User Manual
Contents
1. Selection of the bus system type CAN CANopen DeviceNet SAE J1939 To be able to create an over view of all nodes CANobserver must detect the message frames issued by the CAN bus nodes The as signment of a signal to a station is determined by the ID contained in each CAN bus message frame With the settings CANopen the node ID with DeviceNet the MAC ID and with SAE J1939 the source ad dress is decoded from the CAN ID of the message frame and used for assignment of the station 6 5 1 3 Baud rate The data transfer rate you wish to use for the CAN bus segment to be measured can be set under Baud rate You can also use the Baud rate scan function to have CANobserver determine the baud rate auto matically Document 22550 HB 1 3 E CANobserver 16 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 5 1 4 Baud rate scan CANobserver can determine the baud rate for a segment automatically provided that the CAN bus system is functioning correctly data traffic present bus status LED green The determination of the baud rate is started with a mouse click on Baud rate scan The baud rate determined by the system is displayed and can be accepted into Baud rate 6 5 1 5 Create Overview Create Overview determines all transmitting nodes or IDs transmitted on the bus automatically depending on the bus system selected CAN type and displays them graphically Document 22550 HB 12. Button is disabled hidden No nodes found Wrong nodes found Document 22550 HB 1 3 E CANobserver Questions Connection to CANobserver available Is the measurement Create overview currently running Is the measurement Online monitoring currently running How to solve this problem Stop the measurement Create overview Stop the measurement Online monitoring Possible causes Incorrect bus installation gt excessive reflections Excessive interference affecting the line Defective CAN bus driver Line short circuits Unsupported baud rate selected How to solve this problem Provide for transmission activity on the CAN bus Correct the baud rate manually or try a different baud rate Questions Connection to CANobserver available Is the measurement Baud rate scan currently running e Is the measurement Online monitoring currently running How to solve this problem Stop the measurement Baud rate scan Stop the measurement Online monitoring Questions Baud rate selected correctly Connection to CAN bus established Are the nodes on the bus transmitting bus status LED green How to solve this problem Set the baud rate for the bus system Establish connection to CAN bus Provide for transmission activity of the nodes Cause Baud rate or CAN type bus system not correctly selected 31 GEMAC Sensorik Messtechnik ASI
3. GARA Eagle sn 28 9 2 Customer ServiCG masse nen vue rin e Bb ade eO Deve kie ce REIHE Cep er herrederne 28 SPAM UEM 28 92 2 SUDDOFNL da aaa NA kN EEK 28 9 2 3 Warranty and limitation of liability 28 10 Ordering Information E 29 11 Problem Solutions iisen see ea re Rn ei ei en 30 11 1 Problems with the connection to GANORGGTOOTE rss 30 11 2 Problems with the web interface rss 30 Document 22550 HB 1 3 E CANobserver Ill Sensorik Messtechnik ASIC Design GEMAC Table of Contents 11 3 Problems when measuring 12 Notes Document 22550 HB 1 3 E CANobserver GEMAC Sensorik Messtechnik ASIC Design List of Tables List of Tables Table 1 CAN bus connector pin assignment enne nennen nn ELLE nnns 4 Table 2 Designation of the error LEDs on the GSuIZS rss 5 Table 3 Recording time depending on the rSSOTOn sa 22 Table 4 Default device GOTSGITSTSTZ rrura 25 Table 5 Technical SOGOIGOIOTS rrua 26 Table 6 Ordering information rss 29 Document 22550 HB 1 3 E CANobserver V GEMAC Sensorik Messtechnik ASIC Design List of Figures List of Figures Figure 1 Using CANobserVver innen nen ee anlegen 1 Figure 2 Connections and controls elements of CANobserverQG ssssssss ens 3 Figure 3 CAN bus GODDGGTO rss 4 Figure 4 Definition of disturbance free voltage range peak to peak voltage a
4. 24 1 V EN to NET Online monitorin hr g Start monitoring Exportrecord 9 Display monitorin m cR EZ 9 Last monitoring Record 9 Start 03 03 2010 09 15 45 Stop 03 03 2010 09 19 49 Duration 0d 00 04 04 5 Configuration bus system x SEM Prev monitorings Record Start 02 03 2010 12 39 59 Stop 02 03 2010 12 40 14 Duration 0d 00 00 15 4 Configuration notification Configuration error output 13 03 2010 Configuration monitoring 18 10 109 18 20 Device AEF Active error frame I pem Help PEF Passive error frame e I OVF Overload frame ACK Acknowledge error o QL Quality level 60 87 DVR DF voltage range 1 60 V I 2 25V RE Edge rising 14 64 5 64 FE Edge falling 28 64 Wi II I 8 64 Resolution 100 ms n m 2010 Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Fertig Figure 11 Online monitoring Display monitoring Clicking on the Start stop monitoring button starts or stops a new monitoring This button has the same function as the START STOP button on the device During an active monitoring the START STOP button on the device is lit and two arrows in the Status display of the web interface rotate around the symbol of the CANobserver Each time a monitoring is started and after expiry of the recording time specified in Table 3 for an active measurement a new data record is created automatically CANobserver records a maximum of 2
5. 3 E CANobserver 17 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 5 2 Configuration notification B CANobserver amp Mozilla Firefox le JZ kei Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe EO Bo GY E nttp 192168 0254 start cgi Googie 2 E CANobserver amp GEMAC ES Sensorik Messtechnik ASIC Design Device bus status e o CAlNobserver E ZO Online monitoring Notification selection Display monitoring Y Device notification device startup Y Status notification Start Stop monitoring d Error notification Configuration bus system Configuration notification e Cyclical FARMER Configuration error output Event driven Inhibit time 1 Minute v Configuration monitoring Device 7 Active error frame AEF v Passive error frame PEF V Overload frame OVF Acknowledge error ACK Quality level QL Disturbance free voltage range DVR Edge rising RE Edge falling FE Help IS SI S S S S Apply 2010 Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Fertig Figure 9 Configuration notification The CANobserver is able to send notifications by e mail when different events occur To operate correctly the device needs to be configured as described in section 6 4 5 SMTP Events relevant to the user need to be selected 6 5 2 1 Device notification When activated an e mail will be
