IXXAT USB-to-CAN II User manual

The expert for industrial and automotive communication
Manual
USB-to-CAN II
Intelligent PC/CAN Interface

IXXAT
Headquarter US Sales Office
IXXAT Automation GmbH IXXAT Inc.
Leibnizstr. 15 120 Bedford Center Road
D-88250 Weingarten USA-Bedford, NH 03110
Tel.: +49 (0)7 51 / 5 61 46-0 Phone: [phone]
Fax: +49 (0)7 51 / 5 61 46-29 Fax: [phone]
Internet: www.ixxat.de Internet: www.ixxat.com
e-Mail: [email protected] e-Mail: [email protected]
Support
In case of unsolvable problems with this product or other IXXAT products
please contact IXXAT in written form by:
Fax: +49 (0)7 51 / 5 61 46-29
e-Mail: [email protected]
For customers from the USA/Canada
Fax: [phone]
e-Mail: [email protected]
Copyright
Duplication (copying, printing, microfilm or other forms) and the electronic
distribution of this document is only allowed with explicit permission of
IXXAT Automation GmbH. IXXAT Automation GmbH reserves the right to
change technical data without prior announcement. The general business
conditions and the regulations of the license agreement do apply. All rights
are reserved.
Document number: 4.01.0066.20000
Version: 1.5

Copyright IXXAT Automation GmbH USB-to-CAN II - Manual, V1.5
Contents
3
1Introduction ..............................................................................5
1.1 Overview .............................................................................5
1.2 Features ..............................................................................5
1.3 Support...............................................................................6
1.4 Returning hardware............................................................6
2Installation.................................................................................7
2.1 Software installation ..........................................................7
2.2 Hardware installation .........................................................7
3Connections and displays..........................................................7
3.1 Pin allocation ......................................................................7
3.1.1 USB connector........................................................................... 7
3.1.2 CAN bus connector for CAN 1 ................................................... 7
3.1.3 CAN bus connector for CAN 2 ................................................... 8
3.1.4 Cable adapter RJ45 to Sub-D9M................................................ 9
3.2 Displays.............................................................................10
3.2.1 USB LED .................................................................................. 10
3.2.2 CAN LEDs (CAN1 and CAN2) ................................................... 11
3.2.3 CAN1 LS LED (only variant automotive).................................... 12
3.2.4 LIN LED (only variant automotive) ............................................ 12
3.3 CAN bus termination ........................................................12
3.4 LIN (only variant automotive)...........................................12
4Appendix .................................................................................13
4.1 Technical specifications.....................................................13
4.2 Accessories........................................................................14
4.2.1 CAN bus termination resistor ................................................... 14
4.2.2 Cable adapter RJ45 to Sub-D9M.............................................. 15
4.3 Notes on EMC ...................................................................15
Declaration of conformity .......................................................16
FCC Compliance.......................................................................17

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Introduction
5
1Introduction
1.1 Overview
Congratulations on your purchase of the IXXAT PC/CAN interface USB-to-CAN II,
a high-quality electronic component developed and manufactured according to
the latest technological standards.
This manual is intended to familiarize you with your interface, also referred to in
the following as USB-to-CAN II. Please read this manual before beginning with
the installation.
1.2 Features
•According to USB specification version 2.0
•“Hot-plug“ compatible (plug-in during operation of computer)
•Power supply via USB
•Infineon 16 bit microcontroller with 36MHz clock
•512 kByte RAM
•512 kByte Flash
•2 CAN controller PHILIPS SJA1000 with 16 MHz clock
•variant industrial:
CAN bus interface according to ISO 11898-2, as an option galvanically isolat-
ed (both CAN circuits have a common potential)
•variant automotive:
CAN bus interface on CAN 1 can be choosen between high- (ISO 11898-2)
and low-speed (ISO 11898-3), galvanically isolated (both CAN circuits have a
common potential)
CAN bus interface on CAN 2 according to ISO 11898-2, galvanically isolated
LIN bus interface, galvanically isolated (common potential with the CAN bus
interfaces)

