Built for the Cab
Engineered to EN 50155 for the shock, vibration, temperature, and EMC that rail service delivers daily, so the driver's window into the train stays reliable for the life of the rake.
Rail & Rolling Stock · Made in India
HMI Display: The Driver's Window Into the Train
The Bacancy Systems HMI display puts live TCMS data in front of the driver and clear service information in front of passengers, all on a rugged platform engineered to EN 50155 for the shock, vibration, and heat of rail duty. Designed, populated, and tested in-house in Ahmedabad, it connects to the train over Ethernet and TRDP and stays readable when the sun floods the cab.
- EN 50155
- Driver Cab
- Passenger Info
- TRDP / Ethernet
Technical Overview
HMI Display 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.
| Parameter | Specification |
|---|---|
| Standard Compliance | EN 50155 & EN 45545-2 (rolling stock electronics & fire safety) |
| Display Sizes | Multiple diagonal options for cab and saloon duty |
| Brightness | High-brightness, sunlight-readable panel |
| Touch | Projected capacitive touch, glove operable |
| Interfaces | Ethernet | TRDP |
| Front Protection | Sealed front bezel for cab environments |
| Operating Temperature | EN 50155 temperature class |
| Shock & Vibration | EN 61373 |
| Supply Voltage | 24 V DC to 110 V DC nominal, per EN 50155 voltage classes |
| Origin | Designed, populated & tested in-house at Ahmedabad, India |
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Years of embedded engineering
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Rail & rolling stock products
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Facilities in Ahmedabad, India
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In-house design & test
Why Bacancy Systems HMI
Everything the Train Knows, in Front of the Driver
A TCMS is only as useful as the screen that shows its data. We engineered the display side of the equation the same way we engineered the control side: standards-first, network-native, and built to outlast the duty cycle.
01 02 Readable in Full Sun
A high-brightness, optically clear panel keeps subsystem status and fault alerts legible when sunlight floods the cab, exactly when a driver needs the screen most.
03 Speaks TCMS Natively
The display connects to the train network over Ethernet and TRDP, surfacing live data from the Bacancy Systems TCMS Unit or a third-party control platform without a translation layer.
04 One Family, Two Duties
Driver cab variants prioritize control and fault visibility, passenger variants carry route and service information, and both share one hardware platform and one supplier.
05 Full Stack From One Vendor
The display joins the Bacancy Systems TCMS Unit, MVB / TRDP module, and validation toolchain, so control, communication, and the screen that shows it all come from one Indian manufacturer.
Where It Runs
From the Driver's Desk to the Last Coach
One display family covers the cab, the saloon, and the depot, and because every variant shares the same rail-grade platform, spares and integration effort stay small across the fleet.
Driver cab HMI for metro, suburban, and mainline stock
Passenger information displays in saloons and vestibules
Depot diagnostic and maintenance terminals
Cab modernization in mid-life retrofit programs
Integration labs and TCMS test benches
Get In Touch
Tell us what you're building.
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.
Email
[email protected]
Phone (Indian HQ)
+91 99099 33000
Corporate House
15-16, Times Corporate Park, Thaltej, Ahmedabad, Gujarat 380059
<24h
Avg response time
90%
Repeat client rate
96%
Project success rate
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FAQ
HMI Display: Frequently Asked Questions
A rail HMI (Human Machine Interface) display is the screen through which the driver monitors and interacts with the train. It surfaces TCMS data such as traction status, brake state, door status, and fault alerts, and in passenger variants it presents route, station, and service information throughout the saloon.
Yes. The display is engineered to EN 50155, the international standard for electronic equipment on rolling stock, covering the temperature, humidity, shock, vibration, and EMC conditions of rail service.
Yes. The display connects to the Train Control and Management System over the train network, so drivers see live subsystem status from the same platform that controls the train. It also integrates with third-party TCMS platforms over standard train communication interfaces.
The platform supports both duties. Driver cab variants prioritize control interaction and fault visibility, while passenger information variants present route and service content, so one display family covers the whole train.
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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Specifying Displays for Your Cab or Saloon?
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