• Ruggedized dual-CPU computer for reliable relay control signal aquisition from railroad automation systems
• ‘2 out of 2’ architecture
• 40 s run on internal UPS based on ultracapacitors
• CPUs and UPS are housed in low-maintenance fanless enclosure
• IP66-rated dust and moisture protection
• Operating temperature from -40 to +65 °C
• Shock handling up to 10g, Vibration up to 2g

The M-Max 400 RC is a highly reliable computer for building all-electric interlocking distributed systems. The system converts CAN-interface control signals (twisted pair or single-mode fiber) into relay control signals of railroad automation systems. The M-Max 400 RC uses ‘2 out of 2’ architecture for higher reliability. External relays are connected to control outputs in a way to get an AND circuit in signal control. Each computer has an independent power input and an internal UPS based on ultracapacitors, ensuring up to 40 seconds of operation with the input power cut off. The system allows to maintain 12 or 24 relays.

  • Technical Specifications *per each subsystem
  • Interfaces*: 12x or 24x relay outputs (24V, 132 mA, 2kVrms Isolation, each output is conducted by 2 controlled keys, power load from internal UPS, output short circuit control), 2х CAN interfaces, 1x 10/100/1000 Mbps Ethernet, VGA video output, 2x USB2.0, 1х RS-232/422/485 Isolated
  • CAN interface*: ISO 11898, Isolated, up to 1 Mbps or FO connector Type: ST (single-mode) fiber ports, Transmission Distance: Max 20 km (1 Mbps)
  • Operating system*: Linux / Windows 7, 8, 10 / QNX
  • Power*: +12 to +30 V DC (non-isolated), AC adapter ~100 to 240 V (optional)
  • Power Consumption (**for whole system): 80 W
  • Enclosure: Aluminum enclosure Passive cooling system (no fans)
  • Mechanical (W x H x L)**: 294 x 145 x 275 mm (without end caps and connectors)
  • Operating Temperature: -40 to +65 °C, Complies with MIL-STD-810G (High temp. method 501.5, Low temp. method 502.5, Procedure I, II)
  • Humidity: Operating: 5 to 95 % at +25 °C, non-condensing
  • Vibration: Operating acceleration amplitude up to 2g. Complies with MIL-STD-810G (Method 514.6, Procedure I, Category 14)
  • Shock: Maximum peak shock acceleration up to 10g (11 ms). Complies with MIL-STD-810G (Method 516.6, Procedure I)
  • Dust/Moisture: IP66

MicroMax, founded in 1979, is an engineering company, designing specialized computer systems for mission critical applications, with customers in the transportation (rail, marine, air) & various industrial/ manufacturing enterprises. MicroMax also maintains offices in Russia. Representing over two dozen manufacturers of computer boards and specialized electronics for automation/control, enables MicroMax to offer the best prices, state of the art equipment, knowledge of the marketplace as well as the latest technological developments to our clients. •Extra durable ruggedized computers protected from dust, moisture and other environmental hazards designed to perform in all environments under almost any condition from the rigors of an offshore oil rig to the intense shock and vibration of a space shuttle. •Subsystems for Computer Based Interlocking (CBI)/Automatic Train Control (ATC) railroad applications, in full compliance with CENELEC SIL4 spec with extraordinary immunity to all kinds of disturbances. •On-board/field multifunction systems for use in harsh environments, with very high MTBF/MTBS •Design/production of customized enclosures for harsh environments including ATR type enclosures / systems for avionics •Rugged Embedded SBC designed and built with all components approved to operate in the -40°/+85°C range, with a high degree of shock/vibration protection and special conformal coating to protect boards from moisture and other corrosive substances, with a high MTBF

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