User Manual
Contents
1. 0 cece eccccccccececececececucucuceceeecaeaeaeaeaeaeseaeseaeseaecenececeeeseeaeeeaeenenenseneass 13 Document 22580 HB 1 0 E CANtouch V GEMAC Sensorik Messtechnik ASIC Design Table of Contents 12 ob audeo sine cea ee ee ae ee Eee 14 13 Station MEaSUTEMERL nenne ne ee een enter 15 OSEE ge B al OS RR RNC 15 13 2 All Stations measurement 022 00022000200002nn0 nenn onnnnonennennnnnnnnunnnnenennnnennnnnnnnnnnnnnnnennnnenennennnnnnen 15 19 9 One Staton Measurement een 16 14 P 9 61610 UNION OR ee ee ee mete ene Die re ee 17 14 1 BECAUSE SAGE cae ee ee ee nee eee ee eer eee eee 17 14 2 Transmit MESSAGES pia ie ciectectiecncetlcanitainondauanicvamadinnwactinneieantiowainseinnnesitnntdiens Mx Ub sawecuanmowdadaysnen Benannte 18 14 9 Receive MESSAGES re ee Re nee ee 18 ERE a See ee ee ee 19 ONO FMM c 4 OY 19 15 1 1 Versions EDO r ee RM NUM E Oo UC ME oe 19 I NAM Liu 19 X MUN e 9 oy EEC c H eP 19 19 4 RUDI e 19 19 19 AU A ON ee TEE 19 jme elei Dco RN DONE ee ee se 19 192 5 CN TEM KT seen eeeoneaelaee 20 STRIS M e 20 192 2 VAN DUS RR en ee EE2. Thanks to its wide range of applications its high data transfer rate and above all through its high tolerance against interference in the field of plant automation the CAN bus has been well established for the last few years Nonetheless even when starting up new plants but also during operation a large number of prob lems occur resulting quickly in undesired and often expensive failures CANtouch is a battery operated handheld diagnostic device for the physical and logical analysis of CAN bus systems Its state of the art operation via touch screen provides intuitive and efficient handling without additional PC As a further development of the CAN Bus Tester 2 it possesses not only its functionality but in addition provides new measuring functions A simplified evaluation method based on a combination of traffic lights and smilies will assist you in quick assessment of the measurement results Thanks to the inte grated update option you are already prepared for future extensions today New functions can be enabled by purchasing additional licenses at any time Document 22580 HB 1 0 E CANtouch 1 GEMAC Sensorik Messtechnik ASIC Design 2 Start up 2 Start up 2 1 Scope of Supply Check the completeness of the CANtouch against the following list E CANtouch basic unit m USB cable 1 0 m EB Power supply AC DC adapter Design Desk power pack Input 90 264 V 47 Hz 63 Hz Output power 35 W
3. A GEMAC Sensorik Messtechnik ASIC Design User Manua CANtouch CA Ntouch GEMAC Gesellschaft fur Mikroelektronikanwendung Chemnitz mbH Phone 49 371 3377 0 Zwickauer Stra e 227 Fax 49 371 3377 272 09116 Chemnitz E Mail info gemac chemnitz de Germany Web www gemac chemnitz de MA NEANS VOR YY AB J i ME SY fF WHR 2 VKH N User Manual CANtouch Version 1 0 Date 03 19 2014 GEMAC Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Zwickauer Strake 227 09116 Chemnitz Phone 49 371 3377 0 Germany Fax 49 371 3377 272 E Mail info gemac chemnitz de Web www gemac chemnitz de A Sensorik Messtechnik ASIC Design Revision Overview Revision Overview Date Reusion ctaneete 03 19 2014 0 First version Copyright 2014 GEMAC Gesellschaft fur Mikroelektronikanwendung Chemnitz mbH Subject to change without prior notice Our policy is one of continuous improvement and consequently the equipment may vary slightly from the description and specifications in this publication The specifications illustrations and descriptions provided in this documentation are not binding in detail No part of this publication may be reproduced in any form or by any means without the prior written permis sion of GEMAC Gesellschaft fur Mikroelektronikanwendung Chemnitz mbH All rights according to the copyright law expressly reserved to GEMAC Gesellschaft f r Mikroele
4. Q M Terminierung Ende A A ess ae Neung 14 Document 22580 HB 1 0 E CANtouch 13 Station Measurement GEMAC 13 Station Measurement License required The results of this measurement are saved as an binary file and are also available after restarting the appli cation Correct assignment of the measured signal levels to the individual stations requires correct setting of the bus system used CAN type The Station Measurement realizes the most important measuring function of CANtouch the station re lated physical measurement of the physical bus characteristics For a detailed description refer to Section 16 Meas the Physical Bus Characteristics per Station 13 1 List of stations The station scan determines automatically depending on the bus system selected CAN type all transmit ting stations or IDs transmitted on the bus and enters them in a list This list is the basis for further sta tion related measurements Tap Station Scan to create a list of stations to be measured Station already existing in the list will not be deleted Tap a station and subsequently to move the station within the list Tapping removes the station from the list To delete the complete list tap and hold your finger on 13 2 All Stations measurement This measurement provides a quick overview of the signal conditions of all sta tions at the bus The measured quality value is displa
5. 20 19 2 I ROSE ee een 21 16 Meas the Physical Bus Characteristics per Station u 4u0000s0nRnnnnn nennen nnnnne nenne nennen 22 16 1 Disturbance free voltage rANGe ccccccssccccsseeccseeecseeeeccueeecsaeeecsuseseeueeesaueesseaeessaseessageessaeeseeeneesas 23 15 2 Edge SES SS SS ae a che asian State Savrinbodimedatnie E NUILLA toa DI nC NIE DNUS 23 16 3 Generalgualiyievel cnesense en een uni anakeenend 23 16 4 Oscilloscope display with message frame analysis u022440024440Rnenn nenne nenne nnennn nme 24 17 Technical Specifications 0020000200002000nnnno nenne nenn nnne nenn nnnne nenne nenn nnennnnnnennnnnnennensnnenennnnnnnnn nennen 25 18 Maintenance and Customer Service uussssessssesnsnenennenennnnenenennnnnnnnnnnnnennenennnnennnnnnnnnnnnnenensnnnennnenennnen 27 1921 IMAINIENANC Oele ee een 27 19 2 euet Mae een E E E E 27 19 2 Eu nee een see ee er E 27 19 2 2 U ora 0 t EE ee ee ie een ee 27 18 2 3 Warranty and limitation of liability 4400444000Benne nenne nnnnnn nennen nennen nenne nennen nenn nne nennen 27 DOORS TING DIOR ANON nee oom 28 LONO Se ee ee nie een een 29 VI Document 22580 HB 1 0 E CANtouch 1 Introduction 7 Sensorik Messtechnik ASIC Design 1 Introduction Thank you for purchasing CANtouch You have acquired a tool supporting you in the start up analysis monitoring and servicing maintenance of your CAN bus system