6. 64 1s 3 days 25 GEMAC Sensorik Messtechnik ASIC Design 7 Technical Specifications 7 Technical Specifications General Parameters and Overview of Functions Use CAN type Supported baud rates Node overview Bit sampling Quality level Disturbance free voltage range Edges Bus status Bus traffic load Monitoring Error recording Error display Error output Export Firmware and FPGA configuration CAN IS011898 2 CANopen DeviceNet EN 50325 2 SAE J1939 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 Automatically depending on the CAN type 64 fold Signal quality level 0 100 96 Disturbance free voltage range 0 4 V resolution 50 mV Edge steepness falling and rising specified in 1 64th of the bit width Bus traffic detection display dominant recessive not defined bus traffic Permanent display of the bus traffic load 0 100 96 Real time monitoring of the bus for logical and physical errors Definable resolution 10 ms 1 min Active error frames Passive error frames Overload frames Acknowledge errors Signal quality below the critical quality level can be defined Signal quality below the critical disturbance free voltage range can be defined Exceeding of the critical rising edge can be defined Exceeding of the critical falling edge can be defined All recorded errors curr
7. The most important measuring functions The CANobserver can measure and display the signal conditions of each CAN bus station Problems with the appropriate station or with the bus cabling can be inferred from the results of the signal quality measure ment CANobserver can detect the following logical events errors E Active error passive error frames Error frames are part of the error management in the data link layer implemented in all CAN control lers The error management can detect bit bit stuffing CRC format and acknowledgment errors Each error detected by the error management is notified to all other bus stations by way of an er ror frame This is achieved with a deliberate coding violation If sporadic or even frequent errors oc cur this is generally attributable to problems with the physical bus characteristics and the corres ponding transmission problems E Overload frames Another special case is that of the overload frames Their design is identical to the error frames with the difference that error frames are issued within a message and overload frames between messages With these frames a CAN controller informs the others that it is currently not in a posi tion to process a new message frame As a result the start of the subsequent message is delayed E Acknowledge error All bus nodes which have recognized an issued message correctly acknowledge this by sending a dominant bit in the ACK slot of the message The va
8. r 9 atus displa FEA 24 1V Online Uberwachung teinformationen Ger t ANobserver 00 1F 53 01 00 07 n States er 22550 00 00007 M Datum Uhrzeit CAN Typen CAN CANopen DeviceNet SAE J1939 enu Version Firmware V01 16 01 Marz 2010 Gk Version FPGA V01 41 HTTP e Ger testatus Sprache Deutsch SNMP Bi eingeschalten 53 h 29 min R cksetzen len berwachen 1 h 26 min E Mail erfolgreich gesendet 02 03 2010 12 42 08 Test E Mail Neustart Hilfe 2010 Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Fertig Figure 5 Overview Web interface 6 1 Language selection The Language selection icons can be used to select the display language for the web interface This set ting is then saved to the device so that the interface pages are displayed in the selected language when next called 6 2 Menu structure The menu with the menu items Online monitoring Device and Help is located on the left side of the web interface The Online monitoring menu is used to set perform and evaluate the measurement The device status can be called via Device where all device specific settings can be made Help finally calls up the user manual in electronic form and various other files required for the operation of the device A corresponding submenu with further subsections is displayed for each main menu item Appropriate con tents are displayed in the main frame depending on the selected main menu submenu
9. 0 data re cords max total runtime 10 years Thereafter the oldest data record is overwritten The measured values accumulated up to any given point can already be evaluated while the monitoring is still running A time slice can be marked with the left mouse button A tool tip is also displayed with additional information about this time slice The time is displayed above the recorded tracks and a summation track permitting orientation within the overall measurement is displayed beneath the tracks In this way it is also possible to quickly localize error events not displayed on the screen To the left of the tracks the critical threshold set for evaluation at the start time is displayed The current physical value of the track is displayed continuously on the right hand side This display can be switched from showing the current measurement value to showing the worst best value since the measurement was started via right click The currently selected data record can be exported to an XML file for archiving and can then be read in us ing the CAN Bus Tester 2 software Thus it is possible to display and print the data records of the measured data and to use them in other programs Document 22550 HB 1 3 E CANobserver 23 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 6 Help 6 6 1 Contact This menu informs about the contact information of the manufacturer 6 6 2 Manual The German and English device
10. 01 00 07 Status Serial number 22550 00 00007 Date and time Supported CAN types CAN CANopen DeviceNet SAE J1939 Firmware version V01 16 01 M rz 2010 Network FPGA version v01 41 HTTP SMTP Device status Language English SNMP Operating hours device turned on 53 h 28 min Reset Operating hours monitoring 1 h 26 min osten E mail status SMTP E mail successfully sent 02 03 2010 12 42 08 Test e mail Help 2010 Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Fertig Figure 7 Device Status 6 4 4 Status The Status area displays all device specific data This includes the unique serial number and MAC ad dress as well as the supported CAN types and the version numbers The operating hours are counted sep arately for the device states Monitoring and Device turned on The E mail status informs about suc cessfully delivered undelivered mails The device is ideally prepared for future extensions thanks to the possibility of firmware updates You can only use updates released for your device Attention A firmware update will delete all your measuring data 6 4 2 Date Time This screen can be used to set the time and date Please note that UTC Universal Time Coordinated is to be used This is the only way to be able to compare different measurements from different locations in the world with each other The exporting of the measurement data for use in other programs CAN Bus Tester 2 s
