MULTIFUNCTIONAL CAN GATEWAY
INSTALLATION MANUAL
Table of contents
Table of contents
1 General information ......................................................................................................................................... 4
2 Safety information ............................................................................................................................................ 7
3 Introduction ...................................................................................................................................................... 8
4 Components ..................................................................................................................................................... 9
4.1 Supply cable ......................................................................................................................................... 10
4.2 Data cable ............................................................................................................................................. 10
4.3 Connecting cable to the source CAN bus ............................................................................................. 10
5 Installation ...................................................................................................................................................... 11
5.1 Installation location ............................................................................................................................... 11
5.2 Prerequisites for system installation ..................................................................................................... 11
5.3 Preparations .......................................................................................................................................... 12
5.4 Testing the vehicle data bus ................................................................................................................. 13
5.5 Checking the data transmission rate and selection of the ECU variant ................................................ 13
5.6 Safety information ................................................................................................................................. 13
5.7 Connecting the device to the vehicle
5.8 Installation test ...................................................................................................................................... 16
.............................................................................................................................................................. 14
6 Problems and corrective measures ............................................................................................................. 17
7 Workshop notes ............................................................................................................................................. 18
7.1 Maintenance ......................................................................................................................................... 18
7.2 Disposal / Recycling .............................................................................................................................. 18
Edition 01
Version 1 (05/2017)
This publication is not subject to any update service.
You will nd the current version on the internet at
http://www.wabco.info/i/678
3
General information
1 General information
Purpose of this document
This document relates to a CAN data gateway that is designed to transmit information from a source
CAN bus to a target CAN bus. In this respect it is ensured that devices connected to the target CAN
bus do not interfere with the source CAN bus. Data can only ow from the source CAN bus to the
target CAN bus.
Copyright and trademark notice
The content, particularly technical information, descriptions and gures, corresponds to the state
current at the time of printing and is subject to change without notice.
This document, including all its parts, in particular texts and gures, is protected by copyright. Use
outside the statutory or contractual limits require authorisation by the copyright owner. All rights
reserved.
Any brand names, even if not indicated as such, are subject to the rules of the trademark and
labelling rights.
Symbols used
WARNING
CAUTION
CAUTION
Indicates a potentially hazardous situation
Failure to observe the safety instruction can result in
severe injuries or death.
– Follow the instructions in this warning to avoid
injury or death.
Indicates a potentially hazardous situation
Failure to observe the safety instruction can result in
minor or moderately severe injuries.
– Follow the instructions in this warning to avoid
any injuries.
Species possible material damage
Not observing the safety instruction can lead to
material damage.
– Follow the instructions in this warning to avoid
any material damage.
Important information, instructions and/or tips that you must always observe.
!
Reference to information on the internet
4
General information
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Installation Instructions WABCO
Multifunctional CAN Gateway
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5
General information
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6
Safety information
2 Safety information
Before starting with the installation, read and comply with the following safety instructions.
Observe all required provisions and instructions:
Read this publication carefully.
Adhere to all instructions, information and safety information to prevent injury
to persons and damage to property.
WABCO will only guarantee the safety, reliability and performance of their
products and systems if all the information in this publication is adhered to.
Always abide by the vehicle manufacturer's specications and instructions.
Observe all accident regulations of the respective company as well as
regional and national regulations.
Make provisions for a safe work environment:
Only trained and qualied technicians may carry out work on the vehicle.
Use personal protective equipment if required (protective goggles,
respiratory protection, ear protectors, etc.).
Pedal actuations can lead to severe injuries if persons are in the vicinity of
the vehicle. Make sure that pedals cannot be actuated as follows:
Switch the transmission to "neutral" and actuate the hand brake.
Secure the vehicle against rolling by using chocks.
Fasten a visible note to the steering wheel indicating that work is being
performed on the vehicle and that the pedals are not to be actuated.
Disconnect the battery from the vehicle for the duration of the installation
to ensure that it is at zero potential.
7
Introduction
3 Introduction
The WABCO Multifunctional CAN Gateway (MCG) is a CAN data gateway that is designed to
transmit information from a source CAN bus to a target CAN bus. For this purpose the MCG is
congured so that when it is connected to the source bus, it does not cause interferences on the
source bus or transmit signals from the target bus to the source bus.
Prior to installation
The present instructions will guide your through the installation procedure for the WABCO
Multifunctional CAN Gateway electronic control unit. The instructions communicate the required
information pertaining to prerequisites, components and installation requirements.
Complete observance of the installation instructions is a precondition for fault-free operation of the
MCG. The devices and cables supplied by WABCO must be used for installation.
Connection to the vehicle bus must be implemented by a trained vehicle technician / mechatronic
specialist.
Connections - Disclaimer
WABCO or WABCO TRANSICS are not liable for damage and faults as a result of an incorrect
installation. The tter is responsible for the correct choice of components, execution of the
installation and connection to the data busses. Basic knowledge of CAN data busses is required.
WABCO offers training courses to support the technicians of companies that install the system.