6. Bus active SAE J1939 the Node ID MAC ID or source address is decoded from the CAN An automatic determination of the current baud rate can always be ID of the message frame and used for assignment of the station As soon as narad be Perang and Paiding Ihe this ID or the source address is detected and if it is identical to that of the sta tion to be measured the frame concerned is physically measured 20 Document 22580 HB 1 0 E CANtouch GEMAC Sensorik Messtechnik ASIC Design 15 Settings wa Baud rate Use this menu item to specify the baud rate for the CAN network to be measured or let the CANtouch determine the rate automatically by pressing and holding down the HOME button i Timeout If no message frame of the station to be detected is measured within the time specified under Timeout the currently running measurement is interrupted and Timeout is displayed gt o Ref ground To be able to determine the absolute signal levels in the measurements Common Mode Voltage CAN Level Difference and CAN Level Absolute as well as to be able to measure the shield voltage the reference ground against which these levels were measured must be set Measurement against CAN V pin 6 of the 9 pin D Sub CAN socket is set here If the CAN V line is not connected in the con nector of the cable you are using then switch the reference ground to the external ground connection and connect it to the ground of the sta
7. Connection cable Length 1 8 m with extra low voltage plug Euro power supply cord 1 8 m Manual in German and English u Cleaning cloth 2 2 Handling safety notes Always handle the CANtouch with the required care Its display is made of glass and thus may break if the device falls on a hard surface or is subjected to hard impact Before turning on the CANtouch allow the de vice to warm up to room temperature When operating the device it is imperative to observe the general ac cident prevention regulations relating to the use of measuring instruments The device must only be used in dry rooms 2 3 Battery The CANtouch is fitted with an integrated rechargeable lithium ion battery The battery must not be re moved or replaced by the user If the battery must be changed contact the customer service at the address specified in Section 18 2 Customer service The battery should be recalibrated every few months to ensure that the charge condition and the remaining battery life displayed on the screen remain exact To this end it is sufficient to fully charge and subsequently discharge the battery 2 Document 22580 HB 1 0 E CANtouch 3 Overview of the CANtouch GEMAC 3 Overview of the CANtouch 3 1 Connections Power charging BATTERY button USB port signal lamp HOME button CAN connection 14V 12 5A 710 r imi B Connection for Battery power supply External status indication and battery ch
8. ee ee ehe nennen A E E A A 5 9 2 BTY DUON nee ae E E T E EA 5 AOPE AO aee ee a nee ee ee 6 IN NOC die io o RR ee ee Eee ee ee Een EEE ee een ge 6 4 2 Home SEIEN ee ae ee eee er oe ee ee 6 4 31 OS Meg remo EI 0 c 6s RECETTE EORR Em 6 5 License WTA A GOI OR ee a ee rennen T BEL CENSE MOUEI zurueck ehe bene N E Eee re EA T ETAN T 5 2 Tna ver lO See a A A een Sena EE engen A T 6 Bus Status MEASUFEMIS AG ccs dines sudo sc sea a ceeded Sasheadhensiertetavtaesindamedcedududaussacauicuens 8 SMS TESI e E Tc TR 8 0 2 BUS raie OR ee een nee een 8 7 Bus Error M SuUreMe nh cccececcecececccceccccucuceuuceueneuceneauauentueaueneacaueuaneneueauenuauenentaceneneateneauenentaneneenneans 9 7 1 UEN WS ee cece ae nenn nie Sen eae een ee ee 9 8 BUS Voltage Measurement ua Eom 10 8 1 CADNGSUDDIV VOLO unes nee ta se ne een engeren seen een eee 10 8 2 AIS VOL Serena ei aa Eom 10 9 Common Mode Voltage Measurement us0 4400000nennennn nennen nennen nennen nennen nnn nns nsns rsen nnn nnns 11 10 CAN Level Difference MeaSUureMenL ccccecececececcceucecccececuceceneuuacceeseceueneauauaceeeneneneneauacseaneeneneaneeens 12 10 1 CAN level difference recessive ssssssssssee HII emm mI nemen nemi remet reme re tettememererere nennen 12 10 2 CAN level difference COMING u ee he PER De cdd Cede een ee 12 11 CAN Levels Absolute MeaSUreMe NL
9. C Sensorik Messtechnik ASIC Design 9 License Management 5 1 License model The CANtouch basic variant can be used for the following measurements a S mem Bus Bus Com Mode CAN Levels CAN Levels Status Errors Voltages Voltage Difference Absolute The following optional measurements can be enabled as required by purchasing additional licenses va i Bus Station Protocol Wiring Measurement Monitor To be able to use the optional measurements you must purchase the appropriate license Then a license file cbthlic is made available to you Copy this file to the drive of the tester as connected via USB Then you can enable the license for your device via Settings Licenses Activate Licenses 5 2 Trial versions After purchasing the CANtouch it is possible to test all optional measure ments once for a period of 30 days This period starts with activation of the ns trial version by the user t3 TET l CAN After expiry of the trial period the optional measurements are disabled T CANopen 1 again and you will need an appropriate license to use them permanently Deren gt J You can view the license status or the remaining runtime of the trial ver SAE j1939 sions by way of the icon of the application mF Bun tino 1 w Protocol Monitor E No license present measurement locked itu Activate Licenses gt Trial version with a remaining test period of 30 days a
10. L ag y JM 3 45 V 1 54 V 1 46 V Any deviations from the voltage levels to be expected are acquired and dis B CES played as a warning or error le ale Ale al a Dominant CAN_L Description Legend CAN L Levels Abs What can I do when or are displayed CAN Levels Absolute Check the cable for short circuited or interrupted CAN H or CAN L signal lines To this end use the Bus Wiring measurement Check that the bus is correctly terminated the resistance at both ends must be 120 O Remove individual modules temporarily to rule out faulty CAN transceivers Document 22580 HB 1 0 E CANtouch 13 A Sensorik Messtechnik ASIC Design 12 Bus Wiring 12 Bus Wiring E License required The results of this measurement are saved as an XML file and are also available after restarting the applica tion With the wiring test it is possible to determine line short cir es X Home SUS x cuits line breaks the bus termination the loop resistances of 4 Connect term at the beginning the CAN line and the CAN power supply line and the overall 125 kBit s 14 01 11 f ihre line length To ensure correct bus cabling it is recommended Aag Ta to perform the wiring test at the beginning of any system measurements 125 kBit s 14 00 Tr The wiring test is performed as a sequence of four steps The 9 Termaeriheshoriingml g test requires certain int
