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Error messages and indications

Signal levels per

▼

▲

N 32: 2.3Vd[OK]
: -.-Va[PER?]

N 48: 2.3Vd[OK]
: -.-Va[PER?]
N 127: 2.5Vd[OK]

: 3.9Va[OK]

Please note: One-off identifiers can only be measured with the help of the trigger
output and an oscilloscope (see section 5.12).

6.7 Indication of an identifier without required bits

Signal levels per

▼

S : Standard ID
E : Extended ID

Vd: CAN_H -> CAN_L
Va: CAN_H -> CAN_GND
17 Identifiers found

16 Identifiers OK

Signal levels per

▼

▲

16 Identifiers OK

1 Identifiers BIT?
0 Identifiers ERROR

S 386 : 2.0Vd[OK]
: 3.5Va[OK]

S 388 : 1.9Vd[OK]

Signal levels per

▲

S 1840 : 2.3Vd[OK]

: 3.7Va[OK]
S 1911 : -.-Vd[BIT?]

: -.-Va[BIT?]
S 1919 : 2.5Vd[OK]
: 3.9Va[OK]

For signal level measurement, the identifier must be followed by the data length

code 1 or greater because in general one bit of the first data byte is required. In
addition, the bit stream after the identifier must include two dominant bits in a

sequence. If these conditions are not met the following line will give you an indi-
cation of the missing required bits:
<number> Identifiers BIT?

Copyright IXXAT Automation GmbH

CANcheck Manual, Version 1.2

Содержание CANcheck

Страница 1: ...The expert for industrial and automotive communication Manual CANcheck Installation tester for CAN CANopen networks...

Страница 2: ...s with this product or other IXXAT products please contact IXXAT in written form by Fax 49 0 7 51 5 61 46 29 e Mail support ixxat de Copyright Duplication copying printing microfilm or other forms and...

Страница 3: ...tests 12 4 1 Line parameters 12 4 2 Operating parameters 18 4 2 1 Operating mode layer 2 18 4 2 2 Operating mode CANopen 23 5 Individual tests 24 5 1 Wiring test 25 5 2 Termination resistors 28 5 3 L...

Страница 4: ...6 Indication of a non periodic identifier 55 6 7 Indication of an identifier without required bits 57 7 Stored results 59 8 Remote control 63 9 USB driver 67 9 1 Installation of the USB driver 67 9 2...

Страница 5: ...ers it is checked whether the CAN network was correctly in stalled Short circuits interruptions and incorrect cable properties are quickly de tected Via operating parameters it is checked whether the...

Страница 6: ...f the bus load of the tested CAN network and of the propor tion of error telegrams Operating mode layer 2 determination of all transmitted 11 bit and 29 bit identifiers and display of the frequency of...

Страница 7: ...on or problem in de tail If you would prefer to contact our support department by phone please also send a support request via our website first so that our support department has the relevant informa...

Страница 8: ...esistance of 1 k Pin Signal Description 1 Reserved 2 CAN_L CAN bus signal dominant low 3 CAN_GND CAN ground 4 TRIGGER_SHLD Return wire of the trigger output 5 CAN_SHLD Optional shield 6 GND Optional C...

Страница 9: ...et tings Battery voltage You should recharge the rechargeable batteries when the voltage drops below 4 8 V 2 3 Trigger output When a configurable 11 bit or 29 bit identifier is received the CANcheck g...

Страница 10: ...play If the space is not sufficient the content can be moved with the help of the keyboard The display has a background illumination In the default setting the background illumination is switched off...

Страница 11: ...display With the keys UP and DOWN you can change between the virtual keys shown above or below each other With the keys LEFT and RIGHT you can change between virtual keys shown next to each other The...

Страница 12: ...is checked whether the CAN network was cor rectly installed Tests with the CAN network switched on are executed with the menu item Oper ating parameters With these tests it is checked whether the nod...

Страница 13: ...CAN bus on both ends OK Start test The header shows that the wiring is tested first The test instructions are to be understood as follows generally for tests of the line parameters all CAN nodes shoul...

