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Thales' flagship axle counter system for train detection

Versatile, Safe, Secure & Reliable in operation

Thales’ best-selling Axle Counter System Az LM combines the experience of axle counter dedication since 1965 with the latest technology for safe, secure, reliable and cost-efficient train detection. This comprehensive multi-section axle counter solution capable of managing almost any train detection application.

Axle counter system Az LM

Driven by the need to have a reliable train detection system with life cycle costs far below that of track circuits, axle counter systems are being deployed by an ever increasing number of infrastructure managers.

The increasing number of passengers on main line, suburban rail, metro and tramway as well as freight transport on main line, has fuelled the need for an axle counter system which,

  • is pushing line availability further without compromising on cost or complexity and
  • integrates seamlessly into the classic signalling systems (block signalling), contemporary signalling systems (moving block signalling with intelligence in the infrastructure) and signalling systems of tomorrow (automatic train operation with intelligence on the train).
Result of Thales investment into the continous improvement of its axle counter system Az LM is,
  • the unique availability engineering, which goes beyond features of the product and
  • the breakup of the system up into objects, which communicate over IP networks, using where available open protocol standards
<br/><br/><br/>Easy track maintenance



Easy track maintenance
» top mark clearance for the wheel sensor

» wheel sensor mounting over the sleeper

» tamping and grinding over mounted wheel sensor

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<br/><br/><br/>Availability Champion



Availability Champion
» 2oo2 as well as 2oo3 systems according to SIL4

» automatic restoration of temporary disturbances

» redundant detection points in critical areas

» fully redundant systems

Compatible
Compatible
» Digital and analogue interfaces

» IP interfaces

» Standard (Eulynx) and vendor specific interfaces available
<br/><br/>Robust wheel detection


Robust wheel detection
Wheel detection cannot be disturbed or falsified by
» neither coins, keys, safety boots nor other metal objects

» axle oscillation and small wheel flanges

Proven
Proven
» more than 150,000 wheel sensors in SIL4 application in main line and urban rail
» more than 50 infrastructure managers have chosen Az LM
<br/>Infrastructure and operating costs

Infrastructure and operating costs
» Thales Az LM keeps the infrastructure manager’s investments into axle counter systems low over the whole life time
<br/>CAPEX

CAPEX
» for classical architectures with copper cabling: cable cost saving with only 1 wire pair per detection point,

» for all IP architectures: every interface of Az LM can be put on an IP network.

<br/><br/>OPEX


OPEX
» availability champion,

» virtually maintenance free,

» no cost for dismounting of wheel sensors for tamping and rail grinding,

» strong obsolescence management offering fit-form-function replacements over decades.

<br/><br/><br/>Line availability



Line availability
Az LM customers profit from its unique availability engineering:
» custom-tailoring of the availability of the system to the concrete need, keeping the recovery time after a service affecting failure well below threshold

Availability engineering comprises:

» the design of the product,
» all interfaces to its environment (e.g. electro-magnetic compatibility),
» maintenance procedures and
» component failure prediction.
<br/><br/><br/>Versatile



Versatile
Due to the modular architecture, Thales axle counters integrate seamlessly into any signalling system architecture, no matter if centralised or decentralised.
» Successful cases for any application:

main line
urban rail
mixed gauge tracks
<br/><br/><br/><br/>Training




Training
Know-how transfer scalable to any investment policy.
Thales University trains:

» engineering staff as well as ,
» installation and maintenance staff,
» subject matter experts and trainers
for any Thales axle counter systems.

»Training offered over decades, allowing staff termination without knowledge being lost.

The solution

Axle counter systems Az LM

Driven by the need to have a reliable train detection system with life cycle costs far below that of track circuits, axle counter systems are being deployed by an ever increasing number of infrastructure managers.

The increasing number of passengers on main line, suburban rail, metro and tramway as well as freight transport on main line, has fuelled the need for an axle counter system which,

  • is pushing line availability further without compromising on cost or complexity and
  • integrates seamlessly into the classic signalling systems (block signalling), contemporary signalling systems (moving block signalling with intelligence in the infrastructure) and signalling systems of tomorrow (automatic train operation with intelligence on the train).

Result of Thales investment into the continous improvement of its axle counter system Az LM is,

  • the unique availability engineering, which goes beyond features of the product and
  • the breakup of the system up into objects, which communicate over IP networks, using where available open protocol standards
The solution

Axle counter systems Az LM

Driven by the need to have a reliable train detection system with life cycle costs far below that of track circuits, axle counter systems are being deployed by an ever increasing number of infrastructure managers.

The increasing number of passengers on main line, suburban rail, metro and tramway as well as freight transport on main line, has fuelled the need for an axle counter system which,

  • is pushing line availability further without compromising on cost or complexity and
  • integrates seamlessly into the classic signalling systems (block signalling), contemporary signalling systems (moving block signalling with intelligence in the infrastructure) and signalling systems of tomorrow (automatic train operation with intelligence on the train).

Result of Thales investment into the continous improvement of its axle counter system Az LM is,

  • the unique availability engineering, which goes beyond features of the product and
  • the breakup of the system up into objects, which communicate over IP networks, using where available open protocol standards

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