11. Legend In the dominant state the differential voltage between CAN_H and CAN_L should display a value around 2 V Smaller voltages could result in misinter t pretation by the CAN transceivers and thus in communication faults Volt e cane ages higher than 3 V are an indication of problems at the CAN bus Levels Diff What can I do when or are displayed CAN level difference EB Check the cable for short circuited or interrupted CAN H or CAN L signal lines To this end use the Bus Wiring measurement BE Check that the bus is correctly terminated the resistance at both ends must be 120 Q mM Remove individual modules temporarily to rule out faulty CAN transceivers 12 Document 22580 HB 1 0 E CANtouch GEMAC 11 CAN Levels Absolute Measurement 7 Sensorik Messtechnik ASIG Besiqn 11 CAN Levels Absolute Measurement The CAN Levels Absolute measurement is started immediately when the app is opened i ui om and is only quit when the app is closed The results of the measurement are not saved Abs Press J to restart the measurement Press 2 for more information about the measurement CANtouch continuously measures the absolute levels of the CAN_H and CAN_L signals with reference to the CAN_V line If these levels are too low or too high misinterpretations by the CAN transceivers and thus com Levels Absolute munication faults may result Rezessiv CANH cay Rezessiv CAN_
12. active when CAN messages are received and have the following meanings E 2 x Start B E Switch between the modes Scroll CAN messages in the order in which they were received 18A Remote frame Length 4 100 12 Overwrite CAN messages sorted by their CAN ID BE 124 9 Switches between display of a consecutive number and the time lapse since the previous message E ni Ve 301 FF e j Deletes the complete reception list ER 87 Frame Error scrolls to the end of the reception list only available in the s Scrolling mode Tap Start to receive CAN messages Tap Stop to stop the reception 18 Document 22580 HB 1 0 E CANtouch 15 Settings GEMAC 15 Settings 15 1 Info 15 1 1 Versions update Home This menu item can be used to display the serial number and information about fe the software version of your CANtouch and to update the firmware ER Battery Licenses 15 1 2 Battery Rating bee Manufacturer This menu item can be used to display charge information the time to empty E Sersanchete and further parameters in respect of the battery To calculate the time to emp setae ty time to full the current is evaluated over a longer period of time n CAN bus 15 1 3 Licenses Q Reset This menu item displays the licenses for the optional measurements on your CANtouch Tap Activate Li censes to enable further measuring functions see als
13. ality value Disturbance free voltage range Edge steepness Check the cable for short circuited or interrupted CAN H or CAN _L signal lines To this end use the Bus Wiring measurement Check that the bus is correctly terminated the resistance at both ends must be 120 Q Check your bus with reference to the maximum permissible cable and branch lengths for your baud rate Remove individual modules temporarily to rule out faulty CAN transceivers Replace individual modules or cable segments 16 Document 22580 HB 1 0 E CANtouch 14 Protocol Monitor 14 Protocol Monitor License required I 1 i GEMAC Sensorik Messtechnik ASIC Design The send and receive lists are saved as an XML file and are also available after restarting the application The XML file can be edited on the PC to quickly create more comprehensive message lists Use the protocol monitor to record CAN messages or to send user defined CAN messages 14 1 Creating messages After starting the application you will automatically be in the editing mode Here you can create new messages in the Send window or modify existing messages Tap to append a new message to the list X removes a message Use the arrows 4 to move a message within the list Tap amp gt to edit a message Activate Cycle to send a message repeatedly with a set cycle time The Count field specifies how often it is sent If you enter 0 the num
14. arging POWER button ground connection 3 1 1 Power supply charging Only the supplied power supply unit must be used for power supply and charging of the integrated battery via the extra low voltage socket It possesses a wide range input designed for connection to mains voltages from 100 V to 240 V with 50 60 Hz While the battery is being charged the signal lamp Power charging is lit yellow alongside the extra low voltage socket A green LED means that the battery is fully charged If the LED is not lit check that the power supply unit is connected to the mains and the plug connector is connect ed correctly 3 1 2 Connection to the CAN bus The CANtouch is connected to the CAN bus system by way of a 9 pin D sub connector The connector pin assignment complies with CiA DS 102 1 Reserved 2 CAN_L CAN_L bus line 3 CAN_GND GND 0 V V 4 Reserved 5 CAN SHLD Shield 6 CAN V GND GND 0 V V 7 CAN_H CAN_H bus line 8 Reserved 2 CAN_V Optional external supply voltage 24 V 3 1 3 Using the adapter set An adapter set is available as an option to connect the CANtouch to networks by way of 9 pin subminiature D connectors or M12 plug connectors see also Section 19 Ordering Information Document 22580 HB 1 0 E CANtouch 3 GEMAC 3 Overview of the CANtouch APTER GA NItouch CA Nitouch 3 1 4 USB connection The CANtouch can be connected to a PC or notebook by way of a USB cable it appea
15. ase of amp CAN CANopen SAE J1939 or always in the case of DeviceNet is mea ams sured and displayed cyclically DAN BUR VOTAdS 8 2 Shield Voltage Normally the shield of all connected CAN devices should be connected to the protective earth together with the CAN V on the power supply This Shield Voltage i 9 means that no current flows through a correctly connected shield and the RUE Tak shield has the same power level as the protective earth A current flow in UU PTUDT mm the CAN V line current consumption of the CAN devices increases their voltage level and results in a negative voltage offset of the shield voltage measured against CAN V Q Voltages CANtouch measures the shield voltage between the shield connection CAN_SHLD and CAN V continuously What can I do when or are displayed Shield voltage Make sure that the shield and CAN V are connected both to each other and to the protective earth Check the shield for short circuits and interruptions Check the shield for correct earthing The shield voltage measurement need not be performed if you use own shield wiring technologies deviat ing from those as recommended 10 Document 22580 HB 1 0 E CANtouch GEMAC 9 Common Mode Voltage Measurement A Sensorik Messtechnik ASIC Design 9 Common Mode Voltage Measurement The Common Mode Voltage Measurement is started immediately when the app is opened and is only quit when the app is cl
