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PCAN-Diag 2
Handheld Device for CAN Bus
Diagnostics
User Manual
Document version 2.8.0 (2019-06-19)
PCAN-Diag 2 – User Manual
Relevant products
Product name
PCAN-Diag 2
Model
High-speed CAN transceiver
On request:
Low-speed CAN transceiver
Single-wire CAN transceiver
Firmware Part number
V1.8.9 IPEH-002069-V2 from ser. no. 600
PCAN® is a registered trademark of PEAK-System Technik GmbH. CANopen® and
CiA® are registered community trade marks of CAN in Automation e.V.
All other product names in this document may be the trademarks or registered trademarks of their respective companies. They are not explicitly marked by ™ or ®.
© 2019 PEAK-System Technik GmbH
Duplication (copying, printing, or other forms) and the electronic distribution of this document are only allowed with explicit permission of PEAK-System Technik GmbH.
PEAK-System Technik GmbH reserves the right to change technical data without prior announcement. The general business conditions and the regulations of the license agreement apply. All rights are reserved.
PEAK-System Technik GmbH
Otto-Roehm-Strasse 69
64293 Darmstadt
Germany
Phone: +49 (0)6151 8173-20
Fax: +49 (0)6151 8173-29 www.peak-system.com [email protected]
Document version 2.8.0 (2019-06-19)
2
PCAN-Diag 2 – User Manual
Contents
2 Putting the Device into Operation
Auxiliary Supply for CAN Transceiver
3
PCAN-Diag 2 – User Manual
Displaying Incoming CAN Messages 29
Representing CAN Messages in Symbolic Form 32
Creating a Symbol File with the PCAN
Using Multiplexers in Symbol Files
Filtering the CAN Traffic (at Recording)
Playing Back Recorded CAN Traffic
Using the Recorded CAN Traffic on the PC
5 Measuring Functions for the CAN Bus
Voltages on the D-Sub Connector
Properties of the Oscilloscope Function
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PCAN-Diag 2 – User Manual
Showing a Report about the Decoded CAN Frame 73
Saving the Scope Screen and the Sample
Controlling the First Transmit List
Settings for the Oscilloscope Function
7 Configuring the Device with Projects
Creating and Loading a Project
Integrating an Alternative Splash Screen
8 Maintenance Functions for the Device
9 Browsing the Internal Memory Card
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PCAN-Diag 2 – User Manual
11 USB Connection with a PC 99
Purposes of the USB connection
Restriction for Diag Functions
PCAN-Diag Files on the Internal Memory Card 101
Appendix C Disposal Information (Batteries)
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PCAN-Diag 2 – User Manual
Menu Tree
Shutdown time (battery)
Receive Msgs. as Symbols
Help
Show vertical cursors
Show decoded segments
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PCAN-Diag 2 – User Manual
Elements on the Rear
CAN connection (D-Sub)
Ground socket
Supply socket
PC connection (USB)
BNC connector for trigger output or for measuring channel 2
Switch interlock for push dial
8
PCAN-Diag 2 – Introduction
1 Introduction
The PCAN-Diag 2 is a handheld diagnostics unit with functions to allow investigation of a CAN bus, such as detection of the CAN bitrate, bus load measurement, and termination measurement. As well as receiving CAN messages, it can transmit either individual messages or entire sequences of them. In addition, the internal memory card allows tracing and playback of the CAN traffic.
The integrated two-channel oscilloscope enables visualization of
CAN signals. Single CAN IDs and various events can be used as triggers. The CAN frames are decoded from the recorded signal course, for example, to detect errors in the frame.
Incoming CAN messages can be represented as symbols for clear and easy allocation. The PCAN Symbol Editor software supplied with this product enables convenient creation of the symbol files needed for this feature.
Output is through a color display. The device is operated with a push dial.
Alternatively to High-speed CAN, the PCAN-Diag 2 is also available with connectivity to Low-speed or Single-wire CAN.
Note: This manual refers to devices that are operated with firmware version 1.8.9.
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PCAN-Diag 2 – Introduction
1.1
Properties at a Glance
General
High-speed CAN ISO 11898-2, available on request with CAN transceiver module for Low-speed CAN ISO 11898-3 or Singlewire CAN SAE J2411
CAN bus connection via D-Sub, 9-pin (in accordance with
CiA® 303-1)
Select from fixed and 8 user-defined bitrates
Color display with 320 x 240 pixel resolution
Voltage supply with (rechargeable) batteries (4 x AA) or with enclosed AC adaptor (no charging function for inserted rechargeable batteries)
Internal memory card (at least 1 GByte) for saving projects; can also be used as a mass storage device during a USB connection to a PC
Operating temperature range of 0 to 50 °C (32 to 122 °F)
Functions
Analysis of CAN networks at the physical and the protocol level
Symbolic representation of incoming CAN messages using symbol files, taking into account enums (lists of values), multiplexers, and ID ranges
Symbol files can be set up using the Windows software PCAN
Symbol Editor supplied with this product
Recording of incoming CAN messages to the internal memory card, if required, with CAN ID filtering
Playback of trace files
Conversion of trace data to various output formats using the
Windows software PEAK-Converter
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PCAN-Diag 2 – Introduction
Transmission of CAN messages or message lists
Decimal, hexadecimal, or binary entering of CAN data; data change of a single transmission message during runtime
Measurement of CAN bus load, displayed by means of a time diagram, switchable display of error frames
Bus load time diagrams can be saved as Bitmap screenshots
Measurement of the termination of the High-speed CAN bus, even while the system is running
Switchable CAN termination for the connected bus, depending on the transceiver module used
Voltage measurement for all pins of the CAN connector (D-Sub)
Management of the device configuration, transmit lists, symbol files, and all recorded data (traces, screenshots, and CSV files) in projects
Optional auto-reset on Bus Off
Oscilloscope function
Two independent channels having a maximum sampling frequency of 20 MHz each
Memory depth can be set to up to 64 kSamples
Display of the CAN-High and the CAN-Low signal as well as the difference of both signals
Time measurement with a resolution of up to 50 ns
Inspection of external signals (with frequencies up to 1 MHz) with a probe via the BNC connection
Configuration of trigger to frame start, frame end, CAN errors,
CAN ID, or to signal edges for external signals
External measurement devices can be triggered using the BNC connector
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PCAN-Diag 2 – Introduction
Depiction of raw CAN frames
Decoding of CAN frames from the recorded signal course
Current view can be saved as bitmap screenshot
Saving sample data as CSV file
PCAN-Diag Editor
(Windows software included in scope of supply)
Convenient configuration of all available device settings
Compilation of transmit lists
Configuration of up to 8 bitrates per project
Device configuration, transmit lists, and associated symbol files can be saved in projects
Projects can be transferred to the internal memory card of the
PCAN-Diag 2 using a USB connection
1.2
Scope of Supply
PCAN-Diag 2
Configuration software PCAN-Diag Editor for Windows
PCAN Symbol Editor for Windows
Conversion software PEAK-Converter for Windows
Batteries (4 x 1.5 V AA)
Micro USB connector cable
AC adaptor with changeable plugs for Euro, U.S., and UK
Manual in PDF format
Printed quick start guide
Plastic case for the device and accessories
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PCAN-Diag 2 – Putting the Device into Operation
2 Putting the Device into
Operation
For operation of the PCAN-Diag, go through the sections of this chapter in order.
2.1
CAN Connection (D-Sub)
CAN connector (D-Sub) on the rear of the device
Depending on the equipped CAN transceiver, PCAN-Diag's CAN socket (9-pin D-Sub) has different pin assignments.
Pin assignment for equipment with High-speed CAN transceiver ( standard ) or Low-speed CAN transceiver, according to specification CiA® 303-1
(additional notes in the following subsections)
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PCAN-Diag 2 – Putting the Device into Operation
Pin assignment for equipment with Single-wire CAN transceiver
(additional notes in the following subsections)
2.1.1
Auxiliary Supply for CAN Transceiver
If the PCAN-Diag is equipped with a Low-speed or a Single-wire
CAN transceiver, a supply for the CAN transceiver must be set up via pin 9 of the D-Sub connector in addition to the common voltage
supply (section 2.2), otherwise the CAN communication does not
work.
Equipped with transceiver type
High-speed CAN
Low-speed CAN
Single-wire CAN
Standard
ISO 11898-2
ISO 11898-3
SAE J2411
Voltage range aux. supply no auxiliary supply
5 - 27 V DC
6 - 18 V DC
Attention!
Risk of electronics destruction by reverse polarity!
Make sure that the auxiliary supply is connected with the correct polarity.
2.1.2
Ground Connection
The D-Sub connector's shield is internally connected to voltage ground (GND).
The connection of voltage ground (GND) to pins 3 and 6 can be switched via Device Settings > D-Sub GND connection .
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PCAN-Diag 2 – Putting the Device into Operation
Note: If the device is equipped with a Low-speed or a Singlewire CAN transceiver, GND must always be connected (reference potential for the auxiliary supply), otherwise the CAN communication does not work.
For separate ground connection to other CAN nodes or measuring objects an additional 4-millimeter GND socket is provided on the rear of the device.
GND socket (4 mm) on the rear of the device
2.2
Voltage Supply
The PCAN-Diag can be supplied in two ways:
While operation, supply status is shown on the screen's upper status bar.
Icon Meaning
The device is connected to an external voltage source (e.g. AC adaptor)
The device is supplied by the inserted (rechargeable) batteries. The fill level icons give an estimation on the remaining capacity.
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PCAN-Diag 2 – Putting the Device into Operation
Note: Inserted rechargeable batteries are not charged during external supply.
2.2.1
Supply Socket
Supplying the PCAN-Diag via the designated socket can be done using the enclosed AC adaptor or another DC source.
Supply socket on the rear of the device for the connection by a barrel connector
Supply voltage:
12 V DC (8 - 50 V possible)
Diameter of barrel connector: a = 5.5 mm, b = 2.1 mm; minimum length: 11 mm
2.2.2
Batteries
For mobile use, the PCAN-Diag can be supplied by (rechargeable) batteries:
Size: AA
Quantity: 4
Single voltage: nominal 1.2 V or 1.5 V
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PCAN-Diag 2 – Putting the Device into Operation
The battery compartment is located on the device's bottom side.
The lid is fixed with two screws.
Positions of the screws for the lid of the battery compartment
(second screw is located beneath the rubber sleeve)
If an external supply is connected to the device, it will be used as primary source. Batteries can stay in the device.
Note: Inserted rechargeable batteries are not charged during external supply. For charging, please remove the empty rechargeable batteries and use a separate charger (not in the scope of supply).
