Safety - Critical Embedded Solutions For Railways
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AC Controller Board For Trains
  • Micro smart controller system to monitor and control the AC subsystem in the indian railways AC coaches
  • Designed and developed as per the RDSO specifications
  • Approved by RDSO and installed in Indian railways AC coaches
  • System consists of a control unit and a 7-inch TFT display unit
  • Control unit monitors and controls the AC subsystem by sensing the temperature and humidity
  • Faults and Events are stored in the non-volatile memory
  • All system parameters and faults are displayed in 7-inch TFT display. User buttons are available for modifying the system configuration
  • Faults and events are sent through GPRS to a server for remote monitoring
  • Modbus interface for an external interface
Design Capabilities For Railways
  • Expertise in CBTC systems
  • Safe and reliable hardware/software solutions
  • Interlocking and In-vehicle solutions
  • Technological retro or retro technology for legacy systems
  • Technological solutions for test and maintenance
Intelligent Input/Output Cards
  • Intelligent input/output cards to process real time high voltage signals
  • Optical isolation for high voltage signals
  • Each card to interface 5 high voltage signals and transport it as RS485 packets
  • EMC/EMI tested, elevated temperature tested at +55 degree centigrade
  • Input/Output cards test setup (Actual cards mounted in Racks)
  • 50+ daisies chained cards
  • 250+ signals multiplexed
  • Multiplexed signals carried over RS485 to a gateway
  • Monitors the Trackside device Axle Counter health
Intelligent Data Logger System
  • System designed for preventive maintenance of trackside devices
  • Monitors the trackside device axle counter health
  • Data logger hardware is connected to each trackside device
  • Data loggers networked via RS485 or Ethernet to form a private network
  • Axle Counter health data is periodically collected by each data logger
  • 7 days of health data locally stored
  • USB interface to collect the data locally
  • Gateway collects data logger data periodically and uploads it to the cloud
Wireless Train Control Simulator
  • Emulate train control signals
  • Targeted for maintenance purposes in the absence of trains
  • Handheld battery operated
  • Binary FSK communication system
  • HDLC protocol on top of the physical RF channels
  • Antenna for low-frequency RF transmission
  • Atmega328P-AU, SPI, UART, HDLC, EEPROM, RF transmitter and RF demodulator ICs
Conversion To IP Network
  • System to replace legacy network to IP network
  • Proprietary railways protocol to IP protocol
  • Geographically distributed nodes built on intel processors
  • Data and error logging mechanism for nodes
  • Remote monitoring and configuration of nodes
AC Coach Controller
  • Double decker AC coach controller
  • 110V digital inputs – 22 numbers, relay outputs - 20
  • Controls 4 compressors, 4 condensers, 4 blowers and 2 heaters
  • 6 temperature sensors for source air, return air and fresh air
  • Humidity and pressure sensors
  • Modbus interface
  • Faults and events logged in internal EEPROM
  • GPS/GPRS interface for remote monitoring
  • 7 inch TFT display
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