11. 4 GAM SAUS nee ee ee A ii 14 0 4 2 Date Tie AAE 14 Document 22550 HB 1 3 E CANobserver Il GEMAC Sensorik Messtechnik ASIC Design Table of Contents 6 4 3 GAO EKren are E iada EA nenne 15 6 44 TMP EET m 15 O O NAO 15 ebei SA 15 A EO 15 EAN Reset eela Ugel 15 6 4 7 2 Delete data rSGOrde rss 15 ema dcum 15 6 5 Online monitoring ers 16 6 5 1 Configuration Dus ERTEN aaa 16 6 5 1 1 Segment TST 16 6 5 12 CAN Aul 16 6 5 1 3 Baud fate inci sad eta 16 6 5 1 4 Baud rate Cicas idad 17 6 5 1 5 Create OVErvView A 17 6 5 2 Configuration notification emen nnne nennen NE REE ERR 18 6 9 2 1 Device NOUGAT aA 18 0 5 2 2 Status notification ie Li o a oia 18 6 5 2 3 Error Notifica e B 18 6 5 3 Configuration error GURU rra 20 DOA Configuration ulea 21 6 5 4 1 Configuring the threshold GOIZ rrura 21 6 5 4 2 Configuring Resolution and mUDUTTS rru 22 6 5 5 Display MOnIONNG rra 23 Bonn ES 24 REC m 24 6 0 2 ARIE 24 ARANA E Enver anke 24 6 Default device parameters eae teret aaa enn ued en ie 25 Belen alea ba iel ea a EAE 26 8 SCOpe OF SUPP gag t C alen atakak arak ERE sled dre 27 9 Maintenance and Customer GOIE rrura 28
12. 6 3 Status display The status display can be found on the right side of the web interface and is always visible It informs the user permanently on the bus status and displays a currently running monitoring Figure 6 is a screen shot of the status display and its elements Document 22550 HB 1 3 E CANobserver 11 6 Working with the Web Interface Bus traffic load Bus status Displays the curren Provides a quick bus traffic load overview of the cyclically current bus status E 12 Q 24 0 V Device status N Supply voltage Displays the Displays the optional device mode CAN supply voltage Figure 6 Status display 6 3 1 Device status Q CANobserver not connected to the power supply and or to the network Connection to CANobserver present i monitoring measurement not running d i Connection to CANobserver present monitoring measurement currently running 6 3 2 Bus status GEMAC Sensorik Messtechnik ASIC Design The bus status display comprises a multicolor LED graphic The LED changes its color depending on the bus status If the mouse pointer dwells on the LED a tool tip with a description text is displayed For a de tailed description of the bus status measurement refer to Section 3 3 1 Bus status The following states can occur LED gray CANobserver not connected to the power supply and or network or differential voltage in the impermissible range 0 5 V 0 9 V second
13. A GEMAC Sensorik Messtechnik ASIC Design User manual CANobserver Version 1 3 Date 2013 11 15 GEMAC Gesellschaft f r 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 Revision Overview GEMAC Revision Overview ERRETZE 2007 06 12 0 First version 2010 04 01 1 Changes to new CI new Functions e mail notification etc 2011 02 21 2 Changing behavior of reset button technical data 2013 11 15 3 Replacement of Java Applets with HTML5 Copyright 2013 GEMAC Gesellschaft f r 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 mbH All rights according to copyright law expressly reserved to GEMAC mbH Note To use the CANobserver and for proper understanding of this manual general knowledge of the field bus systems CAN CANopen DeviceNet and or SAE J1939 are required Document 22550 HB 1 3 E CANobserver l GEMAC Sensorik Messtechnik ASIC Desi
14. C Design 12 Notes 12 Notes Document 22550 HB 1 3 E CANobserver 32 GEMAC Sensorik Messtechnik ASIC Design 12 Notes Document 22550 HB 1 3 E CANobserver 33
15. GEMAC Sensorik Messtechnik ASIC Design 3 Functions and Measuring Principle 3 3 Bus condition The bus condition consists of three parts Bus status Bus traffic load and optional CAN supply voltage In dependently of the running monitoring the bus condition is measured continuously and displayed in the web view 3 3 4 Bus status The bus status provides a quick overview of the status of your CAN bus system A cyclic measurement over one second indicates whether or not data traffic level change is present and whether or not the CANobserver is 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 outside a permissible range this will be indicated Con clusions regarding errors in the bus cabling can be drawn from the value of this difference voltage A precise description of the individual states is to be found in Section 6 3 2 Bus status 3 3 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 minimum and maximum values For this measurement to function correctly it is sufficient to set the baud rate of the CAN bus segment and to connect the CANobserver to the syst
16. bserver for the bus systems CAN CANopen DeviceNet and SAE J1939 E CANobserver basic unit Hi Connectors Connector for the power supply Connector for the error output E Quick start guide Hi Packaging Document 22550 HB 1 3 E CANobserver 27 GEMAC 9 Maintenance and Customer Service 7 Sensorik Messtechnik ASIC Design 9 Maintenance and Customer Service 9 1 Maintenance The CANobserver is maintenance free Calibration is not necessary Any repairs must be entrusted exclus ively to the manufacturer 9 2 Customer service 9 2 1 Return If you send the CANobserver for repair use only the original or equivalent packaging Furthermore you should request an RMA number from the manufacturer Please give a brief description of the problem and your telephone number in case we have any questions Please note that devices sent in for repair are reset to their default factory settings Therefore save your measuring data and make a note of the configuration of your device 9 2 2 Support If you have any technical questions please specify the serial number of your device its firmware and hard ware configuration version Please direct questions to your supplier or else contact the hotline of the CANobserver Manufacturer GEMAC Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Zwickauer Str 227 09116 Chemnitz Tel 49 371 3377 0 Fax 49 371 3377 272 Web http www gemac chemnitz de E Mail info gemac chemnit
17. d past status of the system can be visualized centrally through the control center software either via a web interface or automatically via SNMP polling With both variants the system operator can make in CANobserver ww control system ethernet network alarm message Figure 1 Using CANobserver Document 22550 HB 1 3 E CANobserver 1 1 Introduction 7 Sensorik Messtechnik ASIC Design dividual use of the resulting data records The information output via web interface offers a graphically pre pared representation for the user and provides ideal configuration and start up possibilities Further use of these data by a control center however calls for measuring data to be provided in numeric form Therefore in addition to the web interface CANobserver provides an SNMP interface The Simple Network Manage ment Protocol is an IETF standardized protocol to transfer diagnosis information In addition all OPC cap able applications in automation technology benefit from the measuring functions of CANobserver thanks to the SNMP OPC gateway The common general feature of all variants is that they provide remote mainten ance and configuration In this way it is neither necessary to connect a computer locally nor must the sys tem operator be present on the site As already mentioned CANobserver is designed as a locally installed supplement to CAN Bus Tester 2 CBT2 We recommend use of the CBT2 to perform initial measuremen