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PCAN-Diag 2 – Putting the Device into Operation
2.3
Operation with the Push Dial
Operating the PCAN-Diag is solely done by the push dial.
Dial :
Move selection; alter value
Push :
Switch on device; execute selected function; exit current function
2.3.1
Powering Up the PCAN-Diag
Hold down the push dial for at least half a second.
A splash screen appears for a short moment; then it's replaced by the main menu.
Tip: If the device despite existing voltage supply (external or battery) cannot be switched on, check the switch interlock (see next section).
To switch off the device, select Power Off from the main menu.
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PCAN-Diag 2 – Putting the Device into Operation
2.3.2
Switch Interlock
Powering up the device can be blocked by a small switch on the rear in order to prevent the batteries from accidental discharging, e.g. during transport.
Switch on the rear of the device for switch interlock of the push dial, upper position for activated switch interlock
In order to enable the switch interlock, bring the small switch on the rear to the upper position while the device is turned off. The device now cannot be powered up with the push dial.
To disable the switch interlock, bring the switch back to the lower position.
Switch position up
Switch interlock enabled disabled
down
2.4
Setting Date and Time
The PCAN-Diag has an integrated clock. The time stamp is used when a file is saved to the internal memory card. We recommend that you check the current date and time after the first start of the device (main menu item Internal Statistics ) and adjust them if required.
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PCAN-Diag 2 – Putting the Device into Operation
Do the following to set the date and time:
1.
In the main menu select Device Settings .
2.
At the entry Date & time click on Set .
3.
At Date and at Time click on the digits to be adjusted and change the values by dialing.
4.
When all digits are adjusted, click on Set .
2.5
Status Indication
When operating the device, icons on the upper right of the screen indicate the status of the voltage supply and the CAN bus communication.
Icon Meaning
The device is connected to an external voltage source (e.g. AC adaptor)
The device is supplied by the inserted (rechargeable) batteries. The fill level icons give an estimation on the remaining capacity.
T R CAN traffic: T = Transmit, R = Receive
Blinking: Outgoing/incoming CAN messages act pas off
Yellow, red: Erroneous traffic
Informs about the bus status ( act ive, pas sive, bus off ). When entering bus-off state, due to high (transmission) error rate, no further CAN messages are transmitted or received. In this case, after fixing the bus problem (e.g. a wrong CAN bitrate), a reset of the CAN controller should be performed. You have the following possibilities to do so:
- CAN Data > Receive Messages > Rst
- CAN Data > Receive Msgs. as Symbols > Rst
- CAN Data > Transmit Messages > Reset
- Device Settings > Auto-reset on BusOff > On (automatically)
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PCAN-Diag 2 – Putting the Device into Operation
Icon
L
Meaning
The device operates in observation mode (listen-only). It is automatically activated if the silent startup function detects a difference between the bitrates of the device and on the bus ( Device Settings ). The observation mode can also be enabled or disabled manually (see
21
PCAN-Diag 2 – Device Settings
3 Device Settings
Main menu entry Device Settings
Here you specify the settings for the connection to a CAN bus and those for the use of the device.
When you have changed settings, save them permanently with
Save&OK . If you want to use the changed settings only temporarily
(during the current session), click OK . A subsequent session (after an off-on cycle) uses the initial settings again.
Tip: You can adjust the device settings quickly to different
applications by means of projects (see chapter 7 on page 85).
3.1.1
Silent startup
If this function is activated, at each device start the set CAN bitrate is checked in relation to the data traffic on the connected CAN bus.
During this sequence the listen-only mode is active in order to avoid impact on the CAN traffic by the PCAN-Diag. This is indicated by the
L in the top line.
If the device's bitrate matches, the listen-only mode is deactivated
22
PCAN-Diag 2 – Device Settings after a short period, else it stays active.
You can activate or deactivate the listen-only mode manually with the corresponding device setting Listen-only mode .
3.1.2
Detect CAN bitrate
If the bitrate of the CAN bus connected to the PCAN-Diag is unknown, the PCAN-Diag can automatically detect it. This requires data traffic on the CAN bus.
Bitrates from the following series are recognized (kbit/s): 1000; 800;
500; 250; 200; 125; 100; 95.2; 83.3; 50.0; 47.6; 33.3; 20.0; 10.0
3.1.3
CAN bitrate
Selection from a series of CAN bitrates, in order to correspond to the one on the connected CAN bus.
Besides the fixed bitrate values, the list contains eight user-defined bitrates. They are managed in the following setting.
If using the PCAN-Diag with a Low-speed CAN or Single-wire CAN transceiver, actually higher bitrates as the standards provide (see following table) can be selected. However, this leads to a warning and a non-working CAN communication.
CAN transmission type Standard
High-speed CAN ISO 11898-2
Low-speed CAN
Single-wire CAN
ISO 11898-3
SAE J2411
Maximum bitrate
1 Mbit/s
125 kbit/s
100 kbit/s
3.1.4
User CAN bitrates
To adapt to specific conditions, experts may directly access the bus timing registers (BTR) of the integrated CAN controller. The register
23
PCAN-Diag 2 – Device Settings settings are analog to those of a SJA1000 CAN controller operating at 16 MHz clock frequency.
Eight user-defined entries can be edited. Each entry contains a 2byte value (4 hexadecimal digits) for the bus timing registers and an arbitrary name. User-defined bitrates appear later with their name in the CAN bitrate list below the fixed bitrate values.
Tip: For easier determination of the register values, the provided DVD contains a Windows program ( /Tools/BRCAN.exe
).
For each entry the table for editing shows the parameters that result from the given register values: the bitrate, the sample point (SP), and the synchronization jump width (SJW).
Tip: To reset an entry (Name = UserX, Bitrate = undef), set the
BTR value to 0000.
3.1.5
CAN termination
The internal CAN termination can be switched. The type of termination is depending on the CAN transceiver that is integrated in the
PCAN-Diag. Please refer to the corresponding subsection.
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PCAN-Diag 2 – Device Settings
High-speed CAN
Indication Transceiver: High speed
A High-speed CAN bus needs to be electrically terminated on both ends using resistors of 120 . If the PCAN-Diag is connected to an un-terminated end of a CAN bus, the internal terminating resistor of
124 can be engaged here.
Setting
Off
On
Resistor none
124
Description
Termination is already correctly applied to the Highspeed CAN bus and the device is connected to a tap within the CAN bus.
The device is connected to a CAN bus whose termination isn't complete yet.
Tip: If you want to check that a connected High-speed CAN bus is terminated correctly, you can use the following function:
Measurements > CAN Termination
Low-speed CAN
Indication Transceiver: Low speed fault-tolerant
Every node on a Low-speed CAN bus has a terminating resistor. For optimum system conditions the whole bus should be terminated with 100 (parallel connection of all terminating resistors). A single node is terminated with at least 500 and at most 6 k .
Setting
Off
On
Resistor
4.7 k
1.1 k
Description
If monitoring an existing, already optimally terminated
CAN bus. The total termination is only slightly affected by the higher resistance.
If using few nodes on a CAN bus.
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PCAN-Diag 2 – Device Settings
Single-wire CAN
Indication Transceiver: Single wire
The busload resistor at the Single-wire CAN transceiver can be changed with this function.
Setting
Off
On
Resistor
9.1 k
2.1 k
For more information about the function of the busload resistor, see the data sheet of the TH8056 CAN transceiver by Melexis
(www.melexis.com), for example.
3.1.6
Transceiver mode
Only with integrated Single-wire CAN transceiver, indication Transceiver: Single wire
The Single-wire CAN transceiver can be operated in three different modes.
Mode
Normal
Description
Up to 40 kbit/s, with wave shaping
High-speed * Up to 100 kbit/s, without wave shaping
Wake-up Like normal mode, but with increased signal levels
* To prevent mistakes: The term “High-speed mode” refers to Single-wire CAN and is not related to High-speed CAN.
The Sleep mode , defined in addition for Single-wire CAN, is not supported.
Note: This setting is not available for a project in the PCAN-
Diag Editor; it can only be set in the PCAN-Diag itself.
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PCAN-Diag 2 – Device Settings
3.1.7
Listen-only mode
If you want the device to not affect the traffic on the CAN bus, i.e. use it as pure monitoring tool, the Listen-only mode must be activated ( On ). The device will neither acknowledge nor transmit CAN
(error) frames. Furthermore, active transmit lists are deactivated.
3.1.8
Auto-reset on BusOff
If the function is activated ( On ), the PCAN-Diag automatically performs a reset of the CAN controller when it has changed to BusOff state due to many transmission errors. This can come in handy e.g. in case of experiments with bitrates on other CAN nodes.
3.1.9
D-Sub GND connection
The device's voltage ground can be disconnected from the D-Sub connector by software ( Off ). This setting is relevant for pins 3 and
6 of the D-Sub connector (for assignment overview see on page 13).
The connector shield is permanently connected to the device's voltage ground.
3.1.10
Shutdown time (battery)
If the PCAN-Diag is run with (rechargeable) batteries, battery sources can be preserved by switching off the device automatically after a set period, as long as the push dial hasn't been used. Setting to
Never causes the device to stay alive all the time.
If operating the device with an external supply, for example with the enclosed AC adaptor, this setting does not have any effect.
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PCAN-Diag 2 – Device Settings
3.1.11
Screensaver timeout
The brightness of the display will be reduced whenever the device is not operated for a certain period. This can prolong the operating time at use with (rechargeable) batteries.
3.1.12
Beeper
The PCAN-Diag can give acoustic feedback to several events.
Among other, a change of the CAN bus status is signalized. The
Off setting disables the acoustic signal function of the PCAN-Diag.
3.1.13
Date & time
With Set the device date and time are adjusted. Date and time are used when saving files to the internal memory card.
3.1.14
Reset file index
File names of bitmaps or scope data to be saved get a number coming from a counter. The current count is indicated in parentheses and can be set to 0 by clicking Reset .
3.1.15
Transceiver
Shows the type of the CAN transceiver integrated in the PCAN-Diag and thus the standard of the CAN communication (no setting option).
Indication
High speed
CAN transmission type Standard
High-speed CAN
Low speed fault-tolerant * Low-speed CAN
Single wire * Single-wire CAN
ISO 11898-2
ISO 11898-3
SAE J2411
* Needs an auxiliary voltage supply via pin 9 of the D-Sub connector (see section
28
PCAN-Diag 2 – CAN Traffic
4 CAN Traffic
Main menu item CAN Data
The PCAN-Diag 2 can show the CAN data of incoming CAN messa-
ges either in a simple way in hexadecimal format (section 4.1) or
with the help of symbol files that convert the CAN data into a more
readable form (sections 4.2/4.3 on page 32).
