Automatic quick test

Bus status

Bus errors

Bus voltages

Ground shift

CAN levels Difference

CAN levels absolute

Bus wiring test

Measurement of all nodes

GEMAC CANtouch node measurement app logical oscilloscope

Measurement of single node

Online trigger

Protocol monitor

License model with trial mode

High-quality optional accessories

Import of measured values into PC software

Intuitive operation

Battery powered

Rating system with traffic light colors

Additional measurement features

Further development of the CAN-Bus Tester 2

Startup Operations

Ensure the functionality of your new bus system.

Trouble Shooting

Bring your system in an error condition back to live quickly.

Maintenance

Finish off pending service work efficient and exact.

Possibilities

The CANtouch is a mobile measuring device for CAN-based bus systems.

The further development of the CAN-Bus Tester 2 is battery-powered and equipped with a touch display. Its intuitive user interface allows extensive measurements to be taken in the shortest possible time. The results can be archived for documentation or later analysis and further processed on the PC.

The physical layer measurements have been extended to include the direct determination of potential differences between the participants (common mode/ground shift).

With the online trigger, you can monitor the bus for individual physical limits, determine problems over time and make errors visible in the oscillogram.

The protocol monitor is used for sending, receiving, decoding, and recording messages.

Bus Systems

Physical Measurements

CAN power supply voltage (with time curve)
Shield voltage (with time curve)
Common mode voltage (with chart)
CAN level difference
CAN level absolute
Bus wiring

For every node within the bus can be determined additionally

General quality level (with min/max evaluation)
Edge steepness
Disturbance free voltage range
Oscillogram display of the messages
Logical decoded display of the messages

Protocol Analysis

Licence Model

Software License Model

The big range of functions is not often needed in whole. To set the device to an attractive price worthy level, a license model was established. The not included functions can be tested in a 30 day trial time. At this time, there are no functional limitations. To get a function unlocked forever, a license has to be purchased.

So you are deciding on your own which functions are needed in your case and what is worthy of investing in.

Even the hardware doesn’t have to be purchased completely. The basic set comes without a service case and adapter set.

Device Philosophy

The CANtouch is a battery-operated handheld diagnosis device for physical and logical CAN bus analysis. With its modern touch control, it allows intuitive and efficient handling without an additional computer.

As further development of the CAN-Bus Tester 2, it has not only its functionality; it has new additional measurements as well. An easier valuation procedure with traffic light colors and smileys supports your work with a quick valuation of the measures.

With the possibility for future updates, you are equipped for further enhancement. New functionality can be unlocked by purchasing additional licenses. In addition, we provide new software within the scope of product maintenance, which can be downloaded free of charge by every owner of a CANtouch. Many new functions are made available free of charge.

The integrated battery supplies power to the device without a problem for a whole intense measurement day. It is monitored by a special charge controller that calculates the remaining time and residual charge. If all that is not enough – the device is charged up to 80% in only one hour regardless of whether you are measuring at that time or not.

The rubberized aluminum continuous casting body is not only impressing high quality, but it is also extremely robust.

Rating System

The rating system shows at a glance whether your values are good or bad.
With traffic light colors red, yellow, and green plus a display as smiley, you gather rapidly how your system is doing today.
By clicking on the smiley, it shows the basis of valuation.
You can set the threshold values via an XML file to make individual specifications for the evaluation. You have always loaded the appropriate rating file for your system after a one-time setup through the project management.

Bus Settings

After selecting the right bus system, you have more options for choice. The device is searching for the correct baud rate, but it is also possible to choose one by hand. Beyond that, you can change the bit timing, which is essential for systems that are not running on CiA standards.
Besides this, you should choose the right ground reference point, whether the external ground connection or CAN_V- which is connected to pin 6 of the 9-pin sup D socket.
Your settings for the CAN bus are saved project-related.

Control Center

Other Settings

The settings menu includes the following items:

Device information
Firmware management, battery status, memory usage, licenses, manufacturer information
Device settings
Language, brightness, switch-off delay, time
Project management
Creating, deleting, and naming projects
Project-related bus settings
Project-related screenshots
Project-related rating settings
A possibility to reset the device to factory settings.

Archive Measurements

You can store the measurements of single nodes and the results measured by the apps Bus Wiring and Online Trigger in an archive file in a folder of the device’s flash drive. So they can be opened and analyzed later on by the device itself or a computer. You need the CAN-Bus Tester 2 user software, which is freely downloadable on this website for importing to the computer.

Besides that, you can save screenshots for documentation of all other measurements. More about that in the next menu item.

Screenshots

The CANtouch can save up to 100 screenshots per project.
Simultaneously pressing the buttons “Power” and “Home,” another screenshot is made and saved to the flash drive. You can also access this function via the control center. If you reach the maximum number of screenshots, the device will delete the oldest.
With this feature, you can report the device’s functions and all measurements. The png-format files can be opened or imported into many software and documents.