18. difference voltage less than 0 5 V bus idle second difference voltage greater than 0 9 V LED green Level change detected on the bus Document 22550 HB 1 3 E CANobserver LED yellow Bus static no level change detected on the bus within the measuring time of one LED red Bus static no level change detected on the bus within the measuring time of one 12 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 3 3 Bus traffic load The bus traffic load is determined continuously and independently of other measurements As already de scribed in detail in Section 3 3 2 Bus traffic load the bus traffic load is measured and updated constantly at intervals of one second 6 3 4 CAN supply voltage The supply voltage which is present optionally in the case of CAN CANopen SAE J1939 or always in the case of DeviceNet is measured and displayed cyclically Document 22550 HB 1 3 E CANobserver 13 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 4 Device B CANobserver Mozilla Firefox Le ILS bel Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe e SO GC 4 E http 192 168 0 254 start cgi Ge Google 2 E CANobserver GEMAC mez Sensorik Messtechnik ASIC Design Device bus status GANobserver TEES IN i 24 1V Q EN Ep u Online monitoring Device information Device Name CANobserver MAC address 00 1F 53
19. e on the determination of the disturbance free voltage range 3 2 2 Edge steepness To fully evaluate the transmission properties of the bus cabling and of the individual CAN bus stations com pletely the edges must also be studied in addition to the disturbance free voltage range shallow edges can also prevent the correct decoding of the transmission signal 1 During the arbitration phase start bit ID RTR as well as during the acknowledge phase there is no evaluation of the physical properties of the message frame as several bus stations could be driving the signal during these phases Document 22550 HB 1 3 E CANobserver 7 GEMAC Sensorik Messtechnik ASIC Design 3 Functions and Measuring Principle The CANobserver determines the edge steepness separately for rising and falling edges To this end two thresholds are set at 10 and 90 of the signal level determined determined differential voltage at 42 64 2 3 6696 see Figure 4 The time required by the difference signal to change between these voltage threshold values is measured 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 al ways 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 3 2 3 General quality level Th
20. e quality level 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 10096 The worst flank is defined as 32 64 and equates to 096 Edge steepness 100 gt x 0 32 Hi 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 UU 1 0V Disturbance free voltage range GE gt Uy 5 71 0V 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 a U ss Reflection 2 100 gt Ug U 70 0V 3 0V disturb All three components contribute equally to the calculation of the quality level Edge steepness Dist free voltage range Reflecions H 0 Quality level e e 3 Document 22550 HB 1 3 E CANobserver 8
21. em The device then determines the bus traffic load cyclically over durations of one second each 3 3 3 Optional CAN supply voltage The supply voltage which is present optionally in the case of CAN CANopen SAE J1939 or always in the case of DeviceNet is measured and displayed cyclically Document 22550 HB 1 3 E CANobserver 9 GEMAC Sensorik Messtechnik ASIC Design 4 General TCP IP Communication 4 General TCP IP Communication CANobserver possesses a 10 100 Base T Ethernet connection with a TCP IP protocol stack and provides access to a web site for operation This renders CANobserver independent of the operating system in stalled The system requirements for access to the web interface is a browser with JavaScript enabled an following minimum versions M Firefox 6 Chrome 8 Opera 12 1 Safari 6 Internet Explorer 10 5 Connection to the Network Before integrating CANobserver into a network clarify your intended approach with the network adminis trator CANobserver is delivered factory made with the following static network configuration NetBIOS Name CANobserver m P address 192 168 0 254 Subnet Mask 255 255 255 0 To change these and other settings you will need access to the web interface of the device To this end proceed as follows Hi Connect the device directly to the PC using an appropriate network cable both crossover and patch cable possible E Change the network settings of the PC suc
22. ent saved by way of LEDs Freely programmable Recorded data records in the XML format for use in CAN Bus Tester 2 software Can be updated Electrical parameters Power supply Current consumption Measuring of the differential voltage Measuring of the CAN supply voltage Error output Mechanical parameters 9 36 V SELV safety extra low voltage internal grounding conductor 0 75 mm 0 55 0 15A Typ 0 75 V 3 00 V 0 36V Isolated max 30 V DC CAN connection Network connection Housing Degree of protection of the housing Temperature range Humidity Dimensions Weight CE conformity 9 pol D SUB connector 10 100 MBit Ethernet IEE 802 3u RJ 45 8P8C LAN connection Aluminum plate housing for top hat rail 35 mm IP20 to EN 60529 Operation 5 C 40 C Storage 20 C 60 C Operation 20 80 non condensing Storage 20 80 non condensing 50 mm x 125 mm x 124 mm Approx 550 g Equipment safety EMC EN 60950 1 2003 03 Low frequency interference emission High frequency interference emission Interference immunity EN 61000 3 2 2000 A1 2001 A2 2004 EN 55022 1998 A1 2000 A2 2003 EN 61000 6 2 2001 Table 5 Technical specifications Document 22550 HB 1 3 E CANobserver 26 GEMAC Sensorik Messtechnik ASIC Design 8 Scope of Supply 8 Scope of Supply The following components are included in the scope of supply of the CANo
23. gn Table of Contents Table of Contents Niezen tela ae PILAE 1 O aA 3 2 1 Receiving inspection and Mea EAEE 3 2 2 ACCIIMALZING the device Ec 3 2 3 Prevention of accidents ra 3 2 4 Connecting the GSIGO rrura 3 LE MNT cas 3 24 2 PONET supply denen A a eux eos ae slate 4 2 4 3 Connection to the CAN DOS raa 4 2 4 4 Connection to the network rss 4 24 5 STARTS TOP elu ela dol exea pce certe aeu ig Deu 4 24 6 BUS STATUS LED daragoio 4 2 4 7 Error LEDS En EUER 4 2 4 8 Isolated error output rrura 5 2 4 9 Resetting the AL eNA 5 3 Functions and Measuring Principle aaa aaa 6 3 1 The most important measuring DUDGIOTS rrura 6 3 2 Measuring the physical bus characteristics enne eene 6 3 2 1 Disturbance free voltage TSIOEN aa 7 3 2 2 e alla reddere 7 3 2 3 General quality level DEER EIGENE 8 3 3 BUS COMGINOM TET 9 33 1 Ua AEA 9 33 2 BUS AMG Oddset hehe 9 3 3 3 Optional CAN SGOPDRKOIESGGS rra 9 4 General TCP IP GOrOTmUnIGOTOO rrura 10 5 Connection to the Gael 10 6 Working with the Web Interface nee nennen er 11 6 1 Language iret er ade 11 6 2 Menu str ctUre E ana 11 6 3 Stats dis E e LL 11 6 3 1 DEVICE status TRE 12 6 3 2 SU EAS 12 6 3 3 BUS traffic load 22 T 13 ERRONEA 13 0 4 DEVICE etzi gietatik es is if il it sii 1