The gures and specic data, particularly of vendor parts and cables have been carefully checked
and were considered correct at the time these instructions were prepared. WABCO cannot be held
liable for vendor errors.
8
Components
4 Components
The components required for installation are listed below. The set consists of the Gateway ECU
itself and three connecting cables to be used for connection to the vehicle network and third party
devices. The connecting cables are included in the scope of supply.
The data cable (see chapter "4.2 Data cable" on page 10) is used to link the vehicle’s source CAN
bus, the target device and the MCG.
The power supply cable (see chapter "4.1 Supply cable" on page 10) is used to supply the MCG
with permanent voltage, ignition signal and vehicle ground. It must be attached to the Gateway ECU
and the vehicle’s supply rail.
The connecting cable to the source CAN bus is installed between the vehicle’s source CAN bus and
the data cable (see reference Installation).
Below is a list of that part of the cabling which is independent of the vehicle.
PRODUCT NUMBER FIGURE DESCRIPTION
446 270 060 0
446 270 061 0
WABCO Multifunctional
CAN Gateway (MCG)
192.5 x 119.5 x 32.75 mm (WxHxD)
White connection: X1
Yellow connection: X2 (not used)
Black connection: X3
Supply cable
Connectors:
Left: MCG X1 (white)
Right: Open line ends for connection to the vehicle
Data cable
Connectors:
Left: MCG X3 (black)
Centre: Connection to the connecting cable
Right: Target device
Connecting cable to the source CAN bus
Connectors:
Left: Open line ends for connection to the vehicle
Right: Connection to the data cable
9
Components
4.1 Supply cable
The supply cable has a connector at one end and three exposed cores at the other end. The
connector is used to connect the cable to the MCG via the X1 connecting socket on the device.
The three cores must be connected to the vehicle network, with respect to which the following must
be noted:
Red core Steady positive voltage
Black core Vehicle mass
Green core Ignition plus
4.2 Data cable
The data cable has three connectors. The 54-pole connector is used for the connection to the
MCG. The X3 socket is provided on the device for this purpose. After connecting the connector, the
connector lever must be ipped to arrest the connector correctly.
The 6-pole connector is used for the connection to the source CAN bus (vehicle bus). The 4-pole
connector is provided for the connection to the target device.
CORE FUNCTION
4.3 Connecting cable to the source CAN bus
The connecting cable contains two cores and is used as a connecting piece between the data cable
and the target CAN bus. The open line ends must be connected to the vehicle, the connector at the
other end is connected to the 6-pole connector of the data cable.
10
Installation
5 Installation
This chapter contains information necessary for the correct installation of the Multifunctional CAN
Gateway.
5.1 Installation location
The electronic control unit is only approved for installation within the driver’s cabin. The ambient
temperature at the installation location must not lie outside the temperature range of
-40 °C … +80 °C during operation. In addition, the device is categorised by IP30 degree of
protection in accordance with IEC529. The installation environment must be selected accordingly.
5.2 Prerequisites for system installation
– Before installing the Multifunctional CAN Gateway in a vehicle, you should
rst check for the following prerequisites:
In the interior, the ECU must be fastened by means of the four retaining elements (see red markings
in the diagram below).
Figure 1 Marking of the screw connection eyes on the MCG
11
Installation
It must be ensured that the installation position does not deviate from the positions shown in the
diagram.
The ECU must be installed in the driver’s cabin behind a standard cladding. The preferred
installation location is underneath the instrument panel cover on the passenger side of the vehicle.
!
If it is not possible to nd a suitable installation location, the unit must not be installed.
Before starting with the installation, read and comply with the following safety instructions.
5.3 Preparations
The WABCO Multifunctional CAN Gateway (MCG) is a CAN data gateway that transmits data from
the source data bus (e.g. vehicle data bus) to the target data bus without interferences.
The installation must be carried out by a trained vehicle electronics/mechatronics technician.
!
Figure 2 Installation position of the MCG
– Prior to installation, check if the source bus to be picked up complies with the
requirements in accordance with SAE J1939 standards with respect to:
maximum number of subscribers,
12
message format according to ISO 11898-2 and
termination.
That the source bus is fault-free, for example, must be determined by a measurement using a CAN
reading device. If this is not ensured, the gateway must not be installed.
Installation
– Verify that the requirements according to the SAE J1939 standard are still
met after installing the gateway (maximum number of subscribers, maximum
bus length, correct termination, …).
There is no additional or subsequent termination of the source data bus by means of the Gateway
ECU. If this is not ensured, the gateway must not be installed.
!
– Beforehand, make sure that the source bus operates with the correct data
transmission rate and that this matches the MCG’s data transmission rate.
If this is not the case, the gateway must not be installed.
!
– Check if the vehicle can provide an installation location in accordance with
see chapter "5.1 Installation location" on page 11.
If a corresponding installation location is not available, the unit must not be installed.
!
– Check if additional specications in relation to the installation of the ECU
exist from the vehicle manufacturer.
It is essential to comply with these during installation.
!