Страница 14: ...der means that more lines follow You can scroll down to them with the key DOWN Wiring test CAN_H CAN_L 65 OK CAN_GND 1 56k OK CAN_SHLD 1M OK GND 1M OK Continue the tests of the line parameters by retu...

Страница 15: ...test instructions are dis played Line length Disconnect all nodes Remove termination R on both ends OK Start test If you have not followed these test instructions the test result is negative Line leng...

Страница 16: ...f they have a high resistance between CAN_H CAN_L and ground The line length can only be correctly measured if you have connected the CAN check to the line end where normally one of the two terminatio...

Страница 17: ...an only be correctly measured if you have connected the CANcheck where normally one of the two termination resistors of the CAN net work is located In the case of correct line impedance the message TE...

Страница 18: ...r 2 Start the operational tests from the system menu by selecting the relevant menu item and OK Move the selection bar from menu item to menu item with the keys UP and DOWN Confirm your selection with...

Страница 19: ...llowing message either all CAN nodes are switched off or they are not sending any telegrams Baudrate detection Status scanning Wait for CAN traffic In this case please cancel the test with the ESC key...

Страница 20: ...ECUTED The CANcheck has consequently not checked the test result Baudrate detection TEST EXECUTED NEXT INFO You can see the test result via INFO Baudrate detection 500 kBit s If CAN_H and CAN_L are in...

Страница 21: ...inimum value maximum value and average value The symbols in the header mean that there are more lines in the table You can scroll down the table with the key DOWN To see the end of a long line you can...

Страница 22: ...red for the averaging default setting 3 times the measurement is already ended before the set measuring time has elapsed Please note it may take several minutes until the measurement is completed if i...

Страница 23: ...ast test differ from section 4 2 1 The CANcheck records the node IDs and not the message identifiers in the oper ating mode CANopen According to CANopen standard the node ID is uniquely contained in t...

Страница 24: ...eans that the list of individual tests does not fit in the display Scroll through the list with the key DOWN System menu Line parameters Operat parameters Individual tests Stored results Remote contro...

Страница 25: ...e CANcheck to the CAN network at any point Please switch the CAN network off before the wiring test In addition you should disconnect all CAN nodes from the network Switched off CAN nodes with a high...

Страница 26: ...istance is measured against all other lines measuring point 2 The test result shows the measuring point 1 in the header The list of the measur ing points 2 follows with the resistance values This is f...

Страница 27: ...AN_GND 1M GND 1M GND CAN_GND 1M Please note with measuring point CAN_V the resistance value 80 k 5 is pro duced solely by the internal resistance of the measuring equipment with measuring points CAN_S...

Страница 28: ...ermination resistors you can connect the CANcheck to the CAN network at any point Please switch the CAN network off before the test In addition you should disconnect all CAN nodes from the network Swi...

Страница 29: ...dual tests Term resistors Disconnect all nodes Terminate CAN bus on both ends OK Start test Term resistors Status scanning Term resistors 65 OK Copyright IXXAT Automation GmbH CANcheck Manual Version...

Страница 30: ...and ground can remain connected As the resistors of all connected CAN nodes are parallel however the resistance of every individual CAN node must then be greater than the number of CAN nodes x 1 k Pl...

Страница 31: ...Individual tests Line length Status scanning Line length 96 m Copyright IXXAT Automation GmbH CANcheck Manual Version 1 2 31...

Страница 32: ...e between CAN_H CAN_L and ground can remain connected As the resistors of all con nected CAN nodes are parallel however the resistance of each individual CAN node must then be greater than the number...

Страница 33: ...Individual tests Line impedance Status scanning Line impedance 117 OK Copyright IXXAT Automation GmbH CANcheck Manual Version 1 2 33...

Страница 34: ...ou can connect the CANcheck to this socket via the 1 to 1 cable If this is not the case you can loop in the CANcheck between any CAN node and the CAN network via the Y cable Please put the CAN network...