16. ber of mes sage sending cycles is unlimited Tap a numerical field to unhide a virtual key board for value input Tap Apply to complete your input and to return to the message list Document 22580 HB 1 0 E CANtouch Home x amp Start gt 080 000 01 OA gt 000 80 OA lt gt 7OA Remote Frame Length 6 7E5 04 01 00 00 00 00 00 00 60A 23 11 10 O1 6C 6F 61 64 Transmit Apply Edit Message Identifier 60A Ext RTR y DLC 8 Data 23 11 10 01 6C 6F 61 64 Cycle One time transmit Cyc time ms Count P ums Transmit 17 GEMAC 14 Protocol Monitor 14 2 Transmit messages Tap Start to activate the CAN controller and to switch to the sending mode Home ransmit The LED in the top right corner indicates the status of the CAN controller Tap Stop to return to the editing mode thm 0s CAN controller active transmit and receive possible a CAN controller has reached or exceeded its warning limit 000 80 0A CAN controller has been turned off automatically Bus off state 704 Remote frame Lengthei CAN controller deactivated editing mode TES 04 01 00 00 00 o0 00 00 e 60A 23 11 10 01 6C 6F 61 64 To send a message tap it once Repeated sending of messages is started in the same way Sending is quit by tapping the message once more Transmit 14 3 Receive messages The buttons in the toolbar are also
17. bit width are ex cluded from the determination of the disturbance free voltage range Signal overshoot and settling process es are excluded from the interference voltage measurement if they lie outside the evaluation period A volt age drop of less than 1 64 of the bit time during the evaluation period cannot be detected reliably any more and in this case also has no influence on the determination of the disturbance free voltage range 16 2 Edge steepness To evaluate the transmission properties of the bus cabling and of the individual CAN bus stations complete ly in addition to the disturbance free voltage range the edges must also be studied shallow edges can also prevent the correct decoding of the transmission signal CANtouch determines the edge steepness for rising and falling edges separately To this end two thresh olds are set at 10 and 90 of the signal level determined determined differential voltage at 42 64 2 3 66 The time required by the difference signal to change between these voltage threshold values is mea sured both for falling and rising edges The rise and fall times are determined with a resolution of 1 64 of the baud rate used and displayed as a value between 0 64 and 64 64 This value always specifies the slowest rising and falling edge of the measured frame A measured value of 0 64 means that the level change takes place in less than 1 64 of the bit width 16 3 General quality level The quality leve
18. ctivated Activate 30 Days Trial versions measurement can be used temporarily License present measurement can be used permanently Document 22580 HB 1 0 E CANtouch T GEMAC Sensorik Messtechnik ASIC Design 6 Bus Status Measurement 6 Bus Status Measurement The Bus Status measurement is started immediately when the app is opened and is only quit when the app is closed The results of the measurement are not saved Press J to restart the measurement Press for more information about the measurement 6 1 Bus status The bus status provides a quick overview of the status of your CAN bus amp system A cyclic measurement over one second indicates whether or not bn data traffic level change is present and whether or not the CANtouch is BIEMENEUS Q Level change detected on the bus connected correctly to the bus If the system is stopped no data traffic the idle level of the bus is measured and evaluated If this value lies in an im Bus Traffic Load 396 F 3 Max M n a permissible range this will be indicated Conclusions regarding errors in the bus cabling can be drawn from the value of this difference voltage The bus status display comprises multicolor LED graphics and a descrip tion text The LED changes its color depending on the bus status yes Differential voltage in the forbidden range 0 5 V 0 9 V alll Q Bus static no level change detected on the bus withi
19. eepness Dist free voltage range m Reflecions 7 0 Quality level 16 4 Oscilloscope display with message frame analysis To be able to evaluate signal transitions and measure reflections CANtouch records the signal characteris tic of the measured message frame and represents it on the oscilloscope display of the Station Measure ment Sampling is performed at 64 times the set baud rate over a total of 160 bits 64 x 160 10 240 points The trigger point for the recording always lies on the first edge of the relevant message frame with an advance of 3 bits 24 Document 22580 HB 1 0 E CANtouch 17 Technical Specifications GEMAC Sensorik Messtechnik ASIC Design 17 Technical Specifications General parameters and overview of functions Languages Bus systems CAN type Bit sampling Supported baud rates Bus status Bus errors Bus voltages Common mode voltage CAN level absolute differential List of stations Quality level Disturbance free voltage range and edges Oscilloscope display Protocol monitor Firmware and FPGA configuration German English CAN 1SO11898 2 CANopen CiA301 DeviceNet EN 50325 2 SAE J1939 64 fold 10240 sampling points Depending on CAN type 10 20 50 100 125 250 500 800 1000 kbit s Additionally user defined 5 33 3 62 5 75 83 3 200 kbit s Automatic detection via baud rate scan Bus traffic detection display dominant