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Introduction
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CAN potentialUSB potential
MC
C161U
36MHz
SRAM
(512 kB) CAN-Controller
SJA1000
Flash
(512 kB)
LIN
TJA1020
High-Speed
SN65HVD251
Low-Speed
TJA1054
CAN-Controller
SJA1000
High-Speed
SN65HVD251
LEDs
CAN1
USB cable
CAN socketCAN socket
optional
galvanic
isolation
CAN2/LIN
only for variant automotive
Picture 1-1: Block diagram of the USB-to-CAN II
1.3 Support
For more information on our products, FAQ lists and installation tips, please refer
to the support section of our website (http://www.ixxat.de), which also contains
information on current product versions and available updates.
If you have any further questions after studying the information on our website
and the manuals, please contact our support department. The support section on
our website contains the relevant forms for your support request. In order to fa-
cilitate our support work and enable a fast response, please provide precise in-
formation on the individual points and describe your question or problem in de-
tail.
If you would prefer to contact our support department by phone, please also
send a support request via our website first, so that our support department has
the relevant information available.
1.4 Returning hardware
If it is necessary to return hardware to us, please download the relevant RMA
form from our homepage and follow the instructions on this form. In the case of
repairs, please also describe the problem or fault in detail on the RMA form. This
will enable us to carry out the repair quickly.

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Installation
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2Installation
2.1 Software installation
A driver is required to operate the interface. This driver is part of the VCI (Virtual
CAN Interface), which could be downloaded for free in the internet
(http://www.ixxat.de).
For installation of the CAN driver VCI under Windows, please refer to the VCI
installation manual.
2.2 Hardware installation
The USB-to-CAN II can be plugged in and unplugged during operation of the PC
(hot-plug compatible). It is recommended to install the VCI software before plug-
ging in for the first time.
3Connections and displays
3.1 Pin allocation
3.1.1 USB connector
The USB connector is designed as a type “A“ connector. Pin allocation is accord-
ing to the USB standard.
The shield of the USB cable is connected to the ground of the PCB via a 1MΩre-
sistor and a 1nF capacitor.
The USB-to-CAN II could only be connected to self-powered hubs (USB-hubs with
own power supply) or directly to the PC
3.1.2 CAN bus connector for CAN 1
The USB-to-CAN II has a bus interface according to ISO 11898-2, optionally con-
figurable as ISO 11898-3 (only variant automotive).
The signals of the bus interface are connected to the 8-pin RJ45 connector (see
table 3-1). The bus interface can be galvanically isolated from the CAN bus as an
option.

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Connections and displays
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Pin No. X5 Signal
1 CAN high
2 CAN low
3 GND
4 CAN high (Fault Tolerant),
(only variant automotive)
5 CAN low (Fault Tolerant),
(only variant automotive)
6 Not connected
7 GND
8 Not connected
Table 3-1: Pin allocation of the CAN bus connector
The shield of the CAN connector is connected to the ground of the CAN bus in-
terface via a 1MΩresistor and a 1nF capacitor. The shields of both CAN connect-
ors are directly connected together.
In case of a non galvanically decoupled device the CAN ground and the USB
ground have a common potential.
For the best results of noise immunity the shields of the CAN cables should be
grounded.
3.1.3 CAN bus connector for CAN 2
The USB-to-CAN II has a bus interface according to ISO 11898-2, optionally with
LIN interface (only variant automotive).
The signals of the bus interface are connected to the 8-pin RJ45 connector (see
table 3-2). The bus interface can be galvanically isolated from the CAN and LIN
bus as an option.
Pin No. X6 Signal
1 CAN high
2 CAN low
3 GND
4 Not connected
5 Not connected
6 LIN (only variant automotive)
7 GND
8 V-LIN (12V DC, max. 200mA)
(only variant automotive)
Table 3-2: Pin allocation of the CAN bus connector