24. h that the PC and the CANobserver are in the same subnet e g PC IP address 192 168 0 10 PC subnet mask 255 255 255 0 Subsequently open your web browser and type the following URL in the address line http 192 168 0 254 or http CANobserver The CANobserver start page is then displayed Make sure that JavaScript is activated in your web browser E Now you can change the network settings of your device as described under 6 4 3 Network Attention The changed network settings only become effective after restarting the device Modify also the network settings of your PC correspondingly to be able to obtain access to the device again after the restart Note If you do not know the current network settings of the CANobserver you can reset the device to the factory settings as described in Section 2 4 9 Resetting the device Thereafter you should be granted access to the device with the above Default device parameters Document 22550 HB 1 3 E CANobserver 10 GEMAC 6 Working with the Web Interface Sensorik Messtechnik ASIC Design 6 Working with the Web Interface As can be seen in Figure 5 the web interface is divided into various areas CANobserver Mozila Firefox SJ o x Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe Langu ag e me e PN E http 192168 0 254 start cgi HG Googie 2 E selection 3 Gerate Busstatus I Status displ CANobserver Ed
25. hreshold is violated The displays of the current physical values can be used to define the threshold val ues when the system is functioning correctly It is also recommended to perform an initial measurement for the corresponding system using the CAN Bus Tester 2 It uses the same measuring principle and will help in starting up the system and troubleshooting The following setting ranges are possible E Critical quality level 30 90 critical measured value if not reached Document 22550 HB 1 3 E CANobserver 21 GEMAC 6 Working with the Web Interface Sensorik Messtechnik ASIC Design E Critical disturbance free voltage range 1 0 3 0 V critical measured value if not reached E Critical rising edge recessive dominant 1 64 48 64 critical measured value if exceeded E Critical falling edge dominant recessive 1 64 48 64 critical measured value if exceeded Each track can be activated separately Tracks not activated are not displayed but will still be recorded De activated tracks can be displayed again at any time by clicking with the right mouse button on the track dis play 6 5 4 2 Configuring Resolution and runtime The time based resolution for the data recording is set with the Configuring Resolution and runtime list box The shorter the selected time the greater the amount of measurement data to be assessed Any logic al errors within this time and all values exceeding or falling below the approp
26. lid recognition of this acknowledgment how ever only specifies that at least one node at the bus has recognized the message frame as valid If the message is not acknowledged the CAN controller will immediately put it to the bus again In addition to the logical events and errors CANobserver can determine and monitor the following physical properties of the CAN bus Hi General quality level 0 100 96 E Disturbance free voltage range minimum interference free differential voltage Edge steepness worst rising and falling edges of the message frame In addition to the logical and physical measurements CANobserver continuously checks the bus load the bus status and the optional CAN supply voltages The individual measuring functions are described in detail in the following subsections 3 2 Measuring the physical bus characteristics 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 can endanger the correct detection of the bit stream CANobserver provides an evaluation of the difference signal in the form of a general quality value the dis Document 22550 HB 1 3 E CANobserver 6 GEMAC Sensorik Messtechnik ASIC Design 3 Functions and Measuring Principle turbance free voltage range and the edge steepness A
27. ll these measurements are determined within a mes sage frame Alongside the quality level which provides a general evaluation of the signal quality for the bus the determ ination of the disturbance free voltage range and of the edges is a useful aid for targeted troubleshooting 3 2 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 bit of the message frames of the station to be measured This part is called evaluation period Disturbance free voltage range Peakt to peak voltage Signal level Differential voltage V Time rd 44 64 bit width Evaluation period 68 Figure 4 Definition of disturbance free voltage range peak to peak voltage and signal level 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 bit width are ex cluded from the determination of the disturbance free voltage range see Figure 4 Signal overshoot and settling processes are excluded from the interference voltage measurement if they lie outside the evalu ation period A voltage 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 influenc
28. manuals can be downloaded via this menu item as PDF files 6 6 3 Quick start guide The quick start guide German English describing how to install the device can be downloaded via this menu item as a PDF file Document 22550 HB 1 3 E CANobserver 24 6 Working with the Web Interface 6 7 Default device parameters GEMAC Sensorik Messtechnik ASIC Design Device settings NTP time server NetBIOS name Date time Network IP assignment IP address Subnet mask Gateway Primary DNS Secondary DNS HTTP Web interface authentication User name Password SMTP Server host name Authenticate with user name and password User name Password Address sender Address recipient Subject SNMP SNMP Read Community SNMP Write Community Name sysName Location sysLocation Contact sysContact HTTP Web interface authentication User name Password Online monitoring Bus system Segment name CAN type Baud rate Notification Device notification Status notification Error notification Error output all errors Monitoring Critical quality level Critical disturbance free voltage range Critical rising edge Critical falling edge Resolution runtime Table 4 Default device parameters Document 22550 HB 1 3 E CANobserver CANobserver Use the following IP address 192 168 0 254 255 255 255 0 public private CANobserver CAN 500 kBit s OFF OFF OFF current error mapped to error output 60 96 1 60 V 14 64 28