The other way, it is possible to transmit prepared CAN messages
periodically or manually (sections 4.4/4.5 on page 47).
In addition there's the possibility to record incoming CAN traffic to files on the internal memory card. The recorded data can later be played back 1:1 or, on a PC, can be converted to various output
formats and evaluated (section 4.6 on page 51).
4.1
Displaying Incoming CAN Messages
Menu item CAN Data > Receive Messages
Incoming CAN messages are shown as a list, sorted by CAN ID
(column ID ). The representation of the CAN data bytes ( D0 … D7 ) is in hexadecimal format. Each occurrence of a CAN message increments its counter ( Count ). The counting starts with the invocation of the CAN message view. The Time column indicates the period between the last two occurrences of a CAN message.
Indicated units for time:
Indication Unit u μ s m ms s
Shown at…
0 - 999 μ s
1 - 999 ms
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PCAN-Diag 2 – CAN Traffic
Simple view of incoming CAN messages.
You can manipulate sorting in the table by clicking on CAN messages. By doing so these messages are moved to the top of the list and marked orange . Clicking on an orange CAN message takes back the emphasis, meaning that is sorted by CAN ID again.
Emphasized display of CAN messages (orange)
Red list entries indicate CAN errors that are reported by the CAN controller.
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PCAN-Diag 2 – CAN Traffic
Rst
Clears the list of incoming CAN messages and resets the CAN controller. Latter is useful after fault maintenance on the CAN bus.
Tx1 … Tx7
These items represent the first seven transmit lists that are defined under CAN Data > Manage Transmit Lists
The lower status line informs about the selected transmit list: name of the transmit list, defined cycle time, “Single” standing for a transmit list to be triggered manually. A click activates the selected transmit list for cyclic transmission or triggers a single transmission depending on the type of the transmit list.
Display
Tx3
Tx3
Tx3
Information about the first transmit list
Color brown orange dimmed
Meaning inactive transmit list with defined cycle time transmit list transmitted periodically or transmit list is ready for manual transmission (“Single”) no transmit list available for this item
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PCAN-Diag 2 – CAN Traffic
4.2
Representing CAN Messages in Symbolic
Form
Menu item CAN Data > Receive Msgs. as Symbols
In order to simplify the interpretation of CAN data, it can be represented in symbolic form. The representation is determined by a symbol file.
Note: Before you can represent CAN messages in symbolic form, you must have loaded a symbol file being part of a
project. More in the following section 4.3
Managing Symbol
Files
Properties of the symbolic representation:
A CAN ID is identified with a name by using a Symbol .
Bit sequences in a CAN message representing individual quantities are given a name by variables .
Data can either be represented in decimal, in hexadecimal, or in binary format. The binary representation in the PCAN-Diag is done with a maximum of 16 digits. If more binary digits are necessary, the value is automatically represented decimally instead of binary.
Variables can convert raw data transmitted via CAN and represent it as physical quantity with a unit.
Specific variable values can be represented alphanumerically by using enums (value lists).
Multiplexers define different symbol definitions for data output of a single CAN ID.
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PCAN-Diag 2 – CAN Traffic
Symbol
Variables
Symbolic representation of CAN messages, to be reached with CAN Data > Receive Msgs. as Symbols
Sort
Sorts the displayed symbols according to the selected element.
Selection for sorting
Name
ID
Count
Meaning
Symbol name
CAN message ID affiliated to a symbol
Number of receive events for a symbol
Changes in the list that would have influence on the sort order are not treated dynamically. To resort the list, select the sort command again.
Rst
Clears the list of symbols and resets the CAN controller. Latter is useful after fault maintenance on the CAN bus.
Name
Displays the active symbol file in the status line on the bottom. A different symbol file can be selected with the menu command CAN
Data > Manage Symbol Files . Furthermore, symbols or variables can be omitted from display there (see following section).
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PCAN-Diag 2 – CAN Traffic
4.3
Managing Symbol Files
Menu item CAN Data > Manage Symbol Files
With a symbol file the symbolic representation of CAN messages is determined.
Using symbol files:
One or more symbol files are made available in the PCAN-Diag
by a project (more about projects in chapter 7 on page 85).
For symbolic representation in the PCAN-Diag a single symbol file is used.
Symbol files can be created and altered in different ways (only externally on a PC):
with the provided Windows program PCAN Symbol Editor
(see the following section 4.3.1 on page 35)
in a text editor
by importing a CANdb data base (only with licensed
Windows program PCAN-Explorer 5 with CANdb Add-in, both available from PEAK-System)
Any symbol files ( *.sym
) on a PC can be used for a project. A project is created with the windows program PCAN-Diag Editor
A symbol file to be used in the PCAN-Diag may contain a maximum number of the following elements:
450 receive symbols
40 variables per symbol
900 variables in all
400 enums
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PCAN-Diag 2 – CAN Traffic
In the PCAN-Diag the symbol file to be used is selected, and it is determined which elements of this symbol file are displayed.
SelectFile
Shows a list of symbol files that are provided by the current project.
Select a symbol file that will be used for representation in Receive
Msgs. as Symbols .
EditFile
Shows a preview with the current symbol file. Select the elements to be displayed in case of representing CAN messages in symbolic form. Click on an entry to alter its status. Reactivate all entries for display with Sel.All
or vice versa with Sel.None
.
4.3.1
Creating a Symbol File with the PCAN Symbol
Editor
With the aid of an example, this section shows how to create a symbol file with the supplied Windows program PCAN Symbol
Editor. The example takes the following CAN messages into account:
Symbol
(data length)
TestSymA
(2 bytes)
TestSymB
(1 byte)
CAN ID Variable (unit)
223h Speed (km/h)
Temperature (° C)
224h Switch1
Bits (count) Enum
0 - 7 (8)
8 - 15 (8)
0 (1) Switches:
0 = Off, 1 = On
Do the following to create the symbol file:
1.
On a PC start the supplied Windows program PCAN Symbol
Editor ( PcanSEdt.exe
). You can find the program, for example, on the supplied DVD in the following directory:
/Tools/PCAN-Diag/PCAN-DiagV2/Tools/
35
PCAN-Diag 2 – CAN Traffic
After starting the program, the folders in the Item Navigator on the left hand side are still empty.
2.
Click on Add Symbol .
A new entry appears in the Symbols folder of the Item
Navigator.
3.
Adjust the items in the Symbol properties panel according to the given values for the TestSymA symbol.
36
PCAN-Diag 2 – CAN Traffic
Adjustments are done for the marked items.
4.
Click on Add Variable . As before with the symbol, adjust the items according to the given values for the Speed variable.
5.
Repeat the previous step for the Temperature variable.
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PCAN-Diag 2 – CAN Traffic
In order to display negative values the Data Type must be set to Signed .
6.
With Add Enum create the Switches enum. Later on this is used for the Switch1 variable.
A new entry appears in the Enums folder of the Item
Navigator.
7.
Add the two states Off (0) and On (1) to the enum with Add
Value .
8.
Create the TestSymB symbol with the Switch1 variable.
38
PCAN-Diag 2 – CAN Traffic
The variable uses the Switches enum.
9.
Use Save as to save the symbol file with the name
SymExample.sym
.
The final symbol file has the following contents:
FormatVersion=5.0 // Do not edit!
Title="Example"
{ENUMS} enum Switches(0="Off", 1="On")
{RECEIVE}
[TestSymA]
ID=223h
DLC=2
Var=Speed unsigned 0,8 /u:km/h
Var=Temperature signed 8,8 /u:"° C"
[TestSymB]
ID=224h
DLC=1
Var=Switch1 bit 0,1 /e:Switches
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PCAN-Diag 2 – CAN Traffic
4.3.2
Using Multiplexers in Symbol Files
With multiplexers different symbol definitions are used for the representation of CAN data from a single message. An area of the
CAN data is defined as multiplexer. The contained value indicates the symbolic representation to be used for the rest of the data in the
CAN message. With the aid of an example, this section shows how to create a symbol file with multiplexers.
Symbol
(CAN ID)
MuxSym
(200h)
Multiplexer area (bit count)
0 (1)
Multiplexer value
Data length
Variable (unit)
Temperature (° C)
Temperature (° C)
Bits
(count)
1 - 7 (7)
8 - 15 (8)
1 - 7 (7)
8 - 15 (8)
Do the following to create a symbol file with multiplexers:
1.
On a PC start the supplied Windows program PCAN Symbol
Editor ( PcanSEdt.exe
). You can find the program, for example, on the supplied DVD in the following directory:
/Tools/PCAN-Diag/PCAN-DiagV2/Tools/
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PCAN-Diag 2 – CAN Traffic
2.
Click on Add Symbol . Adjust the items in the Symbol properties panel according to the given values for the
MuxSym symbol.
The data length is not relevant at this point.
It is determined later separately for each multiplexer.
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PCAN-Diag 2 – CAN Traffic
3.
Add two multiplexers to the symbol by using Add
Multiplexer .
Multiplexer2 gets the value 01h (field Multiplexer Value ).
When the symbol file is used in the PCAN-Diag, the multiplexers are treated as a single signal named Mux. The names given in the PCAN-Symbol Editor are dismissed.
Therefore, for both multiplexers only the value must be indicated, for which a multiplexer comes into effect.
Note: If a symbol contains a multiplexer with dynamic data length (setting “Valid for all Data Lengths”), only this single multiplexer is used for the PCAN-Diag. Further multiplexers in the corresponding symbol are ignored. The data length yields from the contained variables.
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PCAN-Diag 2 – CAN Traffic
4.
Add the Speed variable to Multiplexer1 by using Add
Variable and adjust the entries according to the shown example.
5.
Add the Engine variable to Multiplexer2 by using Add
Variable and adjust the entries according to the shown example.
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PCAN-Diag 2 – CAN Traffic
6.
Add the Temperature variable to each of the two multiplexers by using Add Variable and adjust the entries according to the shown example.
7.
Use Save as to save the symbol file with the name
MuxSymExample.sym
.
The following figures show the two display possibilities for multiplexers on the PCAN-Diag screen:
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PCAN-Diag 2 – CAN Traffic
Common view of all variables Separate view of the multiplexers
In the common view, the variables of all multiplexers are shown in a single list. If the given name and all parameters of a variable are identical for all multiplexers, this variable is only listed once.
In the separate view, each multiplexer definition is shown as separate group (as known from the PCAN-Explorer).
The view is determined in the Windows program PCAN-Diag Editor when adding symbol files on the Symbols tab.
45
PCAN-Diag 2 – CAN Traffic
4.3.3
Reducing a Symbol File's Size
Because of the limited working memory in the PCAN-Diag, symbol files can only be read up to a specific size (see also beginning of
section 4.3 on page 34). One possibility to reduce the size of a
symbol file is using the Display Mode property.
