VEMS V3MS DASH7 Bedienungsanleitung

for VEMS ECUs

Digital Dashboard for standalone ECUs VEMS V3.x

QUICK GUIDE

For model: HW22/12560N7P

3rd revision 12/2022

Content

1. Introduction

a. Main parts of display unit

2. Electrical connection

a. Display unit

i. Power connector –PWR ( 6 pins )

ii. Control connector –CNTRL ( 7 pins )

b. Main Unit

i. Main unit connector

c. Base connection of DASH7

i. Base connection WIRING DIAGRAM

d. Full connection of DASH7

i. Analog Inputs for 0-5V sensors

ii. Digital Inputs for vehicle lights status (+12V)

iii. Digital inputs switched to Ground

3. Controls

a. Quick access functions

b. Menu navigation

c. Remote control

4. Graphic User Interface

a. GUI update procedure

5. SD Card Full-Datalogger

6. Mounting and Maintenance

a. Mounting

b. Maintenance

7. Troubleshooting

8. Warranty

Introduction

Main parts of display unit:

1. Body

2. 7inch TFT screen

3. Shift-light LED diodes

4. Warning LED diodes

5. Micro SD Card slot

6. Power connector

7. Control buttons connector

8. CR1220 Clock Battery cover

9. Mounting terminals 4x M5

Electrical connection

Display unit

PWR connector ( 6 pins )

This connector is for power supply and communication between main unit and display unit. Without this connector

connected, Dash7 won‘t work. This connector is wired from factory and this pinout is only for troubleshoting

purposes. Do not modify factory wiring harness! Modifying factory harness can cause damage of your Dash7 and will

void a factory warranty!

Power connector pinout:

Pin 1: to main unit connector pin A8

Pin 2: to main unit connector pin A2

Pin 3: to main unit connector pin B7

Pin 4: to main unit connector pin A7

Pin 5: to main unit connector pin A6

Pin 6: to main unit connector pin C7

CNTRL connector ( 7 pins)

This connector is used to control the main functions of display, switching screens, adjusting brightness, hide

warnings, change settings, etc... .

Without this connector connected, the Dash7 will work normally, but you will be unable to control it’s functions or

change settings.

Control buttons are packed in the box with your Dash7. Depends on your order specifications, you can buy separate

buttons, buttons on PCB or buttons in plastic case.

Control connector pinout and wiring diagram:

Pin 1: push button RIGHT (pink wire)

Pin 2: push button LEFT (blue wire)

Pin 3: push button UP (green wire)

Pin 4: push button DOWN (red wire)

Pin 5: push button OK/ENTER (violet wire)

Pin 6: Not In Use (yellow wire)

Pin 7: buttons supply GND - GROUND (white wire

+ black wire + shielding wire twisted together)

WARNING:

These wire colors are not guaranteed and may be changed at any time without notice!

NEVER APPLY ANY VOLTAGE TO THE CNTRL CONNECTOR! Otherwise, you can damage your Dash7!

Main Unit

Main unit connector

Main unit connector is used for Dash7 power supply, ECU communication and for connecting analog and digital

inputs to the Dash7. To disconnect main unit connector pull the violet plastic part to the side and at the same time

pull the connector out from the socket. Connector consists of 3 rows of pins (A, B, C), 8 pins in a row (total of 24

pins)

DO NOT FOLLOW THE POSITION OF A VIOLET PLASTIC PART ON THE PICTURE WHEN INSTALLING PINS,

BECAUSE THIS PART CAN BE MOUNTED IN BOTH DIRECTIONS!

Row A

Pin A1: Sensors +5V supply (load max. 700mA) (NOTE: Pin not connected for Sn2106 or less)

Pin A2: PWR connector of display unit - Pin 2

Pin A3: Sensors GND - Ground supply for sensors (NOTE: Pin not connected for Sn2106 or less)

Pin A4: Input 9 (Handbrake - GND) –switch ONLY to GND ! (not protected input)

Pin A5: Input 10 (Oil Press Switch - GND) –switch ONLY to GND ! (not protected input)

Pin A6: PWR connector of display unit - Pin 5

Pin A7: PWR connector of display unit - Pin 4

Pin A8: PWR connector of display unit –Pin 1 (+5V display unit power supply)

Row B

Pin B1: Input 4 (Low Beam Lights +12V) –connect to the +12V of low beam light bulb

Pin B2: Input 5 (High Beam Lights +12V) –connect to the +12V of high beam light bulb

Pin B3: Input 6 (Turn Indicator LEFT +12V) –connect to the +12V of left turn ind. bulb