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Connections and displays
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The shield of the CAN connector is connected to the ground of the CAN bus in-
terface via a 1MΩresistor and a 1nF capacitor. The shields of both CAN connect-
ors are directly connected together.
In case of a non galvanically decoupled device the CAN ground and the USB
ground have a common potential.
For the best results of noise immunity the shields of the CAN cables should be
grounded.
3.1.4 Cable adapter RJ45 to Sub-D9M
The connection of the cable adapter could be seen in table 3-3.
The cable could be ordered at IXXAT with the ordering number
1.04.0074.01000.
Picture 3-1: Cable adapter RJ45 to Sub-D9M
Pin No.
Sub-D9M
Pin No.
RJ45
7 1
2 2
3 3
4 4
1 5
5 6
6 7
9 8
8 Not connected
Shield Shield
Table 3-3: Pin assignment of the cable adapter

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Connections and displays
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3.2 Displays
The USB-to-CAN II has 3 LEDs in the variant industrial and 5 LEDs in the variant
automotive. The LEDs show the communication status of the according interface.
Picture 3-2: Connectors and LEDs of the variant industrial
Picture 3-3 Connectors and LEDs of the variant automotive
3.2.1 USB LED
The USB LED signals the operating state of the device. If the LED is green, com-
munication via USB is possible. If the LED is off, there’s no communication possi-
ble.
In case of a green flashing USB LED, the level of the USB voltage may be too low
for safety CAN communication. But this is only a hint of the interface, there’s no
limitation in use of the CANs.

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Connections and displays
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Flashing
mode
Description Causes/Hints
off No communication via USB
possible
•Device not properly initialised, be-
cause the USB port can’t provide
enough power
•Device not connected to USB
green USB communication possible •Device fully functional
green
blinking
USB communication
possible, may be the USB volt-
age is to low for a properly
CAN communication
CAN communication is still
possible!
•The CAN components need a volt-
age of 5V DC ±5%, but the USB
voltage is under the lower limit at
the moment
Table 3-4: States of the USB LED
3.2.2 CAN LEDs (CAN1 and CAN2)
The two coloured (green and red) LEDs for CAN1 and CAN2 flash on each CAN
message (transmitted or received) green, if there was no error detected.
If the CAN controller is in the „Error warning“ or „Error passive“ state, the LED
flashes red on each message. In the „Bus off“ state the LED is continously red.
Flashing
mode
Description Causes/Hints
off No CAN
communication
•No CAN communication
•Device not connected to CAN
green / green
blinking
CAN communication •With each CAN message the LED is trig-
gered
red blinking CAN communication,
CAN controller in er-
ror state
•The CAN controller is in the „Error
Warning“ or „Error passive“ state, the
reception/transmission of CAN messag-
es is still possible
red Bus Off •The CAN controller is in the „Bus Off“
state. No more CAN communication
possible
Table 3-5: States of the CAN LEDs

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Connections and displays
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3.2.3 CAN1 LS LED (only variant automotive)
The CAN1 LS LED is yellow. It shows the active bus interface for CAN 1. If the
high speed transceiver is active, the LED is off. In case of the fault tolerant trans-
ceiver, the LED is on.
Flashing
mode
Description Causes/Hints
off CAN high speed transceiver
active
•The CAN high speed interface is ac-
tivated
yellow CAN low speed (fault toler-
ant) transceiver active
•The CAN low speed (fault tolerant)
interface is activated
Table 3-6: States of the CAN1 LS LED
3.2.4 LIN LED (only variant automotive)
The two-coloured (green and red) LED for LIN flashes on each message, that was
transmitted or received. In case of an error the LED is blinking red.
Flashing
mode
Description Causes/Hints
off No LIN communication •There is no LIN communication
•Device not connected to LIN
green / green
blinking
LIN communication •With each LIN message the LED is
triggered
red / red
blinking
LIN communication
with errors
•On the transmission or reception of a
LIN message an error was detected
Table 3-7: States of the LIN LED
3.3 CAN bus termination
There is no bus termination resistor for the CAN bus assembled on the USB-to-
CAN II. As an accessory a bus termination resistor is available as a feed through
connector at IXXAT (ordering number 1.04.0075.03000).
3.4 LIN (only variant automotive)
The USB-to-CAN II can be configured as LIN Master according to LIN specification
V1.3. A voltage of 12 V DC (voltage range 8-18V DC) has to connected to the
CAN socket X6.
The power consumption is limited by a 1kΩresistor.

