socket or via pin 9 of the D Sub connector in each case 6 5 30 V DC The power supply input to be used must be set with the jumper JP12 on the circuit board of the PCAN LWL module JP9 JP1O Figure 6 Position jumper JP12 Voltage supply via Jumper JP12 Comment D Sub connector pin9 1 2 When having increased EMC require ments use a shielded cable for the supply and for CAN to be preferred for EMC applications additional built in filter Supply socket 2 3 Default setting at delivery This input is The unused power supply input according to the setting is electri cally isolated from the actual power supply A Attention Switch off the power supply at the D Sub connector before connecting or removing the D Sub plug to or from the PCAN LWL module Otherwise electronic parts may be des troyed even on other nodes attached to the CAN bus 11 PCAN LWL User Manual m System 3 3 CAN Termination 3 3 1 High speed CAN Bus Termination A High speed CAN bus ISO 11898 2 must be terminated on both ends with 120 Q Otherwise there are interfering signal reflections and the transceivers of the connected CAN nodes CAN interface control unit do not work In the PCAN LWL module the High speed CAN bus is terminated with 120 Q between CAN Land CAN H This termination can be switched on or off by using the turn switch that is accessible via the whole on the top side of the module casing To do
3. Optical Coupler for CAN Data Transmission User Manual v2 0 2 PCAN LWL User Manual System Products taken into account Product Name Model Part number PCAN LWL IPEH 002026 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 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 0 2 2013 02 26 PCAN LWL User Manual a System Contents 1 Introduction 4 1 1 Properties at a Glance 4 1 2 Prerequisites for Operation 5 1 3 Scope of Supply 5 2 Connectors 6 2 1 CAN 6 2 2 Optical Waveguides OWG 7 2 3 Voltage Supply 8 3 Configuration 9 3 1 Choice Between High speed and Low speed CAN Transceiver 10 3 2 Choice of the Input for the Power Supply 11 3 3 CAN Termination 12 3 3 1 High speed CAN Bus Termination 12 3 3 2 Low speed CAN Bus Termination 12 4 Operation 14 4 1 CAN Bit Rate 14 4 2 Transit Delay 14 4 3 Status LEDS 16 4 3 1 Red LED Low Speed Error 16 5 Technical Specifications 17 Appendix A CE Certificate 18 Appendix B Emission Diagrams 19 Appendix C Dimension Drawing 20 Appendix D Quick Reference 21 PCAN LWL User Manual S
4. Sub male connector 9 pin assignment according to specification CiA 102 Transceiver TJA1054 Bit rate max 125 kbit s Bus termination switchable 510 5 6 kQ High speed CAN about 250 ns Low speed CAN about 1 5 us Fiber optic duplex line with ST connector 6 5 30 V DC max 50 mA at 9 V 0 70 C 32 158 F 40 100 C 40 212 F 15 90 not condensing EN 55024 2011 09 EN 55022 2011 12 EC directive 2004 108 EG IP20 60 x 35 x 80 mm W x H x D See also dimension drawing Appendix C on page 20 138 g 17 PCAN LWL User Manual m System Appendix A CE Certificate PCAN LWL IPEH 002026 EC Declaration of Conformity PEAK System Technik GmbH Notes on the CE Symbol The following applies to the PCAN LWL products IPEH 002026 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 Electromagnetic Immunity DIN EN 55024 Publication date 2011 09 Information technology equipment immunity characteristics Limits and methods of measurement IEC CISPR 24 1997 modified A1 2001 A2 2003 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 IEC CISPR 22 2005 modified A1 2005
5. be disregarded The listed values have been calculated on the basis of an idealized system and can differ from reality 15 PCAN LWL User Manual System 4 3 Status LEDS LED Meaning Red Error condition Low speed CAN Orange Low speed CAN connection Yellow High speed CAN connection 4 3 1 Red LED Low Speed Error The red LED indicates the error output of the Low speed CAN trans ceiver This output is active for the following errors 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 TJA1054 CAN transceiver by NXP for further details www nxp com OH Note When operating the PCAN LWL module in High speed CAN mode the red LED doesn t have a function 16 PCAN LWL User Manual a System 5 Technical Specifications CAN High speed CAN Low speed CAN Transit delay 2 x PCAN LWL 5m OWG stretch Optical waveguide Power supply Supply voltage Current consumption Environment Operating temperature Temperature for storage and transport Relative humidity EMC Ingress protection IEC 60529 Measures Size Weight D Sub male connector 9 pin assignment according to specification CiA 102 Transceiver AMIS 30660 Bit rate max 500 kbit s Bus termination switchable 120 Q D