5.4 Testing the vehicle data bus
The MCG can only be installed on a CAN data bus that is based on the standardised SAE J1939
protocol.
– Test prior to installation whether the CAN source bus transmits data
according to the SAE J1939 protocol.
5.5 Checking the data transmission rate and selection of the ECU variant
Two different parameter versions of the MCG are provided for the connection to a CAN data bus with
different transmission rates. The table below shows possible combinations.
SOURCE
BUS
250 kBit/s 250 kBit/s
500 kBit/s 500 kBit/s
TARGET
BUS
FIRMWARE ID
GATW_
SW_1.1
GATW_
SW_1.1
PLANT DATA
SET ID
WABCO_
TRANSICS
WABCO_
TRANSICS
SERVICE AREA
DATA SET ID
FULL_B_to_C_v1
FULL_B_to_C_v1 CAN Gateway 446 270 061 0
VARIANT
NAME
CAN Gateway
Transics
VARIANT
NUMBER
446 270 060 0
As a next step it is therefore necessary to check which data transmission rate is used by the source
bus to which the MCG will be connected. The corresponding MCG variant must be used.
5.6 Safety information
Danger of injury by electricity, heat
To avoid short circuits, pull out the fuse for the respective power circuit.
13
Installation
Disconnect the battery if necessary.
However, the downstream theft-protection systems may have to be
reprogrammed.
Trafc safety, functionality of the safety equipment / operating elements
Installing the components in an unsuitable location can cause injury in the
event of an accident or hinder the efcacy of safety devices (e.g. airbags).
Observe the instructions of the vehicle manufacturer relating to installation.
Install the system so that the driver's view is not obstructed and access to all
important controls is not hindered.
During installation, ensure that the function of the airbag is not constrained,
or that it is not accidentally triggered.
Secure the components so that these cannot break loose in the event of a
collision or sudden braking.
Damage to the cable
Ensure that the cable does not become trapped or damaged.
Plan your installation position so that the cables cannot become kinked,
trapped or damaged.
Fasten the cables and connectors so that the plug connections are not
subjected to any tensile stress or lateral forces.
5.7 Connecting the device to the vehicle
14
Figure 3 Correctly connected Gateway ECU with the correct cables
Figure 3 shows the Gateway ECU with correctly connected connecting cables. The vehicle network
with supply voltage pick-up, source CAN bus and the third party device with the target CAN bus are
not shown.
Figure 4 shows a diagram of the cabling.
Installation
CAN GATEWAY
Figure 4 Schematic overview of the cabling for connecting the Gateway ECU
15
Installation
5.8 Installation test
The following test plan must be carried out after every installation. If even a single test requirement
is not passed, the vehicle must not be put into operation and it is necessary to return the vehicle to
its original state.
After the Gateway has been installed, the tter must carry out the following test steps to ensure
operation without interferences and thus a correct installation: The test is performed with the
vehicle’s installation turned on.
The results of this measurement must be compared to the results of the measurement prior to
installing the Gateway (see chapter "5 Installation" on page 11) and must not differ.
!
– Make sure that the vehicle system does not report any active faults (reading
the instrument panels and the control unit diagnosis).
– Ensure by means of measurement with a CAN reading device that the
source bus is fault-free after connecting it to the MCG.
– Connect a reading device to the target bus to ensure that the desired vehicle
data is transmitted from the source bus to the target bus.
If all test items can be conrmed, the MCG was correctly installed and is now ready for use.
16
Problems and corrective measures
6 Problems and corrective measures
PROBLEM REMEDIES
Target device does not receive any or incorrect CAN data – Check the power supply of the MCG.
Target device does not receive any or incorrect CAN data – Check if the CAN cables (CAN High and CAN Low)
are correctly connected to the source CAN bus.
– Check if the CAN cables (CAN High and CAN Low)
are correctly connected to the target CAN bus.
Target device does not receive any or incorrect CAN data – Check the correct termination (terminating resistor) of
the target CAN bus.
Target device does not receive any or incorrect CAN data – Check if the MCG version with the correct baud rate
was installed in the vehicle.
Vehicle behaves unusually after installing the MCG – Remove the MCG again and contact a workshop.
Vehicle indicates fault messages – Remove the MCG again and contact a workshop.
17
Workshop notes
7 Workshop notes
7.1 Maintenance
WABCO Multifunctional CAN Gateway is maintenance-free.
7.2 Disposal / Recycling
The system components are electronic scrap and must
not be disposed of together with domestic waste. When
disposing components, observe all the laws and regulations
applicable in your country.
This applies in particular to sensors that contain lithium
batteries. These are solidly potted inside the housing and
can not be replaced. Once they have reached the end of
their life, dispose of the sensors while observing all the laws
and regulations that apply in your country.
WABCO strives to protect the environment. As with other old
devices, all components can be returned to WABCO. Speak
to your WABCO sales partner about this.
18
19
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and connectivity of commercial
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For more information, visit
www.wabco-auto.com
© 2017 WABCO Europe BVBA – All rights reserved – 815 010 239 3 / 05.2017
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