You can find Display Mode in the properties of symbols, multiplexers, and variables.
Display Mode property in a symbol definition
The default for this property is On . If Off , the element is not processed by the PCAN-Diag Editor anymore. When transferring a project to the PCAN-Diag, elements with Display Mode Off are not compiled into the binary symbol file ( *.syb
).
Using this method you can reduce a symbol file's size without deleting symbols, multiplexers, or variables.
46
PCAN-Diag 2 – CAN Traffic
4.4
Transmitting CAN Messages
Menu item CAN Data > Transmit Messages
The transmission of CAN messages is done with transmit lists that have been created either with the menu command Manage
Transmit Lists (see following section) or with the Windows program PCAN-Diag Editor. The enabled lists are listed here.
Display Color Meaning
Name brown inactive transmit lists with defined cycle time (Cycle time > 0)
Name orange transmit list transmitted periodically or transmit list is ready for manual transmission (Cycle time = 0)
Activate a transmit list for single or cyclic transmission by clicking on the desired entry in the list.
Edit
(only for transmit lists with a single CAN message)
If the transmit list only contains a single CAN message, the data bytes of that message can be changed on the fly by this function, meaning, changes have an immediate effect, also during periodic transmission of the list.
47
PCAN-Diag 2 – CAN Traffic
There are columns for hexadecimal, decimal, and binary representation for each data byte of the CAN message where the values can be altered.
You alter the value of a data byte by clicking on the value in either the hex or dec column, turning the push dial, and clicking again afterwards to apply the set value, or clicking on a binary digit in the binary column to toggle its status and moving the marker afterwards.
With OK the value changes are kept until switching off the device, with Cancel the changes are discarded. In both cases the setting field is quit.
Reset
Resets the counters for the transmit lists (column Count ) to 0 and resets the CAN controller. Latter is useful after fault maintenance on the CAN bus.
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PCAN-Diag 2 – CAN Traffic
4.5
Managing Transmit Lists
Menu item CAN Data > Manage Transmit Lists
This function shows an overview of all available transmit lists.
An enabled entry is marked with a cross [X] . This means that the entry's properties can be modified and that the list is available for transmission under CAN Data > Transmit Messages .
Do the following to create one or more transmit lists:
1.
Enable an entry below Transmit list by checking the corresponding box.
2.
Click on the list entry's name in order to edit the properties.
If the entry hasn't been used yet, the name is unused .
An edit view is shown.
49
PCAN-Diag 2 – CAN Traffic
3.
Modify the list's name by clicking on it.
Characters are deleted with Del .
Keep the push dial pushed for automatic repetition.
4.
By default, the list already contains one entry. With the mnemonics E I D on the right you can do following actions:
Mnemonic Action Description
E Edit Shows a CAN message's properties to be modified.
I
D
Insert Adds a new CAN message to the list at the given position. Content is taken from the current CAN message.
Delete Removes this CAN message from the transmit list.
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PCAN-Diag 2 – CAN Traffic
5.
The value in the Offset column is indicating a duration in milliseconds whereafter the CAN message is transmitted.
The offset refers to the previously transmitted CAN message, thus this is a relative designation.
6.
Note the given value for Min. required cycle time below the transmit list. This indicates the lowest cycle time for the transmit list resulting from the sum of all transmit offsets.
You'll set the cycle time for a transmit list later in the overview of all transmit lists.
7.
Confirm your modifications to the transmit list with OK .
The overview of transmit lists is shown again.
8.
Set the Cycle time for each transmit list in the corresponding column. The value 0 ms means that the transmit list is only initiated manually.
Note: The cycle time of a transmit list should not be lower than the sum of all offsets in the transmit list. The PCAN-Diag finishes the transmission cycle of a transmit list, even if the defined cycle time is exceeded.
9.
Having created and enabled the desired transmit lists, click on OK or Save&OK .
4.6
Recording CAN Traffic
Menu item CAN Data > Trace Messages
With this function, incoming CAN traffic including RTR frames and error frames is recorded to a trace file on the internal memory card of the PCAN-Diag. Also the timing is regarded.
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PCAN-Diag 2 – CAN Traffic
If required, the incoming CAN traffic can be filtered due to CAN IDs
(see the following section 4.7 on page 53).
Note: When invoking the function and during the recording of the incoming CAN traffic, the transmission of CAN messages is suspended.
Later, a trace file (file name: trc00000.btr
with consecutive numbers) can be used for playback of the recorded CAN messages on
the CAN bus (see section 4.8 on page 55). As alternative, it is
possible to convert the recording on a PC to another format for
further use and for evaluation (see section 4.9 on page 56).
Do the following to record:
1.
Make sure that no USB connection is present between the
PCAN-Diag and a PC.
2.
Click on Start .
The recording is done to the indicated File .
3.
End the recording with Stop tracing .
Indication
File size
Meaning
File Name of the trace file for the current recording. The file name ( trc00000.btr
) is automatically put together with a consecutive number.
CAN queue level in % Current and maximum fill level of the receive queue
(latter in parentheses). If the queue has reached a fill level of 100 percent, most likely some incoming CAN messages were not recorded.
CAN messages total Number of CAN messages that are already recorded to the trace file
Current size of the trace file in kByte and already used storage space in percent of the maximum possible file size. During recording, the trace file grows in 512-byte blocks, each containing 25 CAN messages. Thus,
1 MByte can hold 51200 CAN messages.
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PCAN-Diag 2 – CAN Traffic
4.7
Filtering the CAN Traffic (at
Recording)
Usually all incoming CAN messages are used for CAN recording.
They can be filtered by a list of permissible CAN IDs.
A filter list is defined in a text file called Filter.flt
that is placed in the directory of the desired project on the internal memory card.
CAN IDs and ID ranges that are listed in the filter file can pass the filter, others don’t.
Do the following to apply a CAN ID filter for CAN traffic recording:
1.
With a text editor, create a filter file Filter.flt
listing the
IDs that can pass the filter. The format of the file is described below.
2.
Copy the filter file to the internal memory card of the PCAN-
Diag using a USB connection (see chapter 11 on page 99).
Use the following target directory:
/PCAN-Diag/Projects/ ProjectName
As long as the filter file exists in the project directory, the contained filter definitions are enabled. This is indicated on the PCAN-Diag display during CAN traffic recording. Rename or remove the
Filter.flt
file to disable filtering for the corresponding project.
4.7.1
Format Description Filter.flt
The Filter.flt
text file has several sections that are each introduced by the section name in square brackets.
Depending on the section, it can contain keywords, CAN IDs, or
CAN ID ranges.
A CAN ID is indicated by a decimal or a hexadecimal value
(latter with prefix 0x).
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PCAN-Diag 2 – CAN Traffic
For performance reasons, it is recommended to list CAN IDs in rising order.
A comment can be inserted starting with a double slash.
Section/Keyword Description
[global] This section is obligatory and must contain the following two keywords. version enable
[single_11bit]
Version format. Currently only
1 is valid.
Enables the filter. Currently only 1 is valid.
Defines 11-bit CAN IDs that can pass the filter.
[range_11bit] Defines 11-bit CAN ID ranges that can pass the filter.
[single_29bit]
[range_29bit]
Defines 29-bit CAN IDs that can pass the filter.
Defines 29-bit CAN ID ranges that can pass the filter.
Example entries version=1 enable=1
0x100
1023
4-13
0x200-0x340
// Full 11-bit range:
0x000-0x7ff
0x123
0x11111
125000
500-550
0x9000-0x10000
0x1F80000-0x1FA0000
// Full 29-bit range:
0x0000000-0x1FFFFFF
4.7.2
Example Filter.flt
[global] version=1 enable=1
// This is a comment
[single_11bit]
0x100
1023 // = 0x3FF - Another comment
0x5AB
[range_11bit]
4-13
0x200-0x340
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PCAN-Diag 2 – CAN Traffic
0x7f0-0x7fe
[single_29bit]
0x123
0x11111
125000 // = 0x1E848
[range_29bit]
500-550
0x9000-0x10000
0x1F80000-0x1FA0000
4.8
Playing Back Recorded CAN Traffic
Menu item CAN Data > Play Back Trace
The PCAN-Diag can play back CAN messages from a binary trace file ( *.btr
) onto the connected CAN bus. The timing of the CAN messages, as it occurred originally during recording of the trace file, is maintained.
Note: When invoking the function and during the playback of the trace file, the transmission of CAN messages from transmit lists is suspended.
Do the following to play back a trace file:
1.
When invoking the function, the playback type is set to a single pass of the trace file (selection PlayOnce ). In order to set up a continuous playback of the trace file with repetition, click on the field to switch to Infinite .
2.
Make sure that no USB connection is present between the
PCAN-Diag and a PC.
3.
Click on SelectFile and select the trace file ( *.btr
) for playback from the list.
The playback starts directly after selecting the file.
55
PCAN-Diag 2 – CAN Traffic
4.
Click on Pause playback to do so. Now you have the following options:
Function
Exit
Restart
Continue
Executed action
Ends the playback
Restarts the playback from the beginning of the trace file
Continues the playback from the point where the interruption occurred before
4.9
Using the Recorded CAN Traffic on the
PC
The recorded CAN traffic can be read by a PC via an USB connection from the internal memory card of the PCAN-Diag. It is stored in binary-coded trace files trc00000.btr
(file name with consecutive numbers) in the directory of the current project.
For further use you must convert the data in an appropriate format.
The Windows program PEAK-Converter is supplied on the DVD and on the internal memory card of PCAN-Diag for this purpose.
User interface of the PEAK-Converter
56
PCAN-Diag 2 – CAN Traffic
Possible conversion targets:
Target format
PCAN-Trace
Vector ASC Trace
Character Separated
Values (CSV)
File extensi on
Explanation/usage
.trc Text-based trace format by PEAK-System; viewing of the data in the PCAN-Explorer or playback of the
CAN messages with the PCAN-Trace program.
Tip: In connection with the trace files of the PCAN-
Diag, we recommend using the format version
1.1., because the recordings of the PCAN-Diag only have one channel and because this format version is usable in all programs from PEAK-System.
.asc Text-based trace format by the Vector company that also can be used by some third-party programs.
.csv Common, text-based format for import into a spreadsheet (semicolon as separator).
For further use of the trace data proceed as follows:
1.
Connect the PCAN-Diag to the PC with the provided USB cable. The PCAN-Diag does not need to be switched on.
2.
Under Windows, start the PEAK-Converter.exe
program from the internal memory card of the PCAN-Diag which resides in the /PCAN-Diag/Tools directory.