29. matically be forwarded to the devices start page Document 22550 HB 1 3 E CANobserver 15 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 5 Online monitoring 6 5 1 Configuration bus system B CANobserver amp Mozilla Firefox Fee Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe Dec 4 E http 192 168 0 254 start cgi Ge Googie 2 E CANobserver amp GEMAC Sensorik Messtechnik ASIC Design Device bus status e CAlNobserver 58 i 24 1V Q Online monitoring Segment configuration Display monitoring Segment name Configuration bus system CAN type CAN v Baud rate 500 kBit s v Configuration notification E EGIA EEA Apply Changes will be applied on stopped online monitoring only Configuration monitoring Device Baud rate scan Help Start baud rate scan Determined baud rate 500 kBit s Station overview Generate overview FEFFE 2010 Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Fertig Figure 8 Configuration bus system 6 5 1 1 Segment name If your CAN bus system comprises several segments bus segments separated by a repeater you can op tionally specify a name for the segment max 30 characters in the Segment name field for differentiation The name will then be displayed for differentiation in the Status display of the web interface if several CANobserver are installed 6 5 1 2 CAN type
30. n authentication a user name and password can be activated Currently the CANobserver exclusively supports the SMTP authentication pro cesses PLAIN and LOGIN To check the configuration a test e mail can be sent 6 4 6 SNMP The read and write community strings can be modified for access control The name location and contact correspond to the MIB variables sysName sysLocation and sysContact in SNMPv2 MIB and serve to differ entiate several CANobserver devices installed in the network The MIB files are archived as MIB Files zip and available here for downloading 6 4 7 Reset 6 4 7 1 Reset configuration The device configuration can be reset to the factory settings This pertains to all settings both of the online monitoring and of the device itself Since the network settings are also reset during this process the device can then only be accessed with the Default device parameters as described in Section 6 7 The new config uration only becomes effective after the next restart of the device see also Section 6 4 8 Restart 6 4 7 2 Delete data records If you select this option all data records saved in the device are deleted This pertains to all 20 data records from the online monitoring Important data records should be exported beforehand The deletion of data re cords is only possible if the online monitoring is stopped 6 4 8 Restart This menu item can be used to restart the device After restart you will auto
31. nd signal level 7 Figure 5 Overview Web interface iui sun nahen 11 Figure 6 Status displasia 12 Figure 7 Device Stalls n a ecce RA 14 Figure 8 Configuration DUS system iiec dei Decide e ende 16 Figure 9 Configuration notification rra 18 Figure 10 Configuration error Output rra 20 Figure 11 Configuration TTODIOIIEO rrua 21 Document 22550 HB 1 3 E CANobserver VI 1 Introduction 7 Sensorik Messtechnik ASIC Design 1 Introduction Thank you for purchasing CANobserver You have acquired a valuable tool which will support you in the monitoring and servi cing maintenance of your CAN bus system If a system is at standstill it is already too late in most cases To be able to initiate countermeasures in good time it is recommen ded to perform maintenance both for the system components and for the bus system as a whole at regular intervals The operating parameters of the bus system deteriorate over the time due to wear CANobserver from GEMAC diagnoses such changes dur ing operation and reports them to the system operator This necessity has also been recognized by the VDI VDE In 2007 the new guideline 2184 was issued outlining how system operat ors can guarantee reliable operation and maintenance of their field bus systems CANobserver is a diagnostic tool for physical and logical long term monitoring of CAN bus systems and is designed as a locally installed supplement to the CAN B
32. nik ASIC Design Device bus status G AlNlobserver 9 241V Online monitoring Configuration treshold values Display monitoring Configuration bus system QL Crit quality level 60 3 y Configuration notification DVR Crit disturbance free voltage range 1 69 V v Configuration error output RE Crit edge rising 14 64 v Configuration monitoring FE Crit edge falling 28 64 v Device Configuration resolution and runtime Help Resolution max runtime per data record 1 min 6 months v Y Resume monitoring after power on new measurement is startet V Enable start stop button on the device Apply Changes will be applied on the next start of online monitoring 2010 Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH Fertig Figure 11 Configuration monitoring 6 5 4 1 Configuring the threshold values The following bus parameters are recorded continuously E Logical events errors Active Error Frames Passive Error Frames Overload Frames Acknowledge Error EB Physical errors Failure to reach the critical quality level Failure to reach the critical disturbance free voltage range amp Exceeding of the critical edge rising Exceeding of the critical edge falling The logical events errors are recorded in the track in which they occur To be able to record the physical er rors a threshold value must be configured for each track permitting marking of the corresponding track if the t
33. oftware is thus also possible In addition to setting the time manually the time setting can also be received automatically from a time serv er The IP address and the host name of the time server can be entered in the NTP time server field If the time server is not integrated into the local network e g pool ntp org a gateway must be specified under Network If the host name of the time server is used instead of the IP address in addition the DNS server must be specified under Network Document 22550 HB 1 3 E CANobserver 14 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 4 3 Network It is possible to assign a unique NetBIOS name to address the device by its name For connection to the network you can have the IP data assigned automatically by a DHCP server in the network or choose manual setting In the case of manual setting you will need to specify at least the IP address and the subnet mask Gateway and DNS server are only required if the time and date are set automatically via NTP time server see also Section 6 4 2 Date Time 6 4 4 HTTP To restrict access to the web interface to selected persons only it is optionally possible to activate authentic ation with user name and password 6 4 5 SMTP To enable the automatic sending of e mail notifications also see section 6 5 2 Configuration notification the outgoing mail server needs to be configured If the server requires a
