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MRS Electronic · Displays and HMI’s

MRS MConn Mini – 2.4″ CAN Display

With its 2.4-inch color display, the MRS MConn Mini is the smallest of the MConn series. The product can be programmed according to your requirements and can be used for a wide range of applications, including as a display outside the driver’s cab. You can freely define your desired functions for the 4 capacitive buttons. As a cost-efficient solution, the MConn Mini is generally used for the acquisition and display of sensor data on the display. Individual values can be written to the internal memory. With the aid of a light sensor, the display also measures the light values of the environment and thus regulates the background lighting. The MConn Mini is also available as a variant with a waterproof M12 connector and is thus even better protected against external influences.

MRS MConn Mini – 2.4" CAN Display

Highlights

  • Operating voltage: 9-32 V
  • 1 x CAN interface
  • 32 bit processor
  • Ingress protection: up to IP6K8
  • Temperature: -20 … +60°C

Programming and use

  • Programming with MRS Applics Studio

Technical Specifications

Interfaces
CAN interface(s) 1
LIN interface(s) 1
Mechanical Properties
IP rating up to IP6K8
Housing material ABS housing
Dimensions 73.5 × 70 × 23 mm
Programming
Programming software MRS Applics Studio
General Information
Temperature range -20 … +60°C
Operating voltage 9-32 V
Current consumption 87 mA
Quiescent current (12V) 0.6 mA
Quiescent current (24V) 0.7 mA
Processor architecture 32 bit

Order options

1.157.300.0100 IP6K8, M12 connector, Wake-up possibility via CAN Bus
1.157.302.0120 LIN interface with Master/Slave, IP6K8, M12 connector, Wake-up possibility via CAN Bus or LIN Bus

Display, buttons and ambient light

According to the datasheet, the MConn Mini has a 2.4-inch IPS colour TFT display with 320×240 resolution, 500 cd/m² brightness and a viewing angle of up to 80°. The housing is black ABS with a PMMA front screen and the unit weighs 100 g. The 4 capacitive buttons are configurable and give LED and acoustic feedback; the display also has a switchable backlight controlled by an ambient light sensor and an acoustic signal.

Communication, supply and protection

  • The CAN interface is CAN 2.0 A/B (ISO 11898-2 and 11898-5) and CAN-FD capable.
  • Overvoltage protection starts at about 33 V, and the unit has reverse polarity protection.
  • Temperature: operation -20 … +60 °C, storage -30 … +80 °C. Environmental protection according to ISO 20653 is IP 6K8.
  • In the datasheet pin assignment of the NMEA plug variant, pin 4 is CAN high, pin 5 is CAN low and pin 1 is the optional LIN bus.

Programming and accessories

The MConn Mini is programmed with MRS Applics Studio. The accessories list in the datasheet includes the Applics Studio Bundle (1.100.200.00), a Mini Display cable harness for programming (503838), a PCAN-USB interface (105358) and an NMEA 2000 connector kit (302392).

Use in projects

The MConn Mini is used in our CAN-based tank level monitoring solution for fire trucks, together with the MRS Micro PLC CAN 4 ANA controller and 2 pressure sensors: CAN tank level monitoring for fire trucks. See MRS Micro PLC CAN 4 ANA for the controller, and MRS Electronic and Displays and HMI units for other products.

EHR Elektronik develops application software for MRS Electronic control units.

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Frequently asked questions

Can the button functions be changed?

Yes. You can freely define the functions of the 4 capacitive buttons; according to the datasheet they are configurable and give LED and acoustic feedback.

Is there a version with a LIN interface?

Yes. Order option 1.157.302.0120 offers a LIN interface that can be selected as Master or Slave; the connector and the IP6K8 protection class are listed in the order table.

Can it be used outside the driver’s cab?

Yes. The product can be used in a wide range of applications, including as a display outside the driver’s cab; its environmental protection according to ISO 20653 is IP 6K8.

What is the MConn Mini programmed with?

With MRS Applics Studio. It is programmed according to your requirements; what the display shows depends on the application.

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