Thales azlm axle counter block diagram sk1 count heads sk1. It simultaneously can evaluate up to 32 detection points zp30h and monitor up to 32 sections independently of the state of the track and of the section. Digital axle counter field unit dacfu it detects axles by using axle detector comprising of tx and rx coils. The cable is used in systems for axle counter train detection. Manufacturers of axle counter equipment there are several major manufacturers of axle counter equipment in the marketplace today. Thales to replace endoflife axle counters in netherlands railtech. In such situation, the axle counter reset button azgrt can be applied to reset the axle counters of the track section, and thus clear the track from being occupied. Replace an axle counter evaluator card part 04ax01 06 replace a thales azl axle counter count head or lineside amplifier part 04ax02 07 replace a thales azlm axle counter rail contact part 04ax03 06 replace a thales azlm axle counter eak unit part 04ax04 06 replace a thales azlm axle counter eak board part 04ax05 06. Thales axle counters and that in turkey there was a mix of detection systems, with track circuits presenting. Only one stick function is required reset scenario 2 the axle counter heads are located such that path a extends beyond the clearance point for the turnout. Additional suppliers manufacture similar equipment on a smaller scale for specific applications.
It is microcontroller based an d has redundant pow er supply a rrangement. Track circuits safety in track vacancy detection and broken rail detection blake a. Thales axle counter essentials presentation by geetha. Azlm thales 6315 fieldtrac with reset module box erbm02 technical features and configuration azlm can simultaneously evaluate up to 32 detection points and monitor up to 32 sections, independent of track state and section length.
Axle counters are installed as part of the signaling systems on railways and serve to establish whether or not critical track. Transnet freight rail place where goods, works or services are required. Nrsig11231 signal maintenance testing nrsmthpart 04. Azlm configuration the first and last detection point connected to each axle counter will be configured as a single entry single exit superblock track. Thales is a worldwide leader of signalling for main line and urban rail operators with over 50 customers in more than 100 countries. Thales bestselling axle counter system az lm combines the experience of axle counter dedication since 1965 with the latest technology for safe, secure, reliable and costefficient train detection. Thales helps customers to get the most out of their transport. This detection functionality is achieved by sensing or counting each set of wheels or axle which passes over a counter pair. This is a necessary, but insufficient, component of an axle counter. In essence, an axle counter system is used for counting the number of train axles coming in and out of a section of rail track. Joachim janle from thales, germany, explained how a fibreopticbased counter has been developed that eliminates these deficiencies.
It is preferable these days to run cables through hollow sleepers instead, but where this isnt practical, this installation is acceptable. Download as ppt, pdf, txt or read online from scribd. In this case, occupied state of analog axle counter was masked by the clear state of ssdac since the section was actually clear. Allocation of evaluators mndt ansaldo academy topic eight. The outdoor equipment is the zp 43 wheel detection equipment. Subject paralleling of analog and digital axle counters. Thales axle counters provide vital train detection for a variety of applications. Abr axle counter reference direction ac alternating current ace axle counter evaluator az l90m name of thaless multiple section axle counter predecessor of az lm az lm name of the axle counter system described in this document aza ace azl 7030 name of thaless single section axle counter be earth can controller area network. Im for removing the disputed tag or demoting it to citation needed. The comprehensive multisection axle counter solution in thales portfolio is capable of managing almost any train detection application, regardless of the railway segment and complexity. May 12, 2019 there are two types of signalling methodologies traditionalconventional fixed block signal or cbtc based moving block signalling. Msd a c7 30p i s a multi section digital axle counter system that is designed using the principles of failsafety and has a twooutofthree fail safe architecture.
Axle counter systems and track circuit systems both provide for track vacancy. Its modular nature allows you to plan your upgrade and extensions without any problem. An axle counter is a device on a railway that detects the passing of a train between two points on a track. These sensors operate on 21 khz and 23 khz frequencies. We will be happy to present you the new tester with its welladapted functions soon. Take your time to assemble, install and adjust the easy. Thales axle counter the challenges for a modern train detection system joachim janle director axle counter business 2 axle counter past challenges. This paper investigates whether axle counter technology is now a smarter. Az le the latest axle counter system is completing thales s axle counter portfolio towards small and midsized applications. How communicationsbased train control cbtc is affecting. For applications in thales interlockings a 2outof3 version is also available.