3.
Select a trace file (file name: trc00000.btr
with consecutive numbers) as source. You can find the trace files in a project directory:
/PCAN-Diag/Projects/<Project Name>
4.
Specify a destination file and select the desired target format (see above).
57
PCAN-Diag 2 – Measuring Functions for the CAN Bus
5 Measuring Functions for the
CAN Bus
Main menu item Measurements
This chapter describes the measurement functions of the PCAN-
Diag. The oscilloscope function is covered in the following chapter 6 on page 65.
5.1
Bus Load
Menu item Measurements > Bus Load
As long as no CAN messages are transmitted on the bus, the latter is idle. The bus load is the relation between idle time and CAN traffic time. 0 % means no CAN traffic at all. 100 % mean one CAN frame after the other is transmitted without any idle time inbetween. The percentage utilization of the CAN bus with CAN messages is shown in a graph over a period of time and is continuously updated.
The graph is put together out of sampling intervals whose duration results from the set CAN bitrate and the given number of Samples .
Per sample value an average and a maximum value of the bus load are calculated and shown as bars.
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PCAN-Diag 2 – Measuring Functions for the CAN Bus
Bus load diagram with message bursts (red peaks)
You can counter a high bus load with the following measures:
Raise the bitrate of all CAN nodes on the bus.
Increase the cycle time of specific messages in the CAN net in order to reduce their emergence (less CAN messages per time).
Save as BMP
A bitmap screenshot of the bus load screen is saved on the internal memory card (file name: pict000.bmp
with consecutive numbers).
On the memory card the files are written to the directory of the active project ( Projects > <project name> ). Get the name of the active project from the lower status bar in the main menu.
Access to the saved files is achieved from a PC via a USB
connection. See chapter 11 on page 99.
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PCAN-Diag 2 – Measuring Functions for the CAN Bus
Errors
Toggles between the view with and without the additional graph for occurring error frames (blue).
Bus load diagram with error frames
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PCAN-Diag 2 – Measuring Functions for the CAN Bus
5.2
CAN Bus Termination
Menu item Measurements > CAN Termination
Note: This function is only available if the PCAN-Diag is equipped with a High-speed CAN transceiver (indication at
Device Settings : Transceiver: High speed ).
The function measures the resistance value between the CAN_L and
CAN_H lines. While doing so the CAN traffic is not affected.
A High-speed CAN bus (ISO 11898-2) must be terminated with
120 on both ends between the CAN lines CAN_L and CAN_H. This measure will prevent signal reflections at the cable ends and a correct function of CAN transceivers attached to the CAN bus is assured.
The two termination resistors in parallel result in a total resistance of 60 . The measurement of the total resistance provides information about a correct CAN bus termination.
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PCAN-Diag 2 – Measuring Functions for the CAN Bus
CAN termination
Indicates the measured resistance value.
Measurement
~ 60 Ohm missing
~ 120 Ohm
< 45 Ohm
--- Ohm not cal.
(beside the resistance value)
Interpretation
The termination at the CAN bus is ok in terms of measurement.
Make sure that the termination resistors are positioned at each end of the bus and not, for example, at taps in the middle of the bus.
The CAN bus is missing any termination resistor, or the used resistor is too large. Set up a correct termination as described above.
Only one termination resistor is present.
Install a further 120-Ohms resistor at the opposite bus end.
Too many termination resistors are present at the CAN bus.
A reason may be that on one bus end both a separate termination resistor as well as a CAN node with internal termination are installed.
The measurement was not successful.
The measurement facility is not calibrated, meaning that the indicated measuring value may have a larger deviation from the actual resistance value.
Please contact our support about a calibration (see address
Fehler! Textmarke nicht definiert.).
Internal termination
If On , the internal termination resistor (124 ) is activated.
Altering the setting at this place is only temporary (until switching off the device). The internal termination can be set permanently in the Device Settings .
Start
The measurement is repeated. This may be useful after doing changes on the CAN bus.
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PCAN-Diag 2 – Measuring Functions for the CAN Bus
5.3
Voltages on the D-Sub Connector
Menu item Measurements > D-Sub Connector
The voltage levels for each pin of the D-Sub connector are measured and listed under Actual in the table. On the basis of the voltage levels on the pins conclusions can be made about the correct installation or function of the CAN bus.
Voltage measurement on the D-Sub connector
Example: When a High-speed CAN transceiver is idling (no CAN traffic), the signal lines CAN_High and CAN_Low have about
2.5 Volts. If the measured voltage differs significantly, the CAN transceiver of a CAN node may be defect.
Note: Because of a delay at voltage measurement due to technical reasons, transient voltage fluctuations cannot be detected reliably.
Supply voltage
Indicates the measured supply voltage. The used voltage source is shown in the top line:
63
PCAN-Diag 2 – Measuring Functions for the CAN Bus
Icon Voltage source
Externally via supply socket (e.g. with the supplied AC adaptor)
Inserted (rechargeable) batteries
Settings
Customize the view for each pin.
Element
Name
Enable
Defaults
Function
Arbitrary pin name
Measurement and display of the pin's voltage value
(on or off)
Min Max Valid voltage range for that pin, designation in mV
(-32000 - 32000)
Alarm Alarm sound when exceeding the valid voltage range
(on or off)
Resets the whole measurement display to defaults
Comment
The measurements at the pins are done in succession. If only a few pins are enabled, the measurements for an individual pin are happening more often.
This designation is only for display and does not have a functional background
(beside alarm).
- Not at transient voltage fluctuations
- Device setting for beeps ( Device
Settings > Beeper ) must be activated
64
PCAN-Diag 2 – Oscilloscope Function
6 Oscilloscope Function
Main menu item Scope
The oscilloscope function is used for in-depth diagnosis of the CAN signals on the connected lines. The handling of the function is similar to a standard storage scope.
Course of a CAN signal sampled by the oscilloscope function
6.1
Properties of the Oscilloscope
Function
Two independent channels having a maximum sampling frequency of 20 MHz each
Memory depth can be set to up to 64 kSamples
Display of the CAN-High and the CAN-Low signal as well as the difference of both signals
Time measurement with a resolution of up to 50 ns
65
PCAN-Diag 2 – Oscilloscope Function
Inspection of external signals (with frequencies up to 1 MHz) with a probe via the BNC connection
Configuration of trigger to frame start, frame end, CAN errors,
CAN ID, or to signal edges for external signals
External measurement devices can be triggered using the BNC connector
Depiction of raw CAN frames
Decoding of CAN frames from the recorded signal course
Current view can be saved as bitmap screenshot
Saving sample data as CSV file
6.2
Elements of the Scope Screen
Actions (see the following manual sections)
CAN data decoded from the signal course
Displayed voltage range
(upper boundary)
Trigger position
Position bar for overview of the sample buffer (current view, trigger, measuring cursors)
Signal course measuring channel 1 (green)
Measuring cursors
C1 (yellow) and C2 (orange) for time period measurement
Signal course measuring channel 2 (white) us/div: grid resolution time axis (hor.)
V/div: grid resolution voltage axis (vert.) t=: time period from measurement C1/C2
66
PCAN-Diag 2 – Oscilloscope Function
6.3
Adjusting the View
Functions Zoom , Delay , and T=0
With the following functions the current view on the horizontal axis
(time axis) is adjusted.
Element
Zoom
Delay
T=0
Function
Zooming in or out horizontally. The reference point for zooming
(left, middle, right) can be set under Setting > Zoom .
Shifting the view horizontally. The indicator T= in the lower status bar shows the position of the view related to the trigger.
Aligns the view centered to the trigger position. The trigger position is always the origin of the time axis.
The position bar on the top of the scope screen gives an overview.
Green: current view
Red: position of the trigger T
Yellow/orange: measuring cursors C1 and C2
Brown: whole contents of the sample buffer
6.4
Adjusting the Trigger Level
Function Level
This function is only available if, for measuring channel 2, the display of external signals is enabled and the level triggering is set up:
Setting > Ch2 source > Probe (low) or Probe (high)
Setting > Trigger > Pos.edge Ch2 or Neg.edge Ch2
When selecting this function, the voltage level for triggering can be adjusted. This is done by moving the orange horizontal line.
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PCAN-Diag 2 – Oscilloscope Function
Note: The level triggering always refers to the measuring channel 2 (white signal course on the scope screen).
Adjustment of the trigger level (orange line)
If the current trigger level is above or below the viewable area of the
Y axis, this is indicated by an orange arrow.
Indication for trigger level outside the visible area
During measurement operation the currently set trigger level is indicated by an orange marker on the right screen border.
68
PCAN-Diag 2 – Oscilloscope Function
Indication of the trigger level on the right
6.5
Measuring a Time Period
Functions C1 and C2
A section of the time axis can be marked on the screen with the two cursors C1 and C2 (vertical lines) in order to measure a time period.
Do the following to measure a time period:
1.
If the menu entries C1 and C2 are not available (brown), activate the cursor display by setting Setting > Show vertical cursors to Yes .
2.
Select C1 and set the desired start point of the time period by dialing and finally pushing the button.
Tipp: You can measure a large time period with the highest possible time resolution by zooming in ( Zoom ) before positioning the cursor. Then the cursor can be positioned with a finer time resolution that will not be lost when zooming out afterwards.
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PCAN-Diag 2 – Oscilloscope Function
3.
Repeat the procedure with C2 in order to set the end point of the time period. This must be positioned to the right of the start point.
4.
In the lower status bar read the length of the time period from t= .
Time period measurement with cursors C1 and C2
6.6
Vertically Moving Curves
Functions Offs1 and Offs2
The vertical offset for the display of the signal courses of both measuring channels is either determined automatically ( Setting >
Auto offset > Yes ) or can be adjusted manually with Offs1 and
Offs2 . The vertical shifting is either done together or separately for the two measuring channels ( Setting > Separate offsets
Ch1/2 ).
Note: When adjusting manually with Offs1 or Offs2 , an activated auto-offset function is deactivated.
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PCAN-Diag 2 – Oscilloscope Function
6.7
Sampling Signals
Functions Single and Run / Stop
The sample buffer is filled with the signal course when a trigger event is recognized. To sample once , click on Single . Activate repeated sampling with Run . Stop the action with Stop .
You can select the trigger event to be used with Setting >
Trigger . Settings related to the sampling are adjusted with
Setting > Sample rate , Pretrigger , and Sample buffer size
. For more information about these settings, see section 6.10.8 on page 81 and following.
6.7.1
Decoding of the Signal Course
A CAN frame detected in the signal course is automatically decoded. The start of a CAN frame must lie in the current view. If several
CAN frames are shown, the first one is used.