Help

Technical Data

General parameters and overview of functions
Languages:	German, Englisch
Bus systems:	CAN (ISO11898-2), CANopen (CiA301), DeviceNet (EN 50325-2), SAE J1939
Bit sampling :	64-fold, 10240 sampling points
Bit timing:	Adjustable BTL cycles (tq), sample point and resynchronization jump width (SJW)
Supported baud rates	Depending on bus system: 10; 20; 50; 100; 125; 250; 500; 800; 1000 kbit/s
	Additionally user-defined: 5; 33.3; 62.5; 75; 83.3; 200 kbit/s
	Automatic detection via baud rate scan, bit timing adjustable
Bus status	Bus traffic detection (display: dominant, recessive, not defined, bus traffic)
	Display of the Bus traffic load (0 … 100 %)
	characteristic, minimum and maximum value saving
Bus errors	Display of detected frame errors
	Distinction between active and passive error frames (0 … >50,000), trend chart
Bus voltages	Display of the optional CAN supply voltage and shield voltage
	Characteristic, minimum and maximum value saving
Common mode voltage	Acquisition of the maximum voltage offset between the individual bus nodes
CAN level (absolute / differential)	Acquisition and evaluation of the differential and absolute CAN levels of all bus nodes during operation
Node measurement	Node related measurements
	Quality value (signal quality), Disturbance-free voltage range, Edge steepness (falling and rising) and Oscilloscope display with message frame analysis
Online Trigger	Error analysis with adjustable values, variable time slices and trigger function
Protocol monitor	Send and receive of CAN messages

Electrical parameters
Power supply and battery*	Integrated, rechargeable lithium-ion battery External power input: SELV d.c. voltage 14 V, internal fused with 2.5 A Operating with the supplied 35 W wide-range power supply unit only (SAW-14.0-2500) Times-to-empty: Standby: up to 500 hours Use: up to 36 hours Measuring: up to 6 hours Charge times: Quick charge to 80% in approx. 1 h Full charge in approx. 2 h
Potential difference between the CAN bus and USB connections	< 500 V AC
Voltage between any two terminals of the CAN connection or external ground, resp.	< ±30 V DC

Measurements	Range	Resolution	Accuracy (typ.)
Quality value	0,0 % … 100,0 %	0,1 %	–
Edge steepness	0/64 … 64/64	1/64	–
Disturbance-free voltage range	-0,75 V … +3,25 V	0,05 V	1,90 % ±100 mV
Measuring of the differential voltage	-0,75 V … +3,25 V	0,01 V	0,50 % ±10 mV (calibrated)
Measuring of the absolute voltage	-5,00 V … +10,00 V	0,05 V	0,50 % ±50 mV (calibrated)
Measuring of the shield voltage	-10,0 V … +1,0 V	0,1 V	0,25 % ±100 mV (calibrated)
Measuring of the CAN supply voltage	0.0 V … 32,0 V	0,1 V	0,25 % ±100 mV (calibrated)
Measuring of the loop resistances	0 Ω … 100 Ω 100 Ω … 1000 Ω	0,1 Ω 1,0 Ω	0,85 % ±0,2 Ω 0,85 % ±2,0 Ω
Measuring of the cable length	2 m … 1000 m	1 m	5 % ±2 m (signal propagation delay: 4.5 ns/m)

Mechanical parameters
Power supply unit connection	Extra-low voltage socket
CAN connection	9-pin D-Sub connector
PC connection	Self-powered device to USB Specification 2.0, full speed, in addition, electrically isolated Connection of a drive for exchange of measuring data (USB mass storage device)
Housing	Aluminum housing, cover glass
Ambient conditions	Operation temperature: 5 °C … 40 °C Storage temperature: -20 °C … 60 °C Atmospheric humidity: 20 % … 80 %, non-condensing
Degree of protection of the housing	IP20 to EN 60529
Dimensions	186 mm x 102 mm x 37 mm
Weight	Approx. 860 g

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Measurements in detail

Automatic Quick Test

This function provides an immediate overview of the status of all measured values that the CANtouch can determine on the CAN bus. For this purpose, the used baud rate is automatically detected and a continuous measurement starts. The evaluation of all measurement results of the six free apps is done by a smiley. Even an evaluation of the quality levels of all bus participants is carried out continuously, even if no license for the measurement has been acquired. The smiley represents the worst measurement result of the last measuring cycle. With one click you can start the corresponding measurement to start a troubleshooting.

If this test is carried out with good results, a faultless bus can be assumed in many cases. This also enables less specially trained personnel to be able to exclude or identify a faulty CAN bus.

