Train Tracking Using Frauscher Axle Counters

Grade Crossing Control Systems:

Increased availability with Frauscher Axle Counters for Crossing using Track Circuits

  • The Frauscher Advanced Counter FAdC is not affected by rusty rails, snow, road salt, flooding, debris or conductivity
  • No drilling of rail required to install Wheel Sensors RSR180
  • Flexible and configurable outputs including relay and Ethernet-based solutions
  • Vital, SIL 4 fail-safe system that’s detects trains up to 280 mph
  • Remotely accessible diagnostics for preventative maintenance with the Frauscher Diagnostics System FDS reduces overall costs and worker time on track
Grade Crossing Control System

Rail Road Crossing

Application Options:

In DC track circuit-activated crossings, the replacement of only the island circuits with axle counters 

  • Island circuits are the most challenging part of DC track circuit-based crossings, since they easily collect road salt and debris
  • In this application, only the island circuit (middle track section) is replaced with two Wheel Sensors RSR180 (TS 2 in figure below)

Full replacement of DC track circuits that activate crossing

  • Axle counters interface with existing crossing controllers using the optocoupler, relay or Ethernet outputs
  • The DC track circuits in the crossing are replaced for all track sections (TS 1, TS 2, TS 3 in figure below)

Track Section Diagram

Switch Point Protection and Yard Automation 

Increasing Uptime, Reliability and Worker Safety

  • Use of wheel sensors and axle counters in years where hand-thrown switches and manual routing procedures are being utilised can improve efficiency and safety
  • The Frauscher Advanced Counter FAdCi system offers switch and flank protection, zero speed capability and handling of vehicle wheel rocking
  • Offers quick release of switches after traversing to route next train, provides flank protection to switches, and tracks axle counts within configurable track sections
  • Provides high uptime and availability in busy yard environments – increases safety as workers are not required on track for switching manoeuvres

Application Options:

For fully automated yard applications: 

  • The FAdCi is a vital, SIL 3 fail-safe axle counter, used in conjunction with the Wheel Sensor RSR180
  • FAdCi detects trains from zero speed to 50mph
  • Minimal maintenance is required 
  • The FAdC is also available, offering SIL 4 fail-safe protections and train detection from zero speed to 280mph

In switch point protection only solutions:

  • The Frauscher Wheel Sensor RSR110 is installed around each switch
  • Train detection can occur via analog signal. Digital output is also available
Axle Counter

Axle Counter installed onto tracks

Track Circuits vs. Axle Counters

Track Circuits: 

  • Reliability can decrease due to unavoidable factors such as flooding, snow, road salt, rusty rails, debris, etc.
  • Installation and especially life-cycle maintenance costs are high
  • Track section length is limited to two miles maximum
  • Frequent maintenance and train passage required (every few days) to prevent rusty rails and decreased conductivity
  • Drilling of the rail and insulated rail joints are required for installation. Insulated rail joints are expensive to maintain
  • Wiring could make removal of track circuit difficult, so damage may occur during routine track maintenance
  • Capabilities include track vacancy detection, rail break detection (if clean break) and cab signalling

Axle Counters:

  • Virtually immune to environmental factors such as flooding, snow, road salt, rusty rails, debris (can be affected by metallic debris), etc.
  • Low installation, maintenance and life-cycle costs
  • Track section length is theoretically unlimited, depending on network structure (important for dark territory applications)
  • Low maintenance requirements due to remote calibration and diagnostics, reducing need for regular maintenance. Train passage required only once in two years
  • Wheel sensors are attached to the rail, without drilling, with the rail claw. Each sensor can be installed in about five minutes
  • The rail claw will permanently attach the sensor to the rail; however, it can also be easily removed, height adjusted or relocated if needed for track maintenance
  • Capabilities include track vacancy detection, determination of speed, train direction and number of axles

Visit us at Railway Interchange Booth #3756

Contact Frauscher Sensor Technology

Use the form opposite to get in touch with Frauscher Sensor Technology directly to discuss any requirements you might have.

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Track More with Less

Frauscher Sensor Technology makes it simpler for system integrators and railway operators to obtain the information they need to run, monitor and protect their operational network. Best-in-class train wheel detection systems, axle counters and tracking solutions based on inductive sensor technology and Distributed Acoustic Sensing (DAS) form an essential component of a wide range of applications. Frauscher experts are on-site in global markets to ensure comprehensive support during the whole customer life cycle. Additionally customers are able to design, configure, install, adapt and maintain all components and systems by themselves due to individual trainings and support.

