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Automotive CAN gateway module

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Function

The compact vehicle suitable CAN gateway module with PLC and soundfunction is to easily extend existing vehicle functions with low wiring costs. It is freely programmable and equipped with three CAN interfaces.

Thus it is possible to activate functions in the vehicle directly via CAN. Through the OBD connection and free programming other functions are pro-grammable.

Several vehicle CAN protocols are available on request.

Application Examples:

 Transfer of vehicle secondary functions (e.g. wheelchairs)

 Vehicle customizings, which data from the CAN-bus receive or activate func-tions via CAN

 Additional control points in vehicles (e.g. driving Schools)  Vehicle customizings for construction equipment

Housing and connector

 dimension: 89 x 95 x 35 mm

 connector: 3 x 18-pin Molex Mini Fit Junior

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Data exchange: Bus system

For the data exchange are the following bus systems available:  3 x CAN high speed according to ISO 11898-2

 or optional with 1 x CAN high speed and 2x CAN low speed

Technical Data:

 operating temperature: -40°C up to 85°C  voltage range: 9 - 18 V

 protection class: IP53  EMC: 2009/19/EG

 e1 approval number: 03 6588  20 analog input (digital usable)  4 digital HSD outputs

 6 potential free relais

 soundmodule (bleeperfunction)

 each HSD output max. 2,5A at tamb <80°C

 each relais output 3A

 Freescale HCS12XEQ processor with flash-technology (optionally multiprogramming)

 3 x CAN high speed or optional with 1 CAN high speed and 2 CAN low speed

o 1.042.100.00:

 CAN0: CAN-HS with 120Ω load resistor

 CAN1: CAN-HS without load resistor, e.g. connection with ex-isting CAN-bus

 CAN2: CAN-HS with 120Ω load resistor

o 1.042.110.00:

 CAN0: CAN-HS with 120Ω load resistor

 CAN1: CAN-LS

 CAN2: CAN-LS

 compact housing (85 x 95 x 35 mm), connector 3 x 18-pin Molex Mini Fit Junior.

 thanks to its powerful processor, the module is CANopen- und SAE J1939-able

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Programming

A Freescale HCS12 processor with flash-technology is used, which can be pro-grammed a number of times.

Two methods of functional programming:

1. Graphical programming with MRS Developers Studio©, the

integrated softwaretool CANgraph© and suitable

flash-programming-tool.

2. Programming with a C-development system e.g. Codewarrior.

Advantages of graphical programming with MRS Developers Studio

 There is no need for detailed knowledge of the microcontroller and a pro-gramming language. This system provides pure graphical ‘propro-gramming’ of the controller.

 The acquisition and training costs are very small.

Preference:

With graphical programming the possibilities of bus communication are limited.

Advantages of programming with a C-development system

 Very complex as well as user specific functions can be realized.

Preference:

An extensive knowledge of C-programming, the HCS12 microprocessor and the circuit is absolutely necessary.

Options

 communication

slot-expansion with radio module e.g. bluetooth to SCI to operate functions wireless

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Hardware

Connector:

3 x 18-pin Molex Mini Fit Junior

Supply:

Controller supply: 9 – 18 V

The module is protected against reverse polarity and electrical transients. The module has a Quad-Highside-Driver and 6 potential free relay outputs. The quiescent current is less than 1mA (Stand by).

The power consumption without load at the outputs approx 40mA.

Power-on:

The module can switched on with the ignition signal at KL15 or CAN-bus, then it keeps itself through the MC/Power Signal.

Inputs:

The module has 20 analog inputs. These are 0 – 30 V inputs ans can be used digitally to 30 V.

Outputs:

Quad Power-Highside-Driver (Type VNQ5050AK oder VNQ5050), overload and short-circuit protected with a digital status load. The status can be used to de-tect an open load or overload condition.

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Connector assignment

Connector

Pin Pin Function on the board

X101.01 GND ground X101.02 KL 15 ignition (KL15) X101.03 AI 19 analog input 0-12V X101.04 AI 20 analog input 0-12V X101.05 nc Not connected X101.06 nc Not connected X101.07 CAN2-H CAN high from CAN-bus 2 X101.08 CAN1-H CAN high from CAN-bus 1 X101.09 CAN0-L CAN low from CAN-bus 0 X101.10 KL 30 Vcc 12V X101.11 BL Bootloader X101.12 HSD1 HSD-Out 1 X101.13 HSD2 HSD-Out 2 X101.14 HSD3 HSD-Out 3 X101.15 HSD4 HSD-Out 4 X101.16 CAN2-L CAN low from CAN-bus 2 X101.17 CAN1-L CAN low from CAN-bus 1 X101.18 CAN0-H CAN high from CAN-bus 0 X102.1 K6-NC normally closed of relay 6 X102.2 K5-NC normally closed of relay 5 X102.3 K5-NO normally open of relay 5 X102.4 K4-NO normally open of relay 4 X102.5 K3-COM common of relay 3 X102.6 K3-NO normally open of relay 3 X102.7 K2-NO normally open of relay 2 X102.8 K1-NO normally open of relay 1 X102.9 K1-NC normally closed of relay 1 X102.10 K6-COM common of relay 6 X102.11 K6-NO normally open of relay 6 X102.12 K5-COM common of relay 5 X102.13 K4-COM common of relay 4 X102.14 K4-NC normally closed of relay 4 X102.15 K3-NC normally closed of relay 3 X102.16 K2-COM common of relay 2 X102.17 K2-NC normally closed of relay 2 X102.18 K1-COM common of relay 1 X103.1 ANA1 analog input 0-12V X103.2 ANA2 analog input 0-12V

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X103.5 ANA5 analog input 0-12V

X103.6 ANA6 analog input 0-12V X103.7 ANA7 analog input 0-12V X103.8 ANA8 analog input 0-12V X103.9 ANA9 analog input 0-12V X103.10 ANA10 analog input 0-12V X103.11 ANA11 analog input 0-12V X103.12 ANA12 analog input 0-12V X103.13 ANA13 analog input 0-12V X103.14 ANA14 analog input 0-12V X103.15 ANA15 analog input 0-12V X103.16 ANA16 analog input 0-12V X103.17 ANA17 analog input 0-12V X103.18 ANA18 analog input 0-12V BL* = boot loader input, if high the boot loader is active.

Available vehicle protocols

Following vehicle protocols are currently available: Mercedes C+E Class

Mercedes Sprinter Chrysler Voyager KIA Carnival VW Caddy Skoda Yeti Skoda Octavia Skoda Superb Mini Cooper Citroen DS4 Peugeot 1006

Other vehicle types can be analyzed and are also available upon request.

Further informations:

MRS Electronic GmbH www.kfz-relais.com

Klaus-Gutsch-Str. 7 www.mrs-electronic.com

D - 78628 Rottweil

References

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