20. eractions from you such as activation Fasz E zl X TE deactivation of the terminators and connecting of a shorting ame plant for measurement ELI plug A wizard guides you through the process A Prepare 3 The wiring LE occurs in four i sequent steps There are some user Select the plug connector used in your system to display an interactions necessary assignment of the signals to the pins in the plug connector ee Disconnect all stations from the bus The values of the terminators are evaluated by CANtouch Remove both bus terminations Connect the tester at the Next beginning of the plant The measured loop resistance values should coincide with NoT connect the shorting plug the measurement values of the cable of appropriate line length used Higher values than expected are an indication of transition resistances in plug and terminal connections aliad Ergebnis Ok 4 I Ergebnis Fehler D Sub 9 Beim Kurzschlusstest PITT jjejstzll gallar a 7 CAN_H 54321 zwischen CAN_L und CAN V festgestellt 5 K CAN SHLD Erfolgreich 7 9876 Bitte beheben Sie das 9 CAN_V Problem Female 6 CAN_V Zi siia gallar 7 CAN H Terminierung Anfang 1210 E i 2 CAN_L Terminierung Ende 58 42 e 5 K CAN SHLD Br 9 CAN_V a m Leitungslange 8 6 CAN V Schleifenwid CAN H L 3 29 Terminierung Anfang Schleifenwid V V 3 22 nr
21. he top margin 4 2 Home screen 323 IH Status Bar Thanks to the sophisticated touch screen operation of v ToolBar oa Bus Bus Bus ping and swiping on the screen Status Errors Voltages CANtouch it can be handled intuitively and efficiently in a similar manner to state of the art smartphones To interact with CANtouch use your fingers to activate functions by tap All measuring functions are realized as applications Apps ce a To open an app tap it To close press the Exit button in the Gurr Made CAN Levels Voltage Difference toolbar of each app or use the Home button to return to the Home screen L The Settings menu can be found on the right hand side of wiring Measure Wa the control center X in the toolbar of the Home screen see also Section 15 Settings 4 3 Icons in the status bar The icons in the status bar at the top of the screen display information about the CANtouch 125 kbit s Baud rate Displays the currently set baud rate 11 34 00 Time Displays the current time 66 o o MN Battery Displays the battery status or the status of the charging process Lie Ext Ref GND Displays that the external ground connection was selected as the reference ground b Listen only Displays that the Listen only mode of the CAN controller is active In this mode no acknowledgment is sent by the CAN controller 6 Document 22580 HB 1 0 E CANtouch 9 License Management GEMA
22. ktronikan wendung Chemnitz mbH Note Use of the CANtouch device and proper understanding of this Manual require general knowledge of the CAN Bus CANopen DeviceNet and or SAE J1939 fieldbus systems IV Document 22580 HB 1 0 E CANtouch Table of Contents GEMAC Table of Contents 1 INtFOCUCTION c cccccececcacecececccccueneuceueaueceneucaueneateneauaueneutaueneateneueatenentateneuuaneneuteneneauentauaneneassueatanecuutanesneeans 1 Zi P 2 De WOO OF area 2 2 2 Handling safety NOTOS MR een nee 2 PACA erinnere H 2 3 Overview of the CANtOUCN 200 02 ccc c ce ccccccccacecececececcceceucueucucucuueneneaeaeueucuceneneauaeaeatseaueneneaeaesteaetaueueeneeneeaees 3 GM Gans elle Di ee ae ee le een ee energie 3 3 1 1 Power supply charging is ee ee uno duds Uic dU 3 3 1 2 Connection to the CAN DUS c cccccccccececcceccceccneccceucucuceceneaeeuescuceneneneaeatecstenenenuauceeeetecenentens 3 Delco Using th adapler Seal wenn une een nennen 3 314 USB COMME e RT TRRTTRETOEEPRERRM A 4 3 Euer qoi Relre UpeKeoger eio n H HRPR 5 3 2 BUHONS TTTRRRNTERRRR A 5 3 2 1 POWEr DUNON arrarir Tnn Er ENNEA EAE EE a A EO EE ERENT E EAEE NENA EDEN 5 3 22 HOME DURO arrn nee
23. l is a generally valid expression of the signal quality on the bus It represents the most im portant physical properties of the bus and summarizes these in a single value The quality level is specified as a percentage value The value range is 0 100 The value is determined from the following three components important for the signal quality E Edge steepness The edge steepness is measured as x 64 A steepness of 0 64 represents an ideal edge steepness and is valued as 100 The worst flank is defined as 32 64 and equates to 0 Edge steepness E 100 gt x 0 32 Document 22580 HB 1 0 E CANtouch 23 GEMAC Sensorik Messtechnik ABC Design 16 Meas the Physical Bus Characteristics per Station u Disturbance free voltage range A disturbance free voltage range of 1 0 V is defined as 0 a value of 2 2 V as 100 U 1 0V Disturbance freevoltagerange 2c p OUS gt U4 pH lOV 2 2V Reflection Reflection is the relationship of the disturbance free voltage range to the peak to peak voltage If the peak to peak voltage is identical to the disturbance free voltage range this is the ideal case and represents 100 If the peak to peak voltage is twice the value of the disturbance free voltage range this is defined as 0 U ss Reflection 2 100 gt U lU um 0 07 3 0V disturb disturb All three components contribute equally to the calculation of the quality level Edge st
24. n endanger the correct detection of the bit stream CANtouch provides an evaluation of the difference signal in the form of a general quality value the distur bance free voltage range and the edge steepness as well as using the oscilloscope display All these mea surements are determined within a message frame Contrary to the quality level providing a general evaluation of the signal quality for the bus the determination of the disturbance free voltage range and of the edges as well as the oscilloscope display are useful aids for targeted troubleshooting Peakt to peak Disturbance free voltage voltage range Differential voltage V Time 44 64 bit width Evaluation period 68 Definition of disturbance free voltage range peak to peak voltage and signal level 22 Document 22580 HB 1 0 E CANtouch GEMAC 16 Meas the Physical Bus Characteristics per Station A Sensorik Messtechnik ASIG Design 16 1 Disturbance free voltage range The disturbance free voltage range is understood as the disturbance free range of the differential voltage which is determined over a certain part of each bit1 of the message frames of the station to be measured This part is called evaluation period Each bit is sampled 64 times The disturbance free voltage range is evaluated over 44 64 of the bit width 68 of the evaluation period At the beginning and the end of each bit 10 64 each of the