Pin B4: Input 7 (Turn Indicator RIGHT +12V) –connect to the +12V of right turn ind. bulb

Pin B5: Input 8 (Reverse Gear +12V) –connect to the +12V of reverse light bulb

Pin B6: VEMS Serial RS232 (GND)

Pin B7: PWR connector of display unit - Pin 3

Pin B8: Main Power Supply +12V –connect this pin to the main switch or ignition switch in your car

Row C

Pin C1: Analog Input 0 (Fuel Level Sensor) –MAX INPUT VOLTAGE 5V ! (unprotected)

Pin C2: Analog Input 1 (Pressure Sensor) –MAX INPUT VOLTAGE 5V ! (unprotected)

Pin C3: Analog Input 2 (Temperature Sensor) –NTC or PTC, MAX INPUT VOLTAGE 5V ! (unprotected)

Pin C4: Analog Input 3 (Configurable Input/Neutral) –any type of sensor, MAX INPUT VOLTAGE 5V ! (unprotected)

Since firmware V7.3.3 and GUI V3.6.2KN Configurable input can be used as Digital Input for Neutral switch

(in this case, connecting to GND means >> Neutral is selected)

Pin C5: VEMS Serial RS232 data (ECU pin EC18/14)

Pin C6: VEMS Serial RS232 data (ECU pin EC18/15)

Pin C7: PWR connector of display unit –Pin 6 (GND of display unit power supply)

Pin C8: Main Power Supply GND –connect to the battery negative terminal or vehicle ground

NOTE: When installing the pins into the connector, always read the numbers and letters on the connector

carefully and double check that all pins are installed in the correct place, as incorrect wiring can damage your

Dash7 !

Base connection of DASH7

Base connection is used when customer want only to visualise data from VEMS ECU without any additional analog

or digital inputs connected to the Dash7.

For base connection just follow these steps:

1. Turn OFF power supply (turn off battery kill switch, main switch,etc...)

2. connect 24pin connector to the main unit of Dash7,

3. connect 6pin connector from main unit to the display unit.

4. plug in Dash7 RS232 cable to the RS232 connector of your VEMS ECU (NOT THE CONNECTOR NAMED LCD!)

5. connect BLACK WIRE from pin C8 of main connector to the vehicle GROUND or battery NEGATIVE terminal

6. connect RED WIRE from pin B8 (through 3A fuse) to the main switch or ignition switch of +12V battery

voltage

If all connections are proper, turn on the power supply. The Dash7 opening ceremony should begin.

Opening ceremony means that the screen of Dash7 will show you Startup screen with “your logo“(or short video),

then you will see a Connect screen for the moment and all LEDs gradually lights up in Red, Green and Blue color. At

the end of the opening ceremony, all the LEDs will go out and the first data page will be displayed with the data from

the ECU.

You can switch between data pages and control the Dash7 by using buttons connected to the CNTRL connector on

the back of the display unit.

The wiring diagram of BASE CONNECTION is on the picture below.

BASE CONNECTION WIRING DIAGRAM OF DASH7

WARNINGS AND NOTES:

-NEVER DISCONNECT ANY CONNECTOR FROM DASH7 WHEN POWER SUPPLY IS ON !

-ALWAYS USE 3 Amp (max 5 Amp) fuse for +12V power supply of Dash7 !

-Locate fuse as close as possible to the main switch (or ignition switch).

-MAKE SURE YOUR GROUNDING IS PROPERLY CONNECTED !

-MAKE SURE ALL CONNECTORS ARE CONNECTED PROPERLY AND LOCKED.

-If possible, always use screws to lock RS232 connector.

-Make sure, you ECU is not „password protected“. If yes, it don’t send any data through the serial

connector (RS232). Your ECU must be „not password protected“ for working with Dash7

-Power supply pins are overvoltage and polarity protected, but we strongly recommend to check all

connections and pinout before turning the power supply ON.

Full connection of DASH7

Full connection means a base connection of Dash7, plus connection of additional inputs.

Inputs

Dash7 can not only visualize data from ECU, but also from its own analog and digital inputs. 0-5V inputs are

unprotected and they tolerate MAXIMUM OF 5 VOLTS ! Higher voltage can damage input or main processor of

Dash7, so be very careful when connecting there inputs. Always use 5V supply from Dash7 if possible. Overvoltage

damage is not covered by factory warranty!