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Appendix
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4Appendix
4.1 Technical specifications
USB interface: Version 2.0 (Full Speed)
Microcontroller: Infineon C161U, 36 MHz
RAM / Flash: 512 kByte / 512 kByte
CAN controller: 2x Philips SJA1000
CAN transceiver (high speed): Texas Instruments SN65HVD251
CAN transceiver (low speed): Philips TJA1054
Max. number of CAN bus nodes: 120 (high speed),
32 (low speed)
CAN bus termination resistor: none (high speed),
RTH=RTL=4,7kΩ(low speed)
CAN propagation delay: with galvanic isolation typically 32 ns
CAN baudrates: 10 kBaud – 1 MBaud (high speed),
10 kBaud - 125 kBaud (low speed)
Max. CAN message rate 19900 messages/s (continuous)
(with VCI, receive direction): 21200 messages /s (burst)
Max. CAN- message rate 11300 messages /s (continuous)
(with VCI, transmit direction):
LIN transceiver: Philips TJA1020
LIN baudrates: up to 20 kBaud
Max. LIN message rate: 2500 messages/s
LIN voltage range: 8 – 18V DC, 12 V DC typically
Power supply: via USB (5V DC)
Power consumption (normal): typically 210 mA
maximum 400 mA
Power consumption (standby): typically 4 mA
maximum 21 mA
Housing material: ABS plastics
Dimensions (L x B x H) in mm: 98 x 55 x 20
Weight: approx. 200 g

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Appendix
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Protection class: IP40
Operating temperature range: -20°C - +80°C
Storage temperature range: -40°C - +85°C
Relative humidity: 10 - 95%, non-condensing
Galvanic isolation: optional CAN and LIN Bus to USB 250 V AC for
1 min
Device security: CSA/UL 60950-00 Class 3862 10, 3862 90
4.2 Accessories
4.2.1 CAN bus termination resistor
IXXAT offers a bus termination resistor as a feed through connector (ordering
number 1.04.0075.03000).
Picture 4-1: Connections of the CAN bus termination resistor
Picture 4-2: CAN bus termination resistor

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Appendix
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4.2.2 Cable adapter RJ45 to Sub-D9M
The cable adapter offers the possibility of connecting the USB-to-CAN II via a
Sub-D9M plug to the user. The length of the cable (without the plugs) is 100
mm.
The ordering number of the cable adapter is 1.04.0074.01000.
Picture 4-3: Cable adapter RJ45 to Sub-D9M
4.3 Notes on EMC
The PC/CAN-Interface USB-to-CAN II may only be used with a PC that has a CE-
symbol. The CAN-bus connected to the interface must have a shielded lead. The
shield braiding must be connected with low impedance to the connector hous-
ing.

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Appendix
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Declaration of conformity
IXXAT Automation declares that the product: USB-to-CAN II
with the article number: 1.01.0062.11110
1.01.0062.11220
1.01.0066.11220
do comply with the EC directives 2004/108/EC.
Applied harmonized standards in particular:
EN 55022:2006 + A1:2007
EN 55024:1998 + A1:2001 + A2:2003
22.08.2011, Dipl.-Ing. Christian Schlegel , Managing Director
IXXAT Automation GmbH
Leibnizstrasse 15
88250 Weingarten

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Appendix
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FCC Compliance
Declaration of conformity
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
•this device may not cause harmful interference, and
•this device must accept any interference received, including interference that
may cause undesired operation.
Class A digital device instructions:
Note: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are de-
signed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in ac-
cordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the
interference at his own expense.