The following information is displayed above the grid in white letters:
CAN ID (ID) data length in bytes (L) data in hexadecimal format or “RTR” (Remote Transmission
Request)
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PCAN-Diag 2 – Oscilloscope Function
Decoded signal course
Additionally to the data in the CAN frame, the segments of the CAN frame can be displayed with markers in the signal course: Setting
> Show decoded segments > Yes
Additional segment indication at decoding
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PCAN-Diag 2 – Oscilloscope Function
6.7.2
Decoding display
Red data
Empty
Fixing Decoding Problems
Meaning Possible measure(s)
Faulty CAN frame Set the device's CAN bitrate to the one on the connected CAN bus:
- Device Settings > CAN bitrate
- Device Settings > Detect CAN bitrate
No remote CAN node transmitting an acknowledge *
No CAN frame detected
- Running more than one active node on the CAN bus
- Running PCAN-Diag without listen-only mode
Shift the current view with Delay until the beginning of a CAN frame is shown.
* If frame segments are displayed at decoding, the “noack” error appears at the end of the frame.
6.8
Showing a Report about the Decoded CAN
Frame
Function Report
With this function you get an overview of the properties of a decoded CAN frame.
Report about a sampled CAN frame
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PCAN-Diag 2 – Oscilloscope Function
This function is not available if the scope trigger is in Run mode.
Click on Stop and, if required, once or several times on Single in order to sample the desired CAN frame on the scope screen.
Afterwards you can apply the Report function.
Property
CAN Frame
Description
Len
Data
Settings
ADC sample rate
CAN sample point
Bitrate
Measurement
Data/Stuff bits
Dom./Rec. bits
Bitrate
Data length in bytes
Data in hexadecimal format or “RTR” (Remote
Transmission Request)
Quotient of the set sample rate ( Setting > Sample rate ) and the bitrate ( Device Settings > CAN bitrate ). If the value is greater than 100, the sample rate is internally decreased until the value lies below 100.
Sample point within a bit in the CAN frame; results from the bit-timing register setting of the CAN controller
Bitrate; results from the bit-timing register setting of the
CAN controller
Number of payload bits and stuff bits in the whole CAN frame
Number of dominant and recessive bits in the whole CAN frame
Bitrate that was used by the transmitter of the CAN frame; percentage: deviation from bitrate set in the PCAN-Diag
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PCAN-Diag 2 – Oscilloscope Function
Property
ACK delay start
ACK delay end
Diff. level (dom.)
Description
Delays at the start and the end of the acknowledge sequence related to the nominal moments; percentage: delay related to a bit timing (depending on the bitrate).
About interpretation:
- The percentages should be well below that indicated at
“CAN sample point” (rules of thumb: 5 % for a few meters of CAN cable, maximum 50 %).
- Large differences between start and end do not necessarily point to a great distance of the CAN node whose ACK signal is most delayed. Rather, the slow processing of the CAN signals in the CAN node may be the cause.
Average voltage difference between CAN_H and CAN_L for dominant bits. As a guide: The nominal voltage difference for High-speed CAN is 2.0 V (3.5 - 1.5 V).
6.9
Configurable Function F1
Function F1
The scope function F1 can be assigned to one of the following functions: saving of the scope screen or/and the current sample buffer
control of the first transmit list (section 6.9.2)
The function is configured with Setting > Function key F1 .
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PCAN-Diag 2 – Oscilloscope Function
6.9.1
Saving the Scope Screen and the Sample
Buffer Contents
With the according configuration, F1 saves the screen contents as bitmap ( pict000.bmp
) or the current sample buffer as CSV file
( data000.csv
) to the internal memory card.
In addition, for each bitmap or CSV file a text file with information of the Report function is created ( report000.txt
). Prerequisite is a decoded CAN frame on the scope screen. Information about the
Report function: section 6.8 on page 73.
Note: The saving can take several seconds.
On the memory card the files are written to the directory of the active project ( Projects > <project name> ) and can be read later from a connected PC via USB. Get the name of the active project from the lower status bar in the main menu.
Note: As long as a USB connection to a PC is established, screenshots and sample buffer contents cannot be saved with the F1 function.
Structure of the CSV File
A CSV file contains the sample data line by line in text format. As separator the semicolon (;) is used. For further use the file can be taken into an arbitrary spread sheet, for example.
Row
1
3 - 4
5
6 - 7
8 - 9
10
Contents
Device name and firmware version
Signal source measuring channels 1 and 2
Number of samples
Voltage scale measuring channels 1 and 2
Voltage offset measuring channels 1 and 2
Time scale samples values [s]
Structure string string string name;count name;value name;value name;value
76
PCAN-Diag 2 – Oscilloscope Function
Row
11
12
Contents
Time offset samples values [s]
Column name for the following sample values
Structure name;value name;name;name name;value number;value;value
Calculations for a sample value (in brackets: row):
Time:
Time(14+) * Timebase(10) + Time Offset(11)
Voltage, for measuring channels 1 and 2 each:
Channel(14+) * Scale Channel(6/7) + Offset Channel(8/9)
6.9.2
Controlling the First Transmit List
With the according configuration, F1 controls the first transmit list
(Tx1) being defined in the transmit list management ( CAN Data >
Manage Transmit Lists ). The transmission behavior depends on the cycle time being greater than 0 or not.
Cycle time of Tx1
> 0
= 0
Action with F1
The cyclic transmission of Tx1 is started or stopped.
Tx1 is transmitted once.
The transmit list must be activated in the transmit list management
(top entry), so it can be transmitted.
77
PCAN-Diag 2 – Oscilloscope Function
6.10
Settings for the Oscilloscope Function
Menu item Scope > Setting
6.10.1
Ch1 source
Selection of the signal source for the display of measuring channel 1 (green course).
Note: The selection is depending on the CAN transceiver that is integrated in the PCAN-Diag.
Setting
CAN-H
CAN-SW(low)
CAN-SW(high)
Off
Description
CAN_High signal from the D-Sub connector (High-speed CAN,
Low-speed CAN)
Single-wire CAN signal from the D-Sub connector.
The view can be adjusted according to the operating mode:
- low: normal or high-speed mode
- high: wake-up mode (higher voltage swing)
Measuring channel 1 (green course) is not shown
78
PCAN-Diag 2 – Oscilloscope Function
6.10.2
Ch2 source
Selection of the signal source for the display of measuring channel 2 (white course).
Note: The selection is depending on the CAN transceiver that is integrated in the PCAN-Diag.
Setting
CAN-L
CAN-L CAN-Diff
CAN-Diff
Description
CAN_Low signal from the D-Sub connector (High-speed CAN,
Low-speed CAN)
Probe (low) External signal from the BNC connector, voltage range -3 to +15 V
Probe (high) External signal from the BNC connector, voltage range -10 to +50 V
Difference of CAN_High and CAN_Low (High-speed CAN,
Low-speed CAN); display as blue course on the scope screen, either in addition to the CAN_Low signal or alone
Display of the difference of CAN_High and CAN_Low with indicator for the zero line (marker)
Measuring channel 2 (white course) is not shown Off
Attention!
The voltage of an external signal may have a maximum of ±50 V . Higher voltages can lead to a defect of the device.
Depending on this setting the BNC connection is either used as
trigger output or as signal input. More information in chapter 10 on page 95.
79
PCAN-Diag 2 – Oscilloscope Function
6.10.3
Trigger
Selection of the event that triggers the sampling of the signals
(trigger event).
Setting Description
FrameStart
FrameEnd pos.edge Ch2 neg.edge Ch2
Start of a recognized CAN frame
End of a recognized CAN frame
Free-running Free-running sampling without trigger; the sample buffer is filled repeatedly.
CAN ID
CAN Error
CAN frame with the CAN ID being indicated in
the following setting (item 6.10.4)
A faulty CAN frame
Rising or falling edge at the BNC connector. The trigger level is adjusted with Level on the scope screen.
Trigger source
CAN
CAN
Independent
CAN
CAN
External
Note: Triggering runs independently from the setting of the signal source for the two measuring channels ( Ch1 source ,
Ch2 source ). For example, edge triggering can be done at the
BNC connector although both channels on the scope screen display CAN signals.
6.10.4
If Trigger = CAN ID
If CAN ID is selected as trigger event, the CAN ID indicated here is used. Via set CAN ID you get to the corresponding settings.
Setting Description
Frame format Length of the CAN ID (11 bit or 29 bit)
Frame type Data frame or remote frame (RTR)
CAN ID Enter the CAN ID in hexadecimal format
80
PCAN-Diag 2 – Oscilloscope Function
6.10.5
Auto offset
Setting
Yes
No
Description
Automatic vertical offset for the measuring channels 1 and 2
Manual adjustment of the offset on the scope screen with
Offs1 and Offs2
Note: When adjusting manually with Offs1 or Offs2 , an activated auto-offset function is deactivated.
6.10.6
Separate offsets Ch1/2
Setting
Yes
No
Description
Separate vertical offsets for the measuring channels 1 and 2
Common offset for both measuring channels. The manual adjustment on the scope screen is done with Offs1 for both measuring channels. Offs2 is not available.
6.10.7
Show vertical cursors
Activates cursors for measurement of a time period. The cursors are moved on the scope screen with C1 and C2 .
6.10.8
Sample rate
Sets the oscilloscope's sample rate for both measuring channels.
Lower sample rates than 20 MS/s may be useful if you want to monitor a broader signal course. However, the resolution also decreases.
6.10.9
Pretrigger
A part of the signal course is shown before the trigger point. The percentage indicates the part of the whole course. Possible ratios:
10:90, 50:50, 90:10
81
PCAN-Diag 2 – Oscilloscope Function
6.10.10
Sample buffer size
Changes the buffer size and with this the sampling time. Smaller buffer sizes are useful for a faster repetition of the sampling run.
The sampling time results from the quotient of the sample buffer size and the sample rate.
Example: 64 kSamples / 20 MS/s = 3.2 ms
6.10.11
Zoom
Selects the fixpoint for zooming: left border, right border, or center.
6.10.12
Show decoded segments
Determines the type of display on the scope screen for CAN data being decoded from the signal course.
Setting
No
Description
The scope screen only shows the data of the decoded CAN frame above the grid.
82
PCAN-Diag 2 – Oscilloscope Function
Setting
Yes
Description
In addition to the data of the CAN frame, the segments of the
CAN frame are displayed with markers in the signal course.