ANALOG INPUTS (FOR 0-5V SENSORS):

Fuel level sensor (3 wires version - potentiometer):

Pin C1: Input signal from Fuel Level Sensor (use 5V and GND supply from Dash7)

Pin A1: +5V sensors power supply (use Pin A8 for Sn2106 or older)

Pin A3: Sensors GND

NOTE: If your sensor has only 2 wires, connect one wire to the Sensors GND (pin A3), another wire to the analog

input (pin C1) and use pull-up resistor between +5V (pin A1) and signal (pin C1). Resistor value must be calculated

and depending on the sensor’s resistance (usually must be more than 1000 Ohm).

Pressure sensor (3 wires version):

Pin C2: Input signal from pressure sensor (0-5V)

Pin A1: +5V sensors power supply (use Pin A8 for Sn2106 or older)

Pin A3: Sensors GND

NOTE: If your sensor has only 2 wires (usually resistance pressure sensors), connect one wire to the GND (pin A3),

another wire to analog input (pin C2) and use pull-up resistor between +5V (pin A1) and the signal (pin C2).

Resistor value must be calculated and depending on the sensor‘s resistance (usually must be more than 1 kOhm).

Temperature sensor (NTC):

Pin C3: Input from Temperature Sensor (NTC or PTC) 0-5V calibrable by curve

Pin A1: +5V sensors power supply

Pin A3: Sensors GND

Connect 2700 Ohm pull-up resistor from pin A1 to pin C3 for most OEM sensors. Or use a value recommended by

sensor’s manufacturer.

Any 0-5V sensor (Configurable input pin):

This input can be used with many types of sensors. For example: Pressure, Temperature, Position,...etc, with 0-5V

output. Or can be used like a digital input for NEUTRAL GEAR SWITCH (since firmware V7.3.3 and GUI V3.6.2KN).

Pin C4: Configurable Input –you can use this input for any sensor connected as shown (as voltage divider 0-5V)

Pin A1: +5V sensors power supply

Pin A3: Sensors GND

NOTE: If your sensor has only 2 wires, connect 1 wire to the GND (pin A3), another wire to the input (pin C4) and

use pull-up resistor between +5V (pin A1) and signal input (pin C4). Resistor value must be calculated and

depending on he sensor‘s resistance (usually must be > 1kOhm). For OEM automotive NTC sensors it is usually

2,7kOhms.

If Configurable input pin is used like a digital input for Neutral switch, connect one side of Neutral switch to the

GND and other side to the input (pin C4) and use pull-up resistor if necessary. Working principle: If Neutral gear is

selected, switch is connected to the GND >>>> “N“ is displayed on the screen of the Dash7 (if Gear gauge is

presented on actual page) and/or Neutral gear LED is turned ON. For proper function you need to go to the

"Gauges" menu and set the "Neutral Gear Channel" from "OFF" to “Conf.Dash In.” (this function is available only

for firmware V7.3.3 and GUI V3.6.2KN or higher)

If you want to use any other device with 0-5V output as a source for this input, connect GND wire from this device

to the GND pin (A3) of the Dash7 and a signal wire (0-5V max) from the device to the pin C4 of the Dash7. Make

sure that the output voltage from the device will never exceed 5 Volts!

NEVER EXCEED 5 VOLTS ON 0-5V ANALOG INPUTS ! IT WILL DAMAGE YOUR DASH7 !

Digital inputs for displaying the vehicle lights status (+12V digital inputs)

Pin B1: Input 4 (Low Beam lights +12V)

Pin B2: Input 5 (High Beam lights +12V)

Pin B3: Input 6 (Turn signal light LEFT SIDE +12V)

Pin B4: Input 7 (Turn signal light RIGHT SIDE +12V)

Pin B5: Input 8 (Reversing lights +12V)

Connect wires directly from positive terminals of the bulbs to the Main unit connector.

When the lights turns ON, indicator on the display or warning LED will also turns ON.

The hazard warning light indicator will automatically turn ON if both sides of the turn signals are flashing.

WARNING: NEVER EXCEED 18 Volts on the +12V digital inputs or it may damage your Dash7. Below 9 volts

(eg. during cranking) these inputs can be unstable and switch from ON to OFF unpredictably.

Digital Inputs switched to Ground (GND digital inputs):

Pin A4: Handbrake input switched to ground

Pin A5: Oil Press Switch switched to ground

When input is connected to the ground, indicator on the screen or LED will turns ON. These inputs has internal pull-

up resistors. These inputs tolerate ONLY GROUND (0 Volt) or MAX +5 Volts!!! Any other voltage will damage your

Dash7!!!

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