25. n the measuring time of one second difference voltage less than 0 5 V bus idle Q Bus static no level change detected on the bus within the measuring time of one second difference voltage greater than 0 9 V Q Level change detected on the bus 6 2 Bus traffic load Not only configuration problems but also diagnostic and alarm messages as well as poor transmission properties and the resulting sporadic frame repetitions can extend the bus traffic load Problems of this kind can be avoided by measuring the bus traffic load at regular intervals and saving the measured mini mum and maximum values 8 Document 22580 HB 1 0 E CANtouch T Bus Error Measurement A Sensorik Messtechnik ASIC Design 7 Bus Error Measurement Press J to restart the measurement The Bus Error measurement is started immediately when the app is opened and is only quit when the app is closed The results of the measurement are not saved Press 2 for more information about the measurement 7 1 Error frames Error frames belong to the error management functionality implemented in the data link layer in all CAN controllers They permit detection of the fol lowing error types eee Current value m Bit errors Active Error Frames 2 s e Bit stuffing errors g Passive Error Frames 1 s m CRC errors m Format errors Irena E Acknowledgment errors Each error detected by the error management is notified to all other bus sta
26. o Section 5 1 License model 15 1 4 Rating CANtouch can perform an automatic evaluation for most of the measured parameters of the CAN network warnings or errors are represented using the traffic light principle and smilies The appropriate limit values are listed in this area for all parameters 15 1 5 Manufacturer On this page you will find contact information such as the address telephone number e mail address and website of the manufacturer of the CANtouch 15 1 6 Screenshots Briefly press the POWER and the HOME buttons simultaneously to take and save a screenshot Up to 10 screenshots are taken and saved in the Screenshots folder If more than 10 screenshots are taken the oldest ones are deleted The files are saved in the PNG format Document 22580 HB 1 0 E CANtouch 19 GEMAC Sensorik Messtechnik ASIC Design 1 5 Settings 15 2 Settings Use the Settings menu to configure your CANtouch 15 2 1 Device e Language Use this menu item to set your preferred language for the de a Settings vice Currently German and English are available German is set as the default fg Language English language Auto Brightness Brightness The brightness has great influence on the battery charge It is Brightness m rm recommended to reduce the brightness using the slide controller so that the D Auto shutdown 24h battery of CANtouch need not be charged so often or to
27. ommon mode voltage What can I do when or are displayed Common mode voltage Check your bus with reference to the cables used and their length Check the current consumption of the installed modules supplied via the bus The power supply unit should be installed either in the middle of the bus or in the vicinity of the modules with the highest current consumption Consider the use of additional power supply units to reduce the voltage drop over the CAN V line Document 22580 HB 1 0 E CANtouch 11 GEMAC Sensorik Messtechnik ASIC Design 10 CAN Level Difference Measurement 10 CAN Level Difference Measurement The CAN Level Difference measurement is started immediately when the app is opened u Ir and is only quit when the app is closed The results of the measurement are not saved Press J to restart the measurement Press 2 for more information about the measurement 10 1 CAN level difference recessive CANtouch continuously measures the differential voltage between CAN H Home _evels L and CAN L which should ideally be O V in the recessive state but typically lies in the range of some millivolts around zero A recessive level which de has Ue 1 JE 0 07V F viates excessively from 0 V can result in misinterpretation by the CAN Rec CANH L onc a 2 71V F transceivers and thus in communication faults Dom can HL 332v 10 2 CAN level difference dominant Description
28. on cable 0 3 m PR 22580 10 CAN connection cable 1 5 m Adapter 2x 9 pin D Sub 1x M12 full metal M12 T piece full metal Shorting plug M12 Shorting plug 9 pin D Sub Termination resistor M12 Termination resistor 9 pin D Sub 4 mm safety testing wire 3 m length 4 mm safety crocodile clip Maintenance Battery change service Change of the integrated battery PR 22580 90 Ordering Information 28 Document 22580 HB 1 0 E CANtouch MA NV CL NuWwIa ox Aa AB ME SY YF HRC 2 VKH N
29. osed The results of the measurement are not saved Press J to restart the measurement Press for more information about the measurement In a differentially operating transfer system such as CAN the term com mon mode voltage is used for the voltage of both signals relative to a com mon reference potential This is normally CAN_GND which in every device Caner eee eee is connected to CAN V On CAN both signal lines CAN H and CAN L 9 Com ModeV ov should display a common mode voltage of 2 5 V in the recessive condition In case of incorrectly performed common grounding of all nodes the com mon mode voltages may be offset relative to each other due to a voltage drop between the modules The voltage drop on the V line will also result 7 in an offset of the signal voltages when all CAN modules are supplied com 7 monly via the CAN cable This offset will be seen individually by each mod EE ule With CAN this offset is only permissible in the range between 2 V and 7 V Even if state of the art CAN transceivers permit higher values as ae 4 those of the specified range higher common mode voltages can result in errors in the communication and finally in destruction of the transceivers Com Mode V CANtouch continuously measures the absolute signal levels of all CAN modules relative to the position of the tester and determines highest difference of their signal levels the worst case total c
30. recessive not defined bus traffic Display of the Bus traffic load 0 100 characteristic minimum and maximum value saving Display of detected frame errors Distinction between active and passive error frames 0 gt 50 000 Display of the characteristic Display of the optional CAN supply voltage and shield voltage Characteristic minimum and maximum value saving Acquisition and evaluation of the maximum voltage offset between the individual bus nodes Acquisition and evaluation of the differential and absolute CAN levels of all bus nodes during operation Automatic detection via station scan Designation CAN ID ID type Node ID MAC ID Source address Value representing the signal quality 0 100 Minimum value and maximum values saved Time stamp Disturbance free voltage range typ 0 75 3 V resolution 50 mV Edge steepness falling and rising specified in 1 64th of the bit width Minimum and maximum values Trigger to message frames with a certain ID message frame analysis and full frame recording Zoom six stages Send and Receive of CAN Messages Can be updated via USB CE conformity Equipment safety EMC Low frequency interference emission High frequency interference emission Interference immunity Technical Specifications Document 22580 HB 1 0 E CANtouch EN 60950 1 2006 A1 2010 EN 61000 3 2 2006 A1 2009 A2 2009 EN 55022 2006 A1 2007 EN 61000 6 2 2005 AC 2005 25 A Sen