Segment label
Designation in the CAN specification 2.0
| (purple) SOF bit id dlc
Arbitration field
Control field d0 - d7 crc ack eof
ERROR
Data field
CRC field
ACK field
EOF field
Error flag
Description
Frame start (dominant bit)
CAN ID and RTR bit
Data length in bytes
Data bytes
Check sum
Reception control
Frame end (7 recessive bits)
Error frame
6.10.13
Trigger output delay
The internal trigger signal is also available externally on the BNC connector (not with Ch2 source = Probe (low) , Probe (high) ).
Due to technical reasons the output is delayed. The delay time is indicated here.
You can find details about the delay in section 10.1 on page 96.
Trigger Output
83
PCAN-Diag 2 – Oscilloscope Function
6.10.14
Function key F1
Determines the action when F1 is selected on the scope screen:
Setting
Save BMP
Save data
Save BMP&data
Tx1
Description
A bitmap screenshot of the scope screen is saved on the internal memory card (file name: pict000.bmp
with consecutive numbers).
The contents of the sample buffer is saved to the internal memory card in CSV format (file name: data000.csv
with consecutive numbers).
A screenshot as well as the contents of the sample buffer are saved to the internal memory card. Both file names get the same number.
The first transmit list that is defined under CAN Data >
Manage Transmit Lists can be started, stopped, or transmitted once (latter if the cycle time is 0).
Access to files that were created by the Save commands is achieved
from a PC via a USB connection. See chapter 11 on page 99.
84
PCAN-Diag 2 – Configuring the Device with Projects
7 Configuring the Device with
Projects
Main menu item Projects
With projects the PCAN-Diag can quickly be adapted to different applications.
A project contains the following elements:
Project element
Device settings
Oscilloscope settings
Display settings for the D-Sub measurement
CAN transmit lists
Symbol files
Alternative splash screen Intro.bmp
Assigned area in the PCAN-Diag
Device Settings
Scope > Setting
Measurements > D-Sub Connector >
Settings
CAN Data > Manage Transmit Lists
CAN Data > Manage Symbol Files
Shown when device is started
Using projects:
Projects are created and altered on a PC with the provided
Windows software PCAN-Diag Editor and then are transferred to the internal memory card of the PCAN-Diag.
Any number of projects can be saved to the internal memory card.
During work with the PCAN-Diag a project can be loaded from the internal memory card.
If a new version of the active project is available on the internal memory card, the project is automatically loaded during startup of the PCAN-Diag.
85
PCAN-Diag 2 – Configuring the Device with Projects
Device-internal changes of the settings or of CAN transmit lists do not alter the affiliated project on the internal memory card.
Load Project
A project is selected from the internal memory card; the project's elements are loaded into the PCAN-Diag. Click on the name of the desired project in order to load it.
Note: When loading a project from the memory card, all current settings, transmit lists, and symbol files in the PCAN-Diag are overwritten.
The Default project contains basic settings for the PCAN-Diag.
Project
Shows the name of the active project. The active project is also indicated in the main menu.
At startup the PCAN-Diag checks if the project file on the internal memory card with the same name is newer than the initially loaded version. An updated project is automatically loaded.
Status
Indication Description no local modifications No permanent changes have been made in the loaded project. local modifications One of the project elements listed above has been changed and saved permanently with Save&OK .
These changes do not alter the affiliated project on the internal memory card.
If you want to restore the initial project properties, reload the project with Load Project .
86
PCAN-Diag 2 – Configuring the Device with Projects
7.1
Creating and Loading a Project
The procedure from creation of a project to the use in the PCAN-
Diag is divided into three phases:
Creating a project on a PC with the Windows program PCAN-
Diag Editor.
Transferring the project to the internal memory card of the
PCAN-Diag via USB connection.
Loading the project in the PCAN-Diag.
Do the following to create a project:
1.
On the PC, start the PCAN-Diag Editor ( PcanDiagEdt.exe
).
You can find the program, for example, on the supplied DVD in the following directory:
/Tools/PCAN-Diag/PCAN-DiagV2/Tools/
The elements of a project are listed on the tabs.
87
PCAN-Diag 2 – Configuring the Device with Projects
2.
Adjust the settings for your application on the tabs Device
Settings , Scope Settings , and D-Sub Connector .
3.
If needed, create one or more CAN Transmit Lists on the corresponding tab. The left panel contains the transmit lists, the right panel the CAN messages of a transmit list. Add new entries with the plus button beneath each panel.
4.
On the Symbols tab, select the symbol files for the project.
For adding use the plus button.
88
PCAN-Diag 2 – Configuring the Device with Projects
5.
Select the display type of multiplexers at the added symbol file, Target format column:
Common Multiplexer : one list with all variables
Separate Multiplexer : each multiplexer definition saparately
6.
Save the created project on a data carrier with the Save button .
The given file name is from now on used as project name.
Do the following to transfer the project to the PCAN-Diag:
1.
Connect the PCAN-Diag to the PC with the provided USB cable. The PCAN-Diag does not need to be switched on.
The Transfer to button in the PCAN-Diag Editor is not dimmed anymore but blue indicating the possibility for transfer. A text note in the lower Output panel indicates that the PCAN-Diag has been recognized.
89
PCAN-Diag 2 – Configuring the Device with Projects
2.
Click on Transfer to and check the PCAN-Diag device in the dialog box Select Devices .
Tip: You can transfer the same configuration to several PCAN-
Diag devices at the same time if those are connected to the PC.
Select all devices with Select All .
90
PCAN-Diag 2 – Configuring the Device with Projects
3.
Click on OK .
The project file ( *.dpf
) and the affiliated symbol files
( *.sym
, *.syb
) are transferred to the PCAN-Diag (progress indicator Transfer data ). The used directory on the internal memory card is /PCAN-Diag/Projects/<project name> .
4.
Disconnect the USB connection between the PC and the
PCAN-Diag.
Do the following to load the project in the PCAN-Diag:
1.
In the PCAN-Diag select Projects > Load Project .
A list with projects available on the internal memory card is shown.
2.
Click on the project that has been transferred before.
The project is now loaded and is shown as active project.
The active project is also indicated in the main menu.
Tip: You can get further information about the use of the PCAN-
Diag Editor in the program's help which is invoked via the Help button or the F1 key.
91
PCAN-Diag 2 – Configuring the Device with Projects
7.2
Integrating an Alternative Splash
Screen
Each project can have an alternative splash screen in order to clarify already at startup which project is active. A bitmap file must be put into the corresponding project directory on the internal memory card. If it does not exist, the default splash screen is shown (Default project).
Properties of the splash screen
File name Intro.bmp
Storage path on the internal memory card
/PCAN-Diag/Projects/<project name>/
Resolution
Color depth
320 x 240 pixels
24 bit
Do the following to integrate an alternative splash screen:
1.
On a PC create a bitmap file with the key features from the table.
2.
Establish a USB connection between the PC and the PCAN-
Diag.
In the PC the PCAN-Diag is handled as mass storage device.
3.
Copy the created file Intro.bmp
into the desired project directory (see table).
4.
Disconnect the USB connection.
92
PCAN-Diag 2 – Maintenance Functions for the Device
8 Maintenance Functions for the Device
Main menu item Internal Statistics
The page gives an overview about the device's internals. The specifications are usually used for support purposes.
Furthermore, hardware functions are available for maintenance of the device. They are described briefly in the following.
Important note: Misapplication of these functions can lead to the unavailability of the device. Use the functions only on request of PEAK-System's technical support.
Update Firmware
Firmware updates ( *.bin
) can be placed in the /PCAN-Diag/
Firmware/ directory on the internal memory card. With the update function a file is selected. Thereupon the update procedure is starting.
Note: If your PCAN-Diag has a firmware version up to 1.7.x and you want to update to version 1.8.1 or higher, you have to install firmware version 1.8.0
first as intermediate step.
Factory Defaults
All settings are reset to their default states defined by the current firmware.
Bootloader
Starts the boot loader for a firmware update via CAN. The screen also shows the serial number of the PCAN-Diag.
93
PCAN-Diag 2 – Browsing the Internal Memory Card
9 Browsing the Internal
Memory Card
Main menu item Memory Card
The PCAN-Diag has functions to show directories and bitmaps from the internal memory card.
Note: The PCAN-Diag cannot access the memory card as long as a USB connection to a PC is established.
Show Directory
Shows the directories on the memory card in order to see which files exist.
An overview of files that are used or created by the PCAN-Diag is
located in chapter 11.4 on page 101.
View Bitmap
Only bitmap files ( *.bmp
) are shown in the directories (e.g. screenshots from the scope screen which have been created with the F1 function).
Click on a bitmap to view it; click again to leave the bitmap view.
94
PCAN-Diag 2 – BNC Connector
10 BNC Connector
BNC connector on the rear of the device
The BNC connector is used in the oscilloscope function. The function of the BNC connector depends on the setting for measuring channel 2 ( Scope > Setting > Ch2 source ).
Setting Ch2
Probe (low)
Probe (high)
Function BNC
Off
CAN-L
CAN-L CAN-Diff
Trigger output
CAN-Diff
Input for an external signal for inspection and trigger purposes
Description in section
Attention!
The voltage of an external signal may have a maximum of ±50 V . Higher voltages can lead to a defect of the device.
95
PCAN-Diag 2 – BNC Connector
10.1
Trigger Output
Other measuring devices or oscilloscopes, e.g. not capable of CANspecific measurements, can pick off a trigger signal that is evoked by the internal oscilloscope function of the PCAN-Diag.
The trigger output is active if the measuring channel 2 (Ch2) of the oscilloscope function is set to the CAN input:
Scope > Setting > Ch2 source > CAN-L / CAN-L CAN-Diff /
CAN-Diff
When a trigger event occurs in the oscilloscope function, a trigger signal is output on the BNC connector with the following properties:
Trigger output
Idle state
Trigger event
Pulse duration
Delay to the internal trigger
+3.3 V
0 V (falling edge)
4 CAN bit timings, actual duration depending on the set
CAN bitrate
(at 500 kbit/s: 4 * 2 μ s = 8 μ s)
140 CAN bit timings, actual duration depending on the set
CAN bitrate; is displayed in the scope settings at
Scope > Setting > Trigger output delay
Course of the trigger signal, 20 μ s/div
96
PCAN-Diag 2 – BNC Connector
10.2
External Signal
Instead of the CAN signal CAN_Low, the measuring channel 2 (Ch2) of the oscilloscope function can sample an external signal for inspection and trigger purposes coming from the BNC connector.
Attention!
The voltage of an external signal may have a maximum of ±50 V . Higher voltages can lead to a defect of the device.