Bus status, errors, voltages

Measurement	Icon	Screenshot	Description
Bus status			Beside the statement of a principally running bus, this means there is a level change is detected, a quick statement can be given about the bus traffic load with min/max and a symbolic smiley. A diagram shows the value in a time curve.
Bus errors			Here it counts the active and passive error frames on the bus. Minimum per second, actual value per second and maximum per second and a total counter are shown. A diagram shows the time curve for this measurement. The smiley let you know in the blink of an eye.
Bus voltages			The optional CAN power supply voltage and the shielding voltage are measured and displayed in a time curve.

Common mode voltage, level difference and absolute levels

Measurement	Icon	Screenshot	Description
Common mode voltage			This measurement shows potential differences between the nodes of the bus. To know what this means please refer to the corresponding article.
CAN level difference			This measures the difference voltage between CAN_H and CAN_L.
CAN level absolute			The absolute levels of the bus system are the real voltages on the line in both bit conditions in relation to a reverence ground.

Bus Wiring

Node Measurement

Leerzeile

The quality levels of the sending nodes are displayed in a bar chart. Variations and fluctuations are easy to detect. Min/max values are stored. An extended view also shows the combination of the percentages in the quality value.

The individual participants can be measured even more detailed. The display shows the disturbance-free voltage range, edge steepness and quality level next to a logical or physical oscillogram of the node’s telegrams.

The smileys allow judging the measurements at a glance.

By using predefined lists of nodes, it is easier to find out if a node is missing.

Online Trigger

Leerzeile

The Online Trigger is used for monitoring the bus, looking for logical errors and physical layer problems over a longer time period. Measurement can be started after choosing the time for one measurement cycle (10 ms – 1 min). If an error is detected within a measurement cycle, it is marked within the corresponding line. So it is later possible to see when an error occurred (up to 1 week). The chosen time for one cycle is accountable for the maximum displayable time span. 10.000 measurement cycles are displayable in CANtouch, older data gets lost. Only the fact that one or more errors occurred over the whole measurement time is visible.

For physical measurements, you give thresholds, when an error is shown. Current values, as well as maximum and minimum values, can be shown. Monitoring for certain errors can be switched off. This might be usable in case you are looking for a certain physical problem and don’t want the monitor to beep or to be stopped at every error frame.

The CANtouch can beep at every recognized error, this makes it easier to troubleshoot sporadic errors. It is also possible to show the last as corrupted assessed message as oscilloscope picture. The functions of the oscilloscope view are detailed as known from the Node Measurement app (zoom, physical and logical view, decoding).

Protocol Monitor

Leerzeile

The extensive protocol monitor can send individual telegrams or sequences of telegrams.

On receipt, the data is displayed in list form or in overwriting, the data content is displayed in original or decrypted form and can be recorded for later evaluation. The long-term recording (trace) can be influenced by start/stop conditions.

The free symbol editor is available in the support area as a download to configure decoding.

The send and receive lists as well as trace data can be imported into the CANvision software. No purchase is necessary, the software can be operated in trial mode. In addition, we allow free decoding of CANopen and SAE J1939 data including ISOBUS and NMEA2000.

Order Information

Product		Description	GEMAC order number / shoplink
	CANtouch – Complete Set	Complete set consisting of: • CANtouch – basic set (PR-22580-00) • Adapter Set (PR-22580-10) • Service Case (PR-22580-50)	PR-22580-81
	CANtouch – Basic Set	CANtouch incl. power supply (type: SAW-14.0-2500), power supply coard Euro, USB cable, 2 user manuals (German, Englisch)	PR-22580-00
	Adapter Set	CAN connecting cable 0.3 m CAN connecting cable 1.5 m Adapter 2x 9-pin D-Sub / 1x M12 full metall M12 T-peace full metall Shorting plug M12 Shorting plug 9-pin D-Sub Terminating resistor M12 Terminating resistor 9-pin D-Sub 4 mm safety testing wire 3 m length 4 mm crocodile clip	PR-22580-10
	Service Case	Robust case with foam inlets fitting for CANtouch – basic set and adapter set	PR-22580-50
Licences for optional software apps
License „Node Measurement“	CAN	License key for node related physical layer measurement in bus system CAN	SW-22580-00
	CANopen	License key for node related physical layer measurement in bus system CANopen	SW-22580-01
	DeviceNet	License key for node related physical layer measurement in bus system DeviceNet	SW-22580-02
	SAE J1939	License key for node related physical layer measurement in bus system SAE J1939	SW-22580-03
License „Bus Wiring“	License key for bus wiring measurements		SW-22580-10
License „Online Trigger“	License key for Online Trigger monitoring app		SW-22580 -15
License „Protocol monitor“	License key for protocol monitor CAN (transmit/ receive)		SW-22580-11
Maintenance
Battery changing service	Replacement of the integrated battery		PR-22580-90 contact Support
Calibration service	Calibration of CAN input circuit		PR-22580-92 contact Support