34. oned in section 9 2 of this manual ATTENTION Wrong handling of lithium batteries can lead to explosion These batteries must not be re charged disassembled or burned Disregard can cause injury to persons and damage to the device 2 4 Connecting the device 2 4 4 Design BUS STATUS LED Reset device S 9 factory settings SY CANobserver START STOP button asus gar Error LEDs PEF ME current and e START STOP eet saved errors E 9 oo FT eer Error output LED Ga r RJ 45 network connection e e FE no ONLED di Displays the uw supply voltage SUB D 9 CAN Bus connection Error output isolated Power supply 24 VDC Figure 2 Connections and controls elements of CANobserver Figure 2 shows all connections and control elements of CANobserver Document 22550 HB 1 3 E CANobserver 3 GEMAC Sensorik Messtechnik ASIC Design 2 Start up 2 4 2 Power supply CANobserver requires a 24 V DC power supply to be connected to the device using the supplied connect ors observe the polarity The pin with the designation PE can be used as the protective earth The green ON LED is lit when the operating voltage is present 2 4 3 Connection to the CAN bus Connect the system to be tested to the CAN D SUB 9 connector on CANobserver An appropriate D SUB 9 conduit thread connector is available as a self assembled accessory see Section 10 Ordering Informa tion fo
35. r connection to CAN based field bus systems which possess other connectors M12 7 8 open style The pin assignment of the CAN D SUB 9 connector of CANobserver is as follows Fein sr eur EO q e E 2 CANL CAN L bus line dominant low 3 CAN GND Shield 4 be 2 5 CAN SHLD Shield 6 DEI GND Ground for CAN supply voltage V 0 V 7 CAN H CAN H bus line dominant high a de 2 9 GAN Md Positive CAN supply voltage V 24 V Metal protective collar Shield Table 1 CAN bus connector pin assignment Figure 3 CAN bus connector 2 4 4 Connection to the network CANobserver is connected to a PC notebook or control center via an Ethernet interface It is possible to use crossover or patch cables 2 4 5 START STOP button The START STOP button is used to start or stop the monitoring of the connected CAN bus When the mon itoring is running the button is lit green 2 4 6 BUS STATUS LED During operation the BUS STATUS LED indicates whether or not there is data traffic on the CAN bus The colors correspond to those of the bus status LED in the web interface see Section 6 3 2 Bus status 2 4 7 Error LEDs Two error LEDs are provided on the front of the device to indicate events and errors recorded by CANobserver The left LED shows the current status and the LED on the right the stored status of the event or error Document 22550 HB 1 3 E CANobserver 4 GEMAC Sensorik Messtechnik ASIC Design 2 Start
36. riate threshold minimum or maximum value within the set time time slice are recorded for the corresponding track Several events e g two faulty message frames within one time slice can no longer be distinguished In this case the resolu tion must be increased It is not meaningful to set the resolution to a time less than the time required for a message frame at the set baud rate Each time slice is represented in the display with the width of one pixel The max recording time per data record is limited depending on the selected resolution max Recording Time per Data Record 100 ms 6 hours 1s 3 days 10s 1 month 30s 3 months 1 min 6 months Table 3 Recording time depending on the resolution It is a standard setting that a running observation is automatically continued after the restart of the device A new measurement will be started every time This behavior can be deactivated Once this has been done the observation will not be continued after the restart of the CANobserver Document 22550 HB 1 3 E CANobserver 22 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 5 5 Display monitoring B CANobserver amp Mozilla Firefox Fee Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe Bo 4 E http 192 168 0 254 start cgi 8 Google 2 E CANobserver amp GEMAC ee Sensorik Messtechnik ASIC Design Device bus status e 88 CAlNobserver Q
37. rved bus system However changes in the error that occurred cannot be notified if the inhibition time is still running The tester will report these immediately after the inhibition time has passed The errors that need to be reported can be preselected Document 22550 HB 1 3 E CANobserver 19 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 5 3 Configuration error output To signal errors detected by CANobserver each error LED can be connected to the isolated error output In this way it is possible to realize a checkback signal into the CAN system to be monitored via a free input It is possible to connect either the current or the saved error LED to the error output All errors are linked with an OR function CA CAN obseryer BUS STATUS lt m START STOP MO A lt a m m o 07 o SEE 27 max 30 VDC br 24 VDC q e S m Isi j s Figure 10 Configuration error output Document 22550 HB 1 3 E CANobserver 20 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface 6 5 4 Configuration monitoring B CANobserver amp Mozilla Firefox IEEE Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe EO Gc GY EF http 192 168 0 254 start cgi Googie 2 E CANobserver amp GEMAC me Sensorik Messtech
38. sent whenever the device is started This can be used to recognize a power off device failure 6 5 2 2 Status notification When activated an e mail will be sent upon each start and stop of an monitoring After completion of the re cording period mentioned in Table 3 a new data record will be created and therefore an e mail with the in formation Stop monitoring will be sent After that an e mail informing of Start monitoring will be sent 6 5 2 3 Error notification Two operating modes are available to send error notifications When cyclical error notification is chosen a message informing about errors that occurred in the last time interval will be sent at a configurable interval cyclic time In this operating mode no information about any errors that occurred will be lost however messages will be sent at regular intervals even if no errors occur respectively if an error occurs the relevant notification will be given after the time interval is completed Document 22550 HB 1 3 E CANobserver 18 GEMAC Sensorik Messtechnik ASIC Design 6 Working with the Web Interface When event driven error notification is chosen a message will be sent immediately when an error occurs To avoid an overload of notifications a configurable inhibition time is set During this inhibition time a change of the event will not be reported After the inhibition time has expired a notification will be sent once the error status changes in the obse
