MMIC control unit

Operating philosophy

The control units MMIC of the MESA26 train radio family are designed for menu-guided control of digital and analogue train radio. They fulfil the requirements for use on rail vehicles and are designed for console installation in the driver's cab. With the aid of an intercom system consisting of a handset and loudspeaker, the train driver is able to carry out a wide range of communication tasks.

Funkwerk control panels are developed in accordance with specifications and European standards and are characterised by their innovative and intuitive user guidance. Functions that can be carried out without orientation on the display can be executed using hardkeys. All other functions are controlled via the softkeys. This makes operation easier for the user and also allows the flexibility of functional changes without the need for hardware.

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Keys

The design of the key symbols is based on DIN CLC/ TS 50459-5:2008-05; VDE V 0831-459-5:2008-05 Part 5. The extensive railway-specific functions are mainly controlled via the keypad with its 10 hard keys and 14 soft keys.

Hardkeys

Keys with fixed function assignment independent of the current menu level. The following functions are designed as hard keys:

Emergency call

Call to the dispatcher

Call to the train attendant

Train announcements

Call Lok - Lok

Up direction button

Down direction button

Confirmation of the selection made

Resetting the train radio system

Menu

All other operating functions are activated via softkeys.

Softkeys

The functional assignment of the softkeys is shown in the immediately adjacent area of the display and depends on the radio system set and the current menu level.

Consistent assignment of functions to the same softkeys in the menu levels and an optimised display size make it easy for the driver to perform all operating actions during the journey.

Technical data

Dimensions & weight

Construction method

Closed housing

Height

116 mm

Width

296 mm

Depth

81 mm

Weight

2.1 kg

Display

EFFECTIVE VISIBLE AREA

171 x 61 mm

RESOLUTION

800 x 480 pixels

READING ANGLE AT 25 °C

Vertical: ±80°, horizontal: ±80° (for CR ≥ 10)

Ambient conditions

PROTECTION CLASS

Front side: IP54 according to DIN EN 60529
Rear side: IP44 according to DIN EN 60529

VIBRATIONS AND SHOCKS

according to DIN EN 50155

EMC

in accordance with DIN EN 50121-3-2 and DIN EN 50155

Climatic conditions

OPERATING TEMPERATURE RANGE

-25 °C to +70 °C

STORAGE TEMPERATURE RANGE

-40 °C to +70 °C (in original packaging)

MAXIMUM GRADIENT

± 1 °C/min Ambient temperature

MAXIMUM HUMIDITY

75 % annual average

RELATIVE HUMIDITY

according to DIN EN 50155

ALTITUDE AND PRESSURE FLUCTUATIONS

-100 m to 1800 m above sea level

Interfaces

X1: CENTRAL UNIT / CR26

25-pin D-Sub

X2: HANDSET

9-pin D-Sub

X3: LOUDSPEAKER

9-pin D-Sub

X4: DIGITAL INPUTS AND OUTPUTS

9-pin D-Sub

X5: RS422 (DATA APPLICATION/IFS)

15-pin HD-D-Sub

OTHER

Brightness sensor, protective conductor

Power supply

RATED INPUT VOLTAGE

24 / 48 VDC (on-board power supply)

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Product folder

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