The BNC connector is used as input if measuring channel 2 (Ch2) of the oscilloscope function is set as follows:
Scope > Settings > Ch2 source >
Setting
Probe (low)
Measuring range Maximum frequency
-3 - +15 V
1 MHz
Probe (high) -10 - +50 V
In addition the external signal is used as trigger if the triggering of the oscilloscope function is set as follows:
Scope > Settings > Trigger >
Setting Triggering pos. edge Ch2 rising edge neg. edge Ch2 falling edge
10.2.1
Probe
A probe can be used for the external signal (not in the scope of supply). Suitable is a standard probe without additional electronics which is operated with setting x1. The x10 setting is not supported.
97
PCAN-Diag 2 – BNC Connector
10.3
Ground Socket
In order to establish a separate voltage ground connection between the PCAN-Diag and the measuring object, a ground socket (4 mm) is provided.
GND socket (4 mm) on the rear of the device
98
PCAN-Diag 2 – USB Connection with a PC
11 USB Connection with a PC
A USB connection to a PC is used for access to the internal memory card of the PCAN-Diag. The PC's operating system binds the memory card into the file management, e.g. under Windows as mass storage device.
Internal memory card
Size
File system
Name of the USB device at least 1 GByte
FAT32
PCAN-DIAG
The memory card can also be accessed if the PCAN-Diag is switched off. At startup of the device, the USB connection is briefly interrupted.
11.1
Unplugging the USB Connection
Before unplugging the USB cable from the PC or the PCAN-Diag, the device should be logged out of the operating system. This procedure ensures that the operating system has correctly finished a write process to the internal memory card of the PCAN-Diag.
Windows: Safely remove hardware icon in the taskbar notification area
99
PCAN-Diag 2 – USB Connection with a PC
11.2
Purposes of the USB connection
Transferring projects onto the memory card of the PCAN-Diag with the provided Windows program PCAN-Diag Editor
Creating and Loading a Project
Access to the trace, bitmap, or CSV files created by the PCAN-
Diag
Storing an alternative splash screen in a project directory
Integrating an Alternative Splash Screen
Placing a *.bin
file for a firmware update into the directory
/PCAN-Diag/Firmware/
Storage space at your disposal
11.3
Restriction for Diag Functions
During a USB connection to a PC some functions of the PCAN-Diag are limited, because the device cannot access the internal memory card at the same time as the connected PC:
At startup no splash screen is shown.
A project cannot be loaded.
A symbol file cannot be loaded.
At startup the active project cannot be checked for an update.
The recording and playback of CAN traffic (trace) do not work.
The commands in the Memory Card menu do not work.
On the scope screen the F1 function for saving screenshots and/or sample buffer data cannot be used.
The bus load diagram cannot be saved as bitmap.
Help texts are not shown.
100
PCAN-Diag 2 – USB Connection with a PC
11.4
PCAN-Diag Files on the Internal Memory
Card
Directory - file
/PCAN-Diag/
Projects/<project name>/
*.dpf
*.sym
*.syb
Intro.bmp pict000.bmp data000.csv report000.txt trc00000.btr
Filter.flt
Help/*.dhp
Function
Fixed storage branch for files that are accessed by the PCAN-Diag or that are related to the device
Projects; a subdirectory with the project name for each project; Default: project with default settings
Project file; is created with the supplied Windows program PCAN-Diag Editor; a file contains:
- settings
- CAN transmit lists
- links to symbol files
Symbol file in text format; can be created with the supplied Windows program PCAN Symbol Editor
Symbol file in binary format; affiliated to the
*.sym
file with the same name; used by the PCAN-
Diag for symbolic representation
Splash screen at startup of the device (320 x 240 pixels)
Screenshots of the scope screen and of the bus load diagram; consecutive numbering by the internal counter
Data from the sample buffer; CSV format, used e.g. in spreadsheets; consecutive numbering by the internal counter
Information of the Report function; is created automatically with each screenshot or sample buffer extract; consecutive numbering by the internal counter
Binary-coded trace data from the recording function, usable for playback or otherwise after conversion on the PC; consecutive numbering by the internal counter
CAN ID filter definition for tracing (text file)
Files with the device help
101
PCAN-Diag 2 – USB Connection with a PC
Directory - file
Tools/
PcanDiagEdt.exe
PcanSEdt.exe
PEAK-Converter.exe
Firmware/*.bin
Documentation/
Function
Software tools to be used with the PCAN-Diag (the following only lists the executables)
Windows program PCAN-Diag Editor for creating projects
Windows program PCAN Symbol Editor for creating symbol files
Windows program PEAK-Converter for converting of a recorded binary trace file ( *.btr
) to another format
File(s) for updating the firmware
Documentation about the PCAN-Diag, e.g. this manual
The PCAN-Diag is operational even without the directory branch
/PCAN-Diag/ on the internal memory card. However, no splash screen and no help texts are displayed. Furthermore, saving of screenshots, of data from the sample buffer, or of traces is not possible.
Tip: If the directory branch /PCAN-Diag/ is missing on the internal memory card, you can copy it from the supplied DVD:
/Tools/PCAN-Diag/PCAN-DiagV2/
Alternatively, a ZIP package is available for download from the support area of our website: www.peak-system.com
102
PCAN-Diag 2 – Technical Specifications
12 Technical Specifications
Power supply
Supply voltage
Current consumption
Voltage auxiliary supply for
CAN transceiver (D-
Sub, pin 9)
Externally via supply socket:
12 V DC nominal, 8 - 50 V possible
Internally with 4 (rechargeable) batteries (size AA):
4 x 1.5 V or 4 x 1.2 V DC
Note: The device does not charge inserted rechargeable batteries.
External supply:
8 V (min.):
12 V (nom.):
32 V:
300 mA
200 mA
83 mA
Operation with batteries:
5 V: 400 mA
High-speed CAN: no auxiliary supply
Low-speed CAN: 5 - 27 V DC
Single-wire CAN: 6 - 18 V DC
D-Sub connector
Number of pins
Measurement
9
Voltage measurement at each pin for verification purposes
CAN
Standard transceiver
Other transceivers
(on request)
Termination
High-speed CAN ISO 11898-2 (PCA82C251)
Low-speed CAN ISO 11898-3 (TJA1055)
Single-wire CAN SAE J2411 (TH8056)
High-speed CAN (ISO 11898-2):
124 between CAN_L and CAN_H, switchable
Low-speed CAN (ISO 11898-3):
1.1 k or 4.7 k , for CAN_L and CAN_H
Single-wire CAN (SAE J2411):
2.1 k or 9.1 k , bus load resistor
103
PCAN-Diag 2 – Technical Specifications
BNC connector
Functions Trigger output or signal input
Trigger output
Voltage idle state
Voltage trigger event
+3.3 V
0 V (falling edge)
Pulse duration 4 CAN bit timings, actual duration depending on the set CAN bitrate
(at 500 kbit/s: 4 * 2 μ s = 8 μ s)
Delay to the internal trigger 140 CAN bit timings, actual duration depending on the set CAN bitrate; is displayed in the scope settings
Signal input
Use
Input voltage ranges
Maximum input voltage
Maximum frequency input signal
Probe usage
Oscilloscope function, measuring channel 2 (Ch2), for inspection of signals
-3 - +15 V (low)
-10 - +50 V (high)
±50 V
1 MHz
Standard probe without additional electronics
(not in the scope of supply)
Setting x1
Oscilloscope function
Measuring channels
Sampling frequency
Capacity sample buffer
Trigger types
Pretrigger
Resolution time measurement
CAN-specific functions
Data transfer
1: CAN_H
2: CAN_L or BNC connector (max. 1 MHz) max. 20 MS/s per measuring channel max. 64,000 samples
CAN frame start/end, CAN ID, CAN error, rising/falling edge measuring channel 2; alternatively free-run mode
10 %, 50 %, 90 %
50 ns (depending on zoom)
Decoding of the recorded signal course
Screenshot of the current scope screen
Contents of the sample buffer as CSV file
104
PCAN-Diag 2 – Technical Specifications
Internal memory card
Size
File system
Name of the USB device at least 1 GByte
FAT32
PCAN-DIAG
Display
Type TFT
Resolution 320 x 240 pixels
Measures
Size
Weight
103 x 58 x 212 (225 with BNC connector) mm
(W x H x L)
See also dimension drawing Appendix B on page
400 g (without batteries)
Environment
Operating temperature
Temperature for storage and transport
Relative humidity
Ingress protection
(IEC 60529)
Conformity
0 - +50 °C (+32 - +122 °F)
-40 - +80 °C (-40 - +176 °F)
15 - 90 %, not condensing
IP20
RoHS 2
DIN EN 61326-1:2017-07
Directive 2011/65/EU
DIN EN 50581 VDE 0042-12:2013-02
105
PCAN-Diag 2 – Appendix
Appendix A CE Certificate
106
PCAN-Diag 2 – Appendix
Appendix B Dimension Drawing
The figure does not show the original size; dimensions for case without rubber sleeve
107
PCAN-Diag 2 – Appendix
Appendix C Disposal Information (Batteries)
The device and the batteries it contains must not be disposed of with household waste. Remove the batteries from the device for proper separate disposal.
The PCAN-Diag 2 contains the following batteries:
4 (rechargeable) batteries, size AA, 4 x 1.5 V or 4 x 1.2 V
108
PCAN-Diag 2 – Appendix
Appendix D Index
A
B
ACK signal
Acoustic feedback
Chimes
CAN traffic
Chimes
Batteries
indicator for remaining capacity 20
Beeper
Chimes
Bitrate
determine automatically set up user-defined
Counter for file names
CSV file
Button
C
D
CAN
D-Sub connector
CAN frame
CAN messages
E
External Signal
109
PCAN-Diag 2 – Appendix
F O
File names
Filter for CAN IDs (at recording
Filter.flt
vertical, for curve display 70
Oscilloscope function
G
Ground
disconnect at CAN connector 27
Observation mode
Offset
P
I
Internal Statistics (menu item)
Interval measurement signal course
PCAN-Diag Editor
L
Listen-only mode
Low-speed CAN
Project
M
Manage Symbol Files (menu item) 34
Manage Transmit Lists (menu item)49
Push button
Measuring channels
Memory card
Rechargeable batteries
Receive Messages (menu item) 29
Receive Msgs. as Symbols (menu
insert 16 recharge (externally)
110
PCAN-Diag 2 – Appendix
Reset of the CAN controller
S
Thresholds for D-Sub measurement
Sample buffer
Sample rate
Time measurement signal course 69
Trace
64
Screen
Screenshot
Settings
Signal
Transceiver
Transfer rate
Transmit list creation
Bitrate
Transmit Messages (menu item) 47
Trigger
display of measuring channels 66
Signal course
U
Single-wire CAN USB
USB connection
Supply
V
Switch interlock for push dial
W
Wake-up mode (Single-wire CAN) 26
T
Z
111
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