Product Portfolio

Train Wheel Detection: Axle Counting: Tracking: [gallery ids="11932,13119,13117"]

Train Wheel Detection

Many years of worldwide experience have enabled Frauscher to develop wheel sensors that are characterised by maximum availability. Even when subjected to extreme temperatures, vibrations and electromagnetic interference, Frauscher wheel sensors generate reliable data for both vital and non-vital applications. The patented rail claws and the plug-in connection available on some models also facilitate the mounting of Frauscher wheel sensors significantly. Additionally simple maintenance cycles guarantee minimal life cycle costs. For realising vital applications, Frauscher provides its customers with proven train wheel detection systems. With its analogue interface, the RSR110 can be integrated into various applications and systems simply and quickly.

Axle Counting

Frauscher axle counters are able to provide higher-level systems with a great deal of information beyond just train detection. At the same time, they can be integrated very effectively into interlocking and signalling systems using state-of-the-art software and hardware interfaces. Connection to a high-performance electronic interlocking is possible both via a customer-specific interface and the freely available Frauscher Safe Ethernet FSE protocol. All Frauscher axle counters have been structured in such a way that they are modular and scalable. They can be quickly and easily configured, commissioned, maintained and adapted by both system integrators and operators. Various tasks during installation and operation can be accompanied by innovative tools, such as the Frauscher Configuration Tool FCT or the Frauscher Diagnostic System FDS. Frauscher offers three axle counting systems in order to provide the most effective solution for all functional, operational and infrastructure-related requirements.


Based on the principle of Distributed Acoustic Sensing (DAS), Frauscher Tracking Solutions FTS form a new generation of live tracking. They enable applications for train tracking, asset condition monitoring and security requirements by using only one single solution – on and near the tracks. It is possible to detect passing trains, wheel flats, rail defects, footsteps on or near the cable, works such as sawing or digging, rock falls, animal herds and more in real-time. To increase data quality, FTS can be combined with proven axle counters and wheel detection systems. Thus Frauscher can provide its customers with massively expanded options. [gallery ids="11936,11935,11934"]

Essential Components for Various Applications

Control trains and systems: Precise detection and tracking of train movements enable an efficient train control management. Frauscher systems provide information required for track vacancy detection (SIL 4), to manage level crossings, for switching point protection or platform announcements and further applications. Monitor the condition of trains and infrastructure: Globally proven train wheel detection systems provide highly precise information for reliable and safe triggering of trackside monitoring equipment. Furthermore, tracking solutions offer innovative possibilities to directly monitor train as well as infrastructure assets without the need of any on-board equipment. Protect personnel and infrastructure: The ability of detecting all kinds of activities along a track forms the basis for efficient protection of personnel, vehicles, trespassers or even animals. These capabilities can also be used for securing infrastructure components from cable thefts or vandalism.

Simple Access to the Information You Need

Technologies for a broad range of information: Frauscher provides customers with a broad range of relevant and precise information by developing best-in-class sensors based on inductive sensor technology and on distributed acoustic sensing. Systems that can be integrated and handled in a simple way: Due to open interfaces Frauscher solutions can be simply integrated into any infrastructure on various levels. The smart system architecture enables to use wheel detection, axle counting and tracking systems as stand-alone or integrated solution. Support for complete success in your projects: Frauscher’s customer proximity and technical know-how on-site in the markets enables answering requirements with tailored solutions. This enables to guarantee an outstanding support during the whole customer life cycle. [gallery ids="11933,11931"]

Quality and Services for All Requirements

Headquartered in Austria, Frauscher has installed over 160,000 systems in over 80 countries worldwide. The company and its products are accredited to ISO 9001, ISO 14001 and OHSAS 18001. Frauscher axle counters fully comply with CENELEC and SIL 4 safety standards and offer the highest level of performance and reliability. With more than 370 staff and locations in USA, Brazil, UK, France, Poland, India, China, Australia, Kazakhstan and Malaysia Frauscher is fully equipped to provide technical as well as commercial solutions based on local requirements. Frauscher’s customer base includes some of the largest and most well-known railway systems around the world. As an example, all major European railroads use Frauscher axle counters in signalling applications, including DB, Network Rail (UK), OBB, SSB as well as some of the most advanced metro and transit networks. Global signalling companies like Siemens, Alstom, Ansaldo, Hitachi, CRSC, Bombardier trust in the reliability, precision, versatility and highly developed technology that Frauscher offers in its products.

Frauscher Markets

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