31. rs there as a mass storage device with a drive letter The USB connection is electrically isolated 3 1 4 1 Data exchange All measurement results are made available via the shared drive as an XML or binary file for further evalua tion Especially more comprehensive CAN message frame lists can be easily processed on the PC and transmitted back to the CANtouch 3 1 4 2 Firmware update license files Simply copy the license files and the package file for the firmware update to the connected drive These files will then be integrated into the appropriate set up pages 4 Document 22580 HB 1 0 E CANtouch 3 Overview of the CANtouch GEMAC 3 1 5 External ground connection In addition to measuring of the CAN H CAN L difference signal CANtouch can also be used to perform absolute measurements of various CAN signals against the CAN ground Absolute measurements include measuring of the shield voltage and common mode voltage CMV Normally these measurements are per formed against CAN V pin 6 of the 9 pin sub D socket In the Settings menu it is also possible to switch to the external ground connection This is necessary whenever CAN_V is not present in the cable and you must make a ground connection to the measurement object 3 2 Buttons 3 2 1 Power button The CANtouch is turned on by pressing and holding down the POWER button until the start logo is dis played If you are not using the device for a short period of
32. sorik Messtechnik ASIC Design Electrical parameters Power supply and battery Integrated rechargeable lithium ion battery Charging by way of the supplied 35W wide range power supply unit 17 Technical Specifications Times to empty Standby up to 500 hours Use up to 36 hours Measuring upto 6 hours Charge times Quick charge to 8096 in approx 1 h Full charge in approx 2 h Measuring of the differential voltage 0 75 V 3 25 V Measuring of the absolute voltage 5 0 V 10 0 V Measuring of the CAN supply voltage 0 32 V Measuring of the shield voltage 6 2 V Measuring of the loop resistances typ 0 Q 8000 Measuring of the cable length typ 0 m 500m 0 100 m Accuracy 5 2m e 100 500 m Accuracy 7 9o 7 m for a signal propagation delay of 4 5 ns m Potential difference between the CAN bus 500 V AC and USB connections Mechanical parameters Power supply unit connection Extra low voltage socket CAN connection 9 pin D Sub connector PC connection Self powered device to USB Specification 2 0 full speed in addition electrically isolated Connection of a drive for exchange of measuring data USB mass storage device Housing Aluminum housing cover glass Ambient conditions Operation temperature 5 C 40 C Storage temperature 20 C 60 C Atmospheric humidity 20 80 non condensing Degree of protection of the housing IP20 to EN 60529 Dimensions 186 mm x 102mm x 37 mm Weigh
33. t Approx 860 g Technical specifications cont d Rechargeable batteries have a limited number of charging cycles and must eventually be replaced The time to empty of the bat tery and the actual number of charge cycles are dependent on its use and the selected settings 26 Document 22580 HB 1 0 E CANtouch GEMAC 18 Maintenance and Customer Service 7 Sensorik Messtechnik ASIC Design 18 Maintenance and Customer Service 18 1 Maintenance The CANtouch is maintenance free Calibration is not necessary Any repairs must only be performed by the manufacturer 18 2 Customer service 18 2 1 Return If you send the CANtouch for repair use only the original or equivalent packaging Please give a brief de scription of the problem and your telephone number in case we have any questions 18 2 2 Support Further information about our CAN product family and newer product versions and updates for your device can be found on our website If you have any technical questions please specify the serial number of your device and its firmware version Manufacturer GEMAC Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Zwickauer Str 227 09116 Chemnitz Phone 49 371 3377 0 Fax 49 371 3377 272 Web _ http www gemac chemnitz de E Mail info gemac chemnitz de 18 2 3 Warranty and limitation of liability We will assume a warranty of 24 months for the CANtouch commencing from the date of delivery Any re pairs
34. time you can switch it to the standby mode which turns off the screen and saves the battery Pressing the POWER or HOME button once more quits the standby mode To turn off the device press and hold down the POWER button until the shutdown query is displayed and confirm In the standby mode the device is shut down automatically after a settable time Settings Device Auto shutdown Note If the device no longer responds to inputs a forced shutdown is necessary To this end press and hold down the POWER button for 5 s All measurement results and settings however will be lost 3 2 2 Home button The HOME button always allows you to return to the HOME screen irrespectively of running measure ments Holding down the HOME button starts the automatic baud rate scan 3 2 3 Battery button Use the BATTERY button to activate the battery status indication allowing you to read the remaining battery charge This function is also available when the device is turned off Document 22580 HB 1 0 E CANtouch 5 A Sensorik Messtechnik ASIC Design 4 Operation 4 Operation 4 1 Lock screen The lock screen serves as a protection from unintended operation of the INNI an device and is active whenever the standby mode is deactivated or the de vice is turned on To unlock the screen touch the arrow and swipe the lock screen upwards You may reactivate the lock at any time by pulling the lock screen down from t