6. connec tors right housing side 2 Remove the two screws on the left housing side the one with the D Sub connector 3 Pull the circuit board with the lid out of the case After changing the settings see the following subsections the assembly Is done in the reversed order PCAN LWL User Manual m System 3 1 Choice Between High speed and Low speed CAN Transceiver The PCAN LWL set can be integrated into a High speed CAN bus ass well as into a Low speed CAN bus The corresponding CAN transceiver and mode must be selected by a jumper block on the circuit boards of the PCAN LWL modules Figure 5 Position jumper block JPB1 Choice of transceiver Jumper block JPB1 Comment High speed CAN B A Default setting at delivery Low speed CAN C B When setting the jumper block make sure that the turn switch al ways is located on the side of the labels for the pin rows C B A While the PCAN LWL module is operating the set CAN mode is indicated by the corresponding LED on the casing f Tip It is also possible to use different transceivers on the two 7 PCAN LWL modules conversion High speed CAN Low speed CAN You should make sure like in any other case that the bit rates are the same on both connected CAN busses 10 PCAN LWL User Manual m System 3 2 Choice of the Input for the Power Supply A PCAN LWL module can be supplied either by an external voltage source e g the supplied AC adaptor via the
7. in the PCAN LWL modules 4 2 Transit Delay For the PCAN LWL set 2 x PCAN LWL 5 m OWG stretch a transit delay arises by the conversion of electric signals to light signals in the two PCAN LWL modules Operation mode Transit delay Corresponding cable length High speed CAN 250 ns 50 m Low speed CAN 1 5 us 300 m Because the travel time of light signals in optical waveguides approximately equals the travel time of electric signals in copper about 5 ns m the length of the duplex optical waveguide can be taken into account 1 1 for the length of the CAN bus Thus there isn t an additional transit delay at this point When installing the PCAN LWL set consider the dependence of the maximum length of a CAN bus on the used bit rate The following tables show the maximum CAN bus length at different bit rates 14 PCAN LWL User Manual e System Bit rate Max bus length Max bus length with PCAN LWL set High speed CAN without PCAN LWL 2x PCAN LWL 5 m OWG stretch 500 kbit s 110 m 60 m 250 kbit s 240 m 190 m 125 kbit s 500 m 450 m 50 kbit s 1 3 km 20 kbit s 3 3 km Using these bit rates the transit delay 10 kbit s 6 6 km can be disregarded 5 kbit s 13 0 km Bit rate Max bus length Max bus length with PCAN LWL set Low speed CAN without PCAN LWL 2 x PCAN LWL 5 m OWG stretch 125 kbit s 500 m 200 m 50 kbit s 1 3 km 1 km 20 kbit s 3 3 km 3 km 10 kbit s 6 6 km Using these bit rates the transit delay 5 kbit s 13 0 km can
8. it s D Sub sockets for connection to the PCAN LWL modules pin assignment according to CiA 102 specification Power supply with AC adaptor or via the D Sub connector 1 3 Scope of Supply 2 pieces CAN to optical waveguide converter including AC adaptors Choice of 5 or 10 m FO cable 62 5 125 um duplex line ST connectors other lengths available on request Manual in PDF format PCAN LWL User Manual a System 2 Connectors 2 1 CAN Toggle D Sub Switch Connector Figure 1 Casing side with toggle switch and D Sub connector for CAN A CAN bus High speed CAN as well as Low speed CAN is connec ted to the 9 pin D Sub connector on the left casing side The pin assignment for CAN corresponds to the specification CiA 102 GND c gt CAN_L CAN H gt GND Vin optional lt Figure 2 Pin assignment D Sub connector Pin 9 can be used for power supply of a PCAN LWL module See section 3 2 Choice of the Input for the Power Supply on page 11 for further information PCAN LWL User Manual a System 2 2 Optical waveguides OMWG OWG Voltage OUT Socket Figure 3 Casing side with OWG connectors voltage socket and LEDs A PCAN LWL module has two standardized ST connectors for the optical waveguides The connections are separately in charge of sending and receiving light signals Both optical waveguides of the duplex line are marked with colors at each connector For both modules connec
