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Rail & Rolling Stock · Made in India

TCMS Simulator: Validate Train Control Logic on the Bench

The Bacancy Systems TCMS Simulator recreates traction, braking, doors, HVAC, and passenger information as simulated subsystems over MVB and TRDP networks, so engineering teams prove Train Control and Management System logic before it ever boards the rake. Designed, populated, and tested in-house in Ahmedabad, it turns commissioning surprises into routine bench findings.

  • MVB / TRDP
  • IEC 61375
  • Fault Injection
  • Test Bench
Technical Overview

TCMS Simulator Technical Specifications

Every specification here is proven by our own engineers. Bacancy Systems' rolling stock team designs, populates, and tests each board in-house at Ahmedabad, backed by 16+ years of embedded engineering across EN 50155, IEC 61375, and mission-critical rail electronics. It is world-class railway technology, engineered in India and built to serve fleets anywhere.

ParameterSpecification
Simulated SubsystemsTraction | Braking | Doors | HVAC | Passenger Information
Communication ProtocolsMVB (Multifunction Vehicle Bus) | TRDP per IEC 61375 | CAN | Ethernet
Simulated NodesConfigurable multi-node simulation per consist
Fault InjectionNode dropout | Telegram delay | Data corruption scenarios
Scenario ControlScripted, repeatable test sequences with logging and replay
Host InterfaceEthernet-connected host software for test authoring and monitoring
Hardware-in-the-LoopRuns against the Bacancy Systems TCMS Unit or target control hardware
SupplyBench supply, 24 V DC nominal
Form FactorBenchtop test rack
OriginDesigned, populated & tested in-house at Ahmedabad, India
  • 0+

    Years of embedded engineering

  • 00

    Rail & rolling stock products

  • 00

    Facilities in Ahmedabad, India

  • 0%

    In-house design & test

Why Bacancy Systems Simulation

Find the Faults on the Bench, Not on the Rake

Every hour of TCMS debugging on a real train costs track access, crew time, and schedule risk. We built the simulator so those hours happen at a desk instead: scripted, repeatable, and logged.

  • 01

    A Full Train on One Bench

    Traction, braking, doors, HVAC, and passenger information appear to the TCMS as live subsystems, so control logic is exercised end to end without booking time on a real rake.

  • 02

    MVB / TRDP / CAN Native

    The simulator speaks both the Multifunction Vehicle Bus and Ethernet-based TRDP under IEC 61375, matching the exact network conditions the TCMS will see in service.

  • 03

    Fault Injection on Demand

    Drop a node, delay a telegram, corrupt a data frame. The failures that take weeks to reproduce on a train take seconds on the bench, and the TCMS response is logged every time.

  • 04

    Repeatable, Scripted Scenarios

    Every test run is a script that can be replayed after each software change, turning TCMS regression testing from a commissioning risk into a routine desk exercise.

  • 05

    One Toolchain, One Vendor

    Pair the simulator with the Bacancy Systems TCMS Unit and TRDP System Validator for a complete build-and-prove workflow from a single Indian manufacturer.

Where It Runs

From First Integration to Fleet-Wide Regression

The same bench serves a new-build integration lab, a supplier acceptance test, and a refurbishment program proving retrofitted control logic, and because every scenario is a script, results stay comparable across all of them.

  • TCMS software validation before commissioning

  • Factory and supplier acceptance testing

  • Regression testing after TCMS software updates

  • Mid-life retrofit and refurbishment program validation

  • Engineer training without occupying revenue rolling stock

Bacancy Systems rolling stock electronics mapped across a train
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Share a few details about your project — power class, timeline, certifications you need — and our embedded engineers will respond within one business day with a tailored proposal, not a sales pitch.

  • <24h

    Avg response time

  • 90%

    Repeat client rate

  • 96%

    Project success rate

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FAQ

TCMS Simulator: Frequently Asked Questions

  • A TCMS simulator is a test bench that recreates the subsystems of a train, such as traction, braking, doors, HVAC, and passenger information, as simulated nodes on a train communication network. It lets engineering teams run the Train Control and Management System against a virtual train, so control logic is proven on the bench before commissioning on real rolling stock.

  • The simulator communicates over the Multifunction Vehicle Bus (MVB) and the Train Real-time Data Protocol (TRDP) under the IEC 61375 Train Communication Network family, so it can exercise both legacy and modern Ethernet-based TCMS architectures.

  • Yes. Test engineers can drop simulated nodes, delay telegrams, and corrupt data to observe how the TCMS responds under failure conditions, which is exactly the behavior that matters most for safe rail operation.

  • Yes. The simulator is built as the validation companion to the Bacancy Systems TCMS Unit, running hardware-in-the-loop tests against the real control computer. Paired with the TRDP System Validator, it forms a complete bench validation toolchain for rolling stock control logic.

  • Every board is designed, populated, and tested in-house at Bacancy Systems' facilities in Ahmedabad, India. It is a Make in India product backed by 16+ years of embedded engineering experience.

Complete The Stack

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Ready to Put Your Control Logic on the Bench?

Tell us which subsystems, protocols, and test scenarios matter to your program, and our rolling stock engineers respond within one business day with a tailored proposal, not a sales pitch.

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