The working principle of the corresponding wheel sensors. Automatic vital train detection highly reliable transmis sion of axle counter information via telegrams over 2 wires. Kago rail attachment box for axle counters and rail contacts. Text book installation of cables installed to an axle counter rail contact, clipped to sleepers. Railway cbtc equipment, railway cbtc equipment,cbtc components, way side equipment, vehicle onboard control system,train operators display, train speed and movement authority, transponder interrogator unit tiu, speed sensors,proximity sensor,mobile radio unit,antennas, wru way side radio unit,axle counter block functioning, axle counter detection point, signal layout, signals. Sometimes, and that could be for many reasons, this way of counting fails, and thus the track section will maintain its occupied status whilst in reality its free. Azlm axle counters report free download as word doc.
An axle counter is a railway system safety device that detects when trains pass, or more importantly, remain on, a specific track section. Thales azlm axle counter part05t004 07 wrong side failure test guide. If you follow this manual accurately the most precise analogue playback is ensured. An axle counter is a system used in the railway to detect the clear or occupied status of a. This video explains how to set up the rail contacts for the azlm axle counter. Characteristics construction characteristics conductor shape round solid. The heads for the 7030 are mounted on 1 rail, and are bidirectional. These are primarily firms with european heritage such as. Supply and delivery of equipment for thales axle counter for. Axle counter modern challenges 1 track rail transport. How communicationsbased train control cbtc is affecting transit agency rail maintenance american public transportation association rail conference 2018 06. There are older ones, azl65, and azl 70, and newer ones, azl 90 i think basically there is a count in point, count out point, and an evaluator. Supply and delivery of equipment for thales axle counter.
Thales worldwide market leader in axle counter technology more than 80 years experience with axle counters. Sig30060 and is compliant with thales ndup wayside cable speci cation. Kozol, director sales and marketing siemens industry, inc 8933 western way, suite 18 jacksonville, fl 32256 david f. For the supply and delivery of equipment for thales axle counter rotables to kimberley name of institution.
Obscured signals part05t006 06 wrong side failure test guide. Abr axle counter reference direction ac alternating current ace axle counter evaluator az l90m name of thales s multiple section axle counter predecessor of az lm az lm name of the axle counter system described in this document aza ace azl 7030 name of thales s single section axle counter be earth can controller area network. Further gb154539 1921, krupp disclosed an improvement of axle counter. Shrewsbury in 2011 by siemens, the first such system commissioned by network rail. Axle counter technology is a proven, reliable method of track vacancy detection suited for a variety of installations. Tester sico 2049 for axle counter zp30 signal concept. Bca2oo2 axlecounter system for railway signalling ducati energia has designed the axlecounter system for railway signalling automatic block system and track circuit, named bca2oo2, that merges, at design and application level, many recent hardware and software innovations. Axle counter system for signalling, the axle counter. Azlm axle counter cables and rail contact text book. The technology is based on a fibre bragg grating concept. There are defferent types of axle counters in use now, but ill stick to what i know, the sel alcatel azl 7030 axle counter. Maintenance manual l90 5 indoor equipment estw l90 5. Tester sico 1214fmx currently, we work on an update for our tester sico 1214fmx. Maintenance manual l90 5 indoor equipment estw l90 5 hardware.
Design, manufacture and testing according to the requirements in iso 9001. Thales has been in the axle counter business for many years through the acquisition of alcatels rail signalling interests. Maintenance of az s 350 u siemens multi section digital axle counter 111 section iv. Multisection digital axle counter msdac730p central.
Track circuits and axle counters play a vital role in railway signalling as these detect the presence of train vehicle on a given section of track. Exploration of using fbg sensor for axle counter in railway. The comprehensive multisection axle counter solution in thales portfolio is capable of managing. Axle counter, led signals, scws, decentralised element controller, checkpoint transverse digitalisation services, cybersecurity, security thales in austria. Maintenance of g36 gg tronics single section digital axle counter 112. Nrsig11231 signal maintenance testing nrsmthpart 05. Meter for fmx 2line control units sbl 60 and thales axle counters with rail contact sk 11 device for selective voltage measurements. On another note, over the last couple of weeks, and maybe coincidently that i have heard it off a few different people, will axle counters take over from track circuits eventually.
Continuous bidirectional communication between trains and wayside equipment on board equipment that determines position, train