9. livery Low speed CAN C B CAN Termination CAN mode Terminating resistor High speed CAN 120 Q between CAN Land CAN H OFF D ON N or 2 Low speed CAN 510 Q 5 6 kQ toggle switch at the casing Status LEDS LED Meaning Red Error condition Low speed CAN Orange Low speed CAN connection Yellow High speed CAN connection Connectors Voltage input socket CAN Vin 9 D EES CAN L EE Vin 6 5 30 V DC CAN_H 5 GND OWG Vin optional LWLIN LWL OUT I gt 21
10. so use a small flat tip screwdriver The positions of the switch are defined as follows OFF D up ON Y or D left or right 3 3 2 Low speed CAN Bus Termination Every node on a Low speed CAN bus ISO 11898 3 has a termina ting resistor For optimum system conditions the whole network should be terminated with 100 Q parallel connection of all termi nating resistors A single node is terminated with 500 Q up to 6 kQ To simplify the adaptation of the PCAN LWL module to existing networks you can switch between the terminating resistors 510 Q up and 5 6 kQ down with a toggle switch at the casing 12 PCAN LWL User Manual m System 1 5 O 000060 O 09 09 O PU t Toggle Switch Figure 7 Toggle switch at the casing side with D Sub connector For smaller networks or for testing single components set the switch to 510 Q For monitoring or configuring existing networks already optimally terminated set the switch to 5 6 kQ in order to minimize an influence on the total termination OH Note When the High speed CAN transceiver is activated the switch for the Low speed CAN terminating resistor has no effect 13 PCAN LWL User Manual System 4 Operation 4 1 CAN Bit Rate When operating the PCAN LWL modules it must be ensured that the bit rate is identical on both connected CAN busses No conver sion or automatic adaptation of the bit rate is done
11. t the OWG output of one module with the OWG input of the other Optical wave guide Connector at Connector at marker 1 PCAN LWL module 279 PCAN LWL module Red OWG IN OWG OUT Black OWG OUT OWG IN PCAN LWL User Manual System 2 3 Voltage Supply A PCAN LWL module needs a DC voltage of 6 5 to 30 V At the voltage input socket you can connect the supplied AC adaptor Vin 1 9 GND Figure 4 Assignment voltage input socket See section 3 2 Choice of the Input for the Power Supply on page 11 for further information PCAN LWL User Manual System 3 Configuration At the PCAN LWL housing the termination for a Low speed CAN bus can be adjusted by a toggle switch and the termination for a High speed CAN bus can be adjusted by a rotary switch On the circuit board of the PCAN LWL module you can do the following jumper settings affecting the basic operation Choice between High speed and Low speed CAN transceiver Choice of the input for the power supply i e Tip At delivery the PCAN LWL set is configured to be used in a 2 High speed CAN bus system and to be supplied via the voltage input sockets on the housing sides of the PCAN LWL modules If you use this common configuration a change of the settings as described in this chapter is not needed For doing jumper settings the circuit board must be taken out of the casing To do so do the following 1 If extant remove the protecting caps from the OWG
12. ystem 1 Introduction Tip At the end of this manual Appendix D you can find a 2 Quick Reference with brief information about the installation and operation of the PCAN LWL modules For use in explosion proof areas or for EMC measurements two PCAN LWL modules can be used to replace a stretch of CAN net work with optical waveguides OWG German LWL at any point There are the options of conversion to High speed CAN or Low speed CAN The modules are supplied with power externally 1 1 Properties at a Glance LED indication for transceiver status High speed CAN AMIS 30660 transceiver max 500 kbit s switchable 120 Ohm bus termination Low speed CAN TJA1054 transceiver max 125 kbit s switchable 510 Ohm 5 6 kOhm bus termination bus error indication Fiber optic duplex line 62 5 125 um ST connectors Aluminum casing CAN bus connection via D Sub 9 pin in accordance with CiA 102 Supply voltage from 6 5 to 30 V Supply via D Sub 9 pin or DC socket jumper Operating temperature range from 0 to 70 C 32 to 185 F PCAN LWL User Manual a System OH Note You can find additional information about the properties and the behavior of the Low speed CAN transceiver TJA1054 in the corresponding data sheet which you can download for example from the NXP website www nxp com 1 2 Prerequisites for Operation High speed CAN bus ISO 11898 2 max 500 kbit s or Low speed CAN bus ISO 11898 3 max 125 kb
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