Страница 35: ...k to the CAN network at any point If there is a free SUB D9 socket in the CAN network you can connect the CANcheck to this socket via the 1 to 1 cable If this is not the case you can loop in the CANch...

Страница 36: ...ted If the CANcheck has not completed baudrate detection within a few seconds you can cancel the test with the ESC key In this case please check whether the CAN network is operational whether CAN netw...

Страница 37: ...any point If there is a free SUB D9 socket in the CAN network you can connect the CANcheck to this socket via the 1 to 1 cable If this is not the case you can loop in the CANcheck between any CAN node...

Страница 38: ...etection Status scanning Wait for CAN traffic Identifier scan Status scanning Identifier scan Scan time 20 s S Standard ID E Extended ID ID Count S 386 83 S 388 83 Copyright IXXAT Automation GmbH CANc...

Страница 39: ...repeated in your CAN network with a pe riod of more than 10 s you must change the scan time This is done via the me nu item Settings The length of the list with node IDs and counters is limited to th...

Страница 40: ...re Scroll through the list with the keys UP and DOWN Error messages are explained in section 6 Baudrate detection Status scanning Wait for CAN traffic Node ID scan Status scanning Node ID scan Scan ti...

Страница 41: ...of the bus load you can connect the CANcheck to the CAN network at any point If there is a free SUB D9 socket in the CAN network you can connect the CANcheck to this socket via the 1 to 1 cable If th...

Страница 42: ...l through the list with the key DOWN The table contains the following test results in each case as minimum value maximum value and average value Bus load Unit per cent All messages Unit frames per sec...

Страница 43: ...AVG Bus load Busload Bus load 1 1 1 Total frames Busload Total frames 125 131 127 F Error frames Busload Error frames 0 0 0 F Error Total frames Busload 0 0 0 F Error Total frames 0 0 0 Copyright IXXA...

Страница 44: ...ntifier to a CAN node however you require the alloca tion between identifier and CAN nodes in your CAN network The CANcheck can only determine the allocation if your CAN network works according to the...

Страница 45: ...ng of the list is shown here Scroll through the list with the keys UP and DOWN Error messages are explained in section 6 Signal levels per S Standard ID E Extended ID Vd CAN_H CAN_L Va CAN_H CAN_GND 1...

Страница 46: ...ed bus load the fol lowing reference values apply 2048 11 bit identifiers can be measured with 73 bus load 2048 29 bit identifiers can be measured with 59 bus load For signal level measurement the ide...

Страница 47: ...ore than 10 s you must change the scan time This is done via the menu item Settings You can also change averaging via the menu item Set tings The CANcheck analyzes the signal level for each identifier...

Страница 48: ...Status scanning Wait for CAN traffic Node ID scan Status scanning Signal levels per no Status measuring After the measurement the test result appears Only the beginning of the list is shown here Scro...

Страница 49: ...node IDs a certain bus load must not be exceeded With an equally distributed bus load the fol lowing reference values apply 127 node IDs in 2048 11 bit identifiers can be measured with 73 bus load For...

Страница 50: ...ocket in the CAN network you can connect the CANcheck to this socket with the SUB D9 connector with CAN cable If this is not the case you can loop in the Y cable between any CAN node and the CAN netwo...

Страница 51: ...29 Bit ID Trigger output Use keys to change Trig ID 0000 Trigger output Status triggering Please note The selected 11 bit or 29 bit identifier must be present on the CAN network Copyright IXXAT Autom...

Страница 52: ...ars for approx 2 seconds Then FAIL appears in the header The only supported menu item is Settings Error number 1 means that the battery voltage is too low With the menu item Settings you can check the...

Страница 53: ...off the CANcheck detects voltage e g the recessive level on the CAN bus With tests that require a switched off CAN node one of the above error messages appears In these cases please cancel the test wi...

Страница 54: ...AN_H CAN_L and ground can remain connected As the resistors of all connected CAN nodes are parallel however the resistance off each individual CAN node must then be greater than the number of CAN node...

Страница 55: ...detection see section 6 4 are canceled with the ESC key during baudrate detection the above error message appears In this case the baudrate detection has failed and you do not receive a test result In...