35. tion to be measured CAN controller This setting is only important for the Protocol Monitor By default Bus Active is set If you do not want the CAN controller to generate an Acknowledge at the bus activate the Listen Only option Then no CAN messages can be sent 15 2 5 OU Reset Select Reset all settings to reset all settings of the CANtouch to the factory settings The measuring data remain stored Document 22580 HB 1 0 E CANtouch 21 GEMAC Sensorik Messtechnik ABC Design 16 Meas the Physical Bus Characteristics per Station 16 Meas the Physical Bus Characteristics per Station CANtouch allows to measure and display the signal conditions of each CAN bus station Any problems with the appropriate station or with the bus cabling can be inferred from the results of the signal quality CANtouch displays the following physical bus characteristics for each CAN bus station separately General quality level 0 100 Disturbance free voltage range minimum interference free differential voltage Edge steepness worst rising and falling edges of the message frame E Oscilloscope display with frame analysis for the complete message frame The CAN bus uses a difference signal i e the actual data signal is transferred via two lines inverted to each other CAN H and CAN _L The difference between these two lines generates the signal digitized by each CAN bus transceiver Any faults occurring there ca
36. tions by way of an error frame This is achieved with a deliberate coding violation All CAN controllers then discard this frame disturbed by an error frame and the CAN controller sending the frame repeats it once more Bus Errors If an active or passive error frame is detected the corresponding counter is incremented As a rule the count of this display should always show 0 If sporadic or even frequent errors occur this is generally attributable to problems with the physical bus characteristics and the corresponding transmission problems The errors are displayed either per second or as a total count You may switch between minimum current maximum and total count values What can I do when or are displayed Bus Error m Remove individual modules temporarily ans check whether the error rate changes Replace individual modules or cable segments u Perform further stations specific measurement to localize the error Document 22580 HB 1 0 E CANtouch 9 GEMAC Sensorik Messtechnik ASIC Design 8 Bus Voltage Measurement 8 Bus Voltage Measurement The Bus Voltage measurement is started immediately when the app is opened and is only quit when the app is closed The results of the measurement are not saved Press J to restart the measurement Press i to get more detailed information about the measurement 8 1 CAN Supply Voltage The CAN supply voltage which is present optionally in the c
37. use the Auto Bright fl Button sound mj ness If this menu item is selected CANtouch will use its integrated bright Battery display Percent ness sensor to adapt the brightness of the screen to the brightness of the envi EZ Date amp Time 13 03 2014 ronment automatically Auto shutdown Use this menu item to specify after which time the CANtouch is shutdown in the standby mode automatically Button sound Use this menu item to specify that the CANtouch plays a sound when a button is pressed To this end activate this menu item Battery display Use this menu item to specify whether the battery charge level as a percentage or the estimated time to empty time to full of the CANtouch is displayed in the status bar iti Date amp Time Use this menu item to set the date and the current time for your device These settings are used for the time stamp of various measurements 15 2 2 CAN bus CAN CAN type Use this menu item to specify the bus system you are using for ca Settings the Station Measurement sa CAN type CANopen During a measurement CANtouch must detect the message frames of the Qa Baud rate 125 kBit s CAN bus station to be measured to be able to evaluate its physical bus signal Timeout The assignment of a signal to a station is determined by the ID contained in Ref ground D Sub9 V each CAN bus message frame With the settings CANopen DeviceNet and 8 CAN controller
38. which are required during this time and fall under the manufacturer s obligation to give a warranty will be performed free of charge Any damage resulting from improper use of the device or from exceeding of the specified technical parameters is not covered by the manufacturer s obligation to give a warranty GEMAC mbH will only be liable for consequential damage resulting from use of the product in case of delib erate action or gross negligence on its own part The General Terms and Conditions of GEMAC Gesellschaft fur Mikroelektronikanwendung Chemnitz mbH shall apply Document 22580 HB 1 0 E CANtouch 27 19 Ordering Information A Sensorik Messtechnik ASIC Design 19 Ordering Information Configuration of the basic variant CANtouch CANtouch basic variant PR 22580 00 Complete scope of supply see section 2 1 Scope of Supply Licenses for optional software modules License CAN License key or the Application Station Measurement CAN SW 22580 00 Station Measurement CANopen CANopen SW 22580 01 DeviceNet DeviceNet SW 22580 02 SAE J1939 SAE J1939 SW 22580 03 License Bus Wiring License key for measuring of the bus wiring SW 22580 10 License Protocol Monitor License key for the CAN Protocol Monitor Transmit Receive SW 22580 11 Service case Service case Robust case with suitable foam inserts for the CANtouch power supply PR 22580 50 unit and adapter set Adapter set Adapter set CAN connecti
39. yed clearly in a bar dia gram for each station Any minimum and maximum values are also marked graphically so that variations can be recognized easily This view also displays minimum and maximum values for the quality level together with a time stamp Tap Start to start a new measurement Tap a bar in the diagram to select a station If more than 8 stations are con tained in the list you may also switch to further stations by wiping to the left or right over the bars Document 22580 HB 1 0 E CANtouch 15 A Sensorik Messtechnik ASIC Design 13 Station Measurement 13 3 One Station measurement This measurement serves for the purpose oriented examination of the signal quality of individual nodes The view displays the quality level the distur bance free voltage range the worst rising and falling edges the complete sig nal waveform and the last measured message frame for the selected station Tap Start to start anew measurement Switch between the individual stations by tapping the station address in the toolbar and select stations by swiping up or downwards Double tap the oscilloscope briefly to change the zoom factor Tap and hold your finger to switch between logical and physical representation The logical representation shows the analog signal characteristic of the measured frame together with an overlaid decoding of the CAN protocol What can I do when or are displayed Qu
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