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MA50C - menTCS Vital AAR System Controller

IP65 SIL 4 Modular Train Control System for Safety in Transportation

The MA50C is the controller of the AAR sub-family of the menTCS Train Control System for safety-critical vehicle or wayside applications like PTC, ATO/ATC or ATP - only available in a project context.

Download data sheet

  • MA50C Product ImageMA50C AAR IP65 MEN Train Control System (menTCS) Controller for Rolling Stock, with F75P Safe CPU, RT Ethernet and I/O Boards
  • MA50C Product ImageMA50C Front View
  • MA50C Product ImageMA50C AAR Compliant IP65 Train Control System for ATO/ATC and ATP
  • MA50C Product Image
  • MA50C Product Image
  • MA50C Product Image

Main Features

  • SIL 4 modular Train Control System menTCS
  • Certified safe CPU board with 3 CPUs
  • Safe I/O boards (currently in certification process)
  • QNX safe operating system available
  • Certification packages available
  • Optional MVB, RS232, RS422, RS485, CAN, GPS
  • IP65 / NEMA-4 protected housing
  • For rolling stock and wayside applications
  • AAR S-9401 compliant housing concept - functional product only available in project context
MA50C Product Image

Technical Data

General System Characteristics
  • 6 MCU housing with status display
  • Slot and backplane set-up of the system
    • 1 PSU slot
    • 1 CompactPCI PlusIO system slot
    • 6 CompactPCI peripheral slots
  • Please contact MEN sales for component combination possibilities.
CPU Board
  • CPCI 3U Board
  • Configurable: yes
  • 3x Intel Atom E680T (1.6 GHz), 2x 512 MB, 1x 1 GB DDR2 DRAM, -40..+85°C qualified, conduction-cooled
    • More information on F75P Safe Computer
  • Mass Storage
    • SSD mSATA, 8 GB, -40 to +85°C
Real-Time Ethernet
  • CPCI 3U Board
  • Configurable: no
  • 4 Fast Ethernet; rear: real-time Ethernet (EBUS); -40..+85°C qualified, conduction-cooled
    • More information on F305 Real-Time Ethernet Interface Card
Safe I/O
  • menTCS I/O Board
  • Configurable: yes
  • Possible in option slots: 2, 3, 4, 5
  • Possible Configurations
    • 8 digital outputs, high-side switching, SIL 2 (SIL 4), -40° to +85°C (qualified components), conduction-cooled
    • 8 digital outputs, low-side switching, SIL 2 (SIL 4), -40° to +85°C (qualified components), conduction-cooled
    • 16 digital inputs, SIL 2 (SIL 4), -40° to +85°C (qualified components), conduction-cooled
MVB Multifunction Vehicle Bus
  • CPCI 3U Board
  • Configurable: yes
  • Possible in option slot: 1
  • Possible Configurations
    • MVB ESD+ Device, Process and Message Data, -40..+70°C screened, conduction-cooled
    • MVB ESD+ Bus Administrator, Process and Message Data, -40..+70°C screened, conduction-cooled
    • MVB EMD Device, Process and Message Data, -40..+70°C screened, conduction-cooled
    • MVB EMD Bus Administrator, Process and Message Data, -40..+70°C screened, conduction-cooled
Serial I/O
  • CPCI 3U Board
  • Configurable: yes
  • Possible in option slot: 1
  • Possible Configurations
    • Flexibly usable, e.g., for different types of serial I/O like RS422/485, RS232, CAN bus, GPS, and others
Power Supply
  • PSU 3U
  • Configurable: yes
  • Possible Configurations:
    • 120 W, 3U 6 HP PSU, wide range input 24 to 110 V DC, 24 V DC nom., output 12 V / 5 V / 3.3 V DC, -40..+85°C, qualified, conduction-cooled
    • 120 W, 3U 6 HP PSU, wide range input 100 to 240 V AC, output 12 V / 5 V / 3.3 V DC, -40..+85°C, qualified, conduction-cooled
  • One power inlet connector
Supervision and Control
Dedicated shelf controller monitors power, CPU status, temperature; controls fan; provides status LEDs and power button
    Front Interfaces
    • Ethernet
      • Four M12 connectors, 100BASE-T
    • I/O
      • Four 32-pin MIL-C connectors
    • Power
      • One power inlet connector
      • Power button
    • Status LEDs
    • Front display for system status and diagnostics information (optional)
    • Ground connector
    Electrical Specifications
    • Supply voltage
      • 24 V, 36 V, 48 V, 72 V, 96 V, 110 V DC nominal; 14.4 to 154 V max. (EN 50155) or
      • 100 to 240 V AC
      • Cranking voltage range 20 to 130 V DC (nominal 74 V DC)
      • Power interruption class S2 (10 ms) (EN 50155)
    • Power consumption
      • 100 W max.
    Mechanical Specifications
    • Dimensions
      • 6 MCU AAR conformal housing
    Environmental Specifications
    • Classification for railway applications
      • AREMA 11.5.1: Class I, Class J
    • Temperature range (operation):
      • -40°C to +85°C (qualified components) (AREMA 11.5.1: Class I, Class J; EN 50155, class TX)
    • Cooling concept
      • Air-cooled, natural convection
      • Conduction cooling inside the housing
    • Temperature range (storage): -40°C to +85°C
    • Humidity
      • AREMA 11.5.1: Class I, Class J; EN 60068-2-30; EN 50155
    • Vibration/Shock
      • AREMA 11.5.1: Class I, Class J; EN 61373:2010
    • Altitude: -300 m to +3000 m
    • Protection rating
      • IP65 (IEC 60529)
      • NEMA-4
    Safety
    • Functional Safety
      • Certifiable to SIL 1, SIL 2, SIL 3 or SIL 4 according to EN 50129
      • Hazard rate for safety functions <= 1E-9 / h
      • Control Processors configured for deterministic behavior, e.g., Hyper-Threading disabled, speed-step disabled, BIOS interrupts disabled
      • System maintains safe state after a failure
    • Electrical Safety
      • EN 50153:2014
    • Electrical Insulation
      • EN 50124-1:2001 + A1:2003 + A2:2005
    • Flammability (PCBs)
      • UL 94 V-0
    EMC
    EN 50121-3-2:2015: Rolling stock
    Software Support
    • I/O Domain
      • Linux
      • QNX
      • PACY (Process Data Framework for Cyclic Applications)
    • Safe Domain
      • QNX
      • PACY (Process Data Framework for Cyclic Applications)
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