Страница 56: ...ignal levels will show you the affected identifiers as follows identifier Vd PER Va PER It is possible that the identifier was present during the Vd measurement but ab sent during the Va measurement T...

Страница 57: ...6 Identifiers OK 1 Identifiers BIT 0 Identifiers ERROR S 386 2 0Vd OK 3 5Va OK S 388 1 9Vd OK Signal levels per S 1840 2 3Vd OK 3 7Va OK S 1911 Vd BIT Va BIT S 1919 2 5Vd OK 3 9Va OK For signal level...

Страница 58: ...s in the first data byte are random anyway it is sufficient to repeat the test once or more often One of these tests will measure a bit stream with two domi nant bits in a sequence In operating mode C...

Страница 59: ...mote control Maintenance Then you can choose between Show all and Delete all with the keys UP and DOWN If Show all is selected the new function of the keys is shown Scroll through the text with the ke...

Страница 60: ...view all test re sults one after the other by pressing the key RIGHT repeatedly Show all Wiring test CAN_H CAN_L 65 OK CAN_GND 1 56k OK CAN_SHLD 1M OK GND 1M OK Show all Term resistors 65 OK Show all...

Страница 61: ...gth 96 m Show all Line impedance 117 OK Show all Power supply CAN_V CAN_GND 0 0 V Delete the test results via the menu items Stored results and Delete all Please answer the inquiry with OK If you then...

Страница 62: ...the CANcheck automatically switches off or you switch it off all stored results are deleted If you want to keep the stored results for more than 10 minutes for example to transfer the stored results...

Страница 63: ...s are required 1 Please connect the CANcheck to the PC with the USB cable provided 2 Determine which port COM was allocated to the CANcheck with the De vice Manager on the PC 3 Start a terminal progra...

Страница 64: ...llowing appears in the window of the terminal program All measurement results No valid results END However if you have carried out successful tests of the line parameters and not switched the CANcheck...

Страница 65: ...llows 1 Record the transmitted data in the terminal program on the PC For this select Transfer Text recording in the Hyperterminal program Please enter a meaningful path and name for the file and pres...

Страница 66: ...st be issued by a program In addition the program must accept the messages and the test result With operation via the terminal program however it was shown that the CANcheck supports a serial protocol...

Страница 67: ...e on the CD provided The following welcome window then appears Click on the button Next to continue Please read the license agreement in the next window and select I accept the agreement before clicki...

Страница 68: ...USB driver Please select Yes restart the computer now and click on the button Finish to complete the installation Copyright IXXAT Automation GmbH CANcheck Manual Version 1 2 68...

Страница 69: ...ears Please select No not this time and click on the button Next to continue In the next window please select Install software automatically recommended and click on the Next button to continue Please...

Страница 70: ...vice Manager on the index card Hardware Click on the plus symbol next to Ports in order to view the ports In the fol lowing example the CANcheck was assigned the port COM6 Please note The window of th...

Страница 71: ...115200 Baud 8 N 1 no flow control To test the connection switch the CANcheck on by pressing any key for more than 1 second End the subsequent test screen by pressing a key again Then se lect the menu...

Страница 72: ...display Remote control Use 115200 Baud 8 N 1 Remote control server started In the window of the terminal program on the PC the following appears The test of the connection is now completed Copyright...

Страница 73: ...lassified as OK Cable length measurement 20 m to 500 m 3 m resolution Line impedance 120 20 is classified as OK CAN_V supply 0 V to 30 V Baud rate detection 5 kBit s 10 kBit s 20 kBit s 50 kBit s 62 5...

Страница 74: ...rately according to 10 para 2 clause 3 Electrical and Electronic Equipment Act ElektroG in the edition of March 16 2005 in the General Terms and Conditions of Busi ness of IXXAT and its supplements Ac...

Страница 75: ...t the 9 pin D Sub con nector and at the subscriber If problems arise during operation of the CANcheck despite the instructions above the distance between potential sources or drains of interference e...

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