39. ts on the system to be monitored The CBT2 operates according to the same measuring principle as CANobserver and supports the system operator in starting up the system The monitoring of the signal quality determined on the basis of these measurements can then be ensured with CANobserver If CANobserver detects any errors in the system CBT2 will help you in further troubleshooting with additional node specific diagnostic functions Document 22550 HB 1 3 E CANobserver 2 GEMAC Sensorik Messtechnik ASIC Design 2 Start up 2 Start up 2 1 Receiving inspection and testing Carefully unpack and check the device immediately after receipt If transport damage is suspected inform the delivery agent within 72 hours and keep the packaging for inspection The device must only be transpor ted in its original or equivalent packaging Check the completeness of the delivery against Chapter 8 Scope of Supply 2 2 Acclimatizing the device Before turning on the device make sure that it has acclimatized to room temperature This should take max 60 minutes 2 3 Prevention of accidents When operating this test device it is imperative to observe the general accident prevention regulations for the use of measuring instruments The device must only be used in dry rooms This device contains a lithi um battery This battery should never be removed or changed by the user If an exchange becomes neces sary please contact the support address menti
40. up Logical Events Errors AEF Active Error Frame PEF Passive Error Frame OVF OVerload Frame ACK ACKnowledge Error QL Quality Level the signal level has fallen below the critical quality level DVR Disturbance free Voltage Range the disturbance free voltage has fallen below the permissible range RE Rising Edge the critical edge rising was exceeded FE Falling Edge the critical edge falling was exceeded Table 2 Designation of the error LEDs on the device When the monitoring is started all error LEDs are off The LEDs on the left hand side which display the currently present errors are lit as long as the corresponding error is present and the monitoring is active The LEDs on the right which display the stored errors remain lit permanently from the time when the first error occurs until a new monitoring is started 2 4 8 Isolated error output To be able to report any errors detected by CANobserver back to the system or on to any other device each error LED can be associated with an isolated error output 2 4 9 Resetting the device To restore the factory settings hold down the red button on the rear of the device for ten seconds After the following restart the device will start up with the Default device parameters specified in Section 6 7 a Document 22550 HB 1 3 E CANobserver GEMAC Sensorik Messtechnik ASIC Design 3 Functions and Measuring Principle 3 Functions and Measuring Principle 3 1
41. us Tester 2 It is integrated permanently into the net work monitors the data transfer continuously and records the deviation from a predefined threshold auto matically for a period of up to ten years Thanks to CANobserver sporadic bus interference such as ex ternal EMC interference or a slowly deteriorating signal quality attributable to worn plug connections can be detected in good time Such interference is reported to the system operator who can than draw the corres ponding conclusions for preventive maintenance intervals in the future This is the only way to ensure a status oriented maintenance To this end the signal conditions of each CAN bus node are subjected to a physical and logical evaluation and any deviations from a predefined threshold value are recorded The weaker the signal quality of a mes sage frame the higher its error potential If errors can be rectified the signal quality will be better the bus will work reliably the system will be less susceptible to EMC interference and system standstill can be avoided In this context the physical layer diagnosis offers decisive advantages It reveals error sources in the physical set up of CAN CANopen DeviceNet and SAE J1939 systems at an early stage Thus CANobserver is already able to inform the system operator before any communication error occurs Other monitoring tools do not react until the error occurs as they only monitor the logical data transfer The present an
42. wing chapter will help you if you have problems with your CANobserver This chapter lists typical errors and problem situations indicates possible causes and offers possible solutions If you encounter a problem with your CANobserver and or the web interface which is not listed here or can not be solved by the solutions specified here please contact the manufacturer see Section 9 2 2 Sup port 11 1 Problems with the connection to CANobserver No connection to CANobserver Questions Is the power supply present for CANobserver ON LED lit Is the yellow link LED on the Ethernet socket lit Do the CANobserver network settings match those of the network How to solve this problem Connect and turn on the power supply see Section 2 4 2 Power supply Connect the network cable crossover or patch to the device and then to the network 10 100 MBit s full half duplex Adapt the network settings accordingly see Section 6 4 3 Network 11 2 Problems with the web interface The web interface is not displayed cor Questions rectly Are the forms displayed correctly How to solve this problem Activate Javascript Update your browser to the newest version Document 22550 HB 1 3 E CANobserver 30 GEMAC 11 Problem Solutions Sensorik Messtechnik ASIC Design 11 3 Problems when measuring Baud rate scan Button is disabled hidden No baud rate detected Node list Create overview
43. z de 9 2 3 Warranty and limitation of liability We will assume a warranty of 24 months for the CANobserver commencing from the date of delivery Any repairs 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 will only be liable for consequential damage resulting from use of the product in case of deliberate action or gross negligence on its own part The General Terms and Conditions of GEMAC Gesellschaft f r Mikroelektronikanwendung Chemnitz mbH will apply Document 22550 HB 1 3 E CANobserver 28 10 Ordering Information GEMAC Sensorik Messtechnik ASIC Design 10 Ordering Information Basic unit CANobserver Optional accessories D SUB 9 conduit thread connector Spare parts Connector for the power supply Screw clamping connector for the error output Table 6 Ordering information Document 22550 HB 1 3 E CANobserver CANobserver PR 22550 00 bus systems CAN CANopen DeviceNet SAE J1939 Erni ERBIC CAN node with conduit thread connector BU 03050 00 Phoenix Contact MSTB 2 5 3 STF X 03828 00 Phoenix Contact MSTB 2 5 2 ST X 03829 00 29 GEMAC Sensorik Messtechnik ASIC Design 11 Problem Solutions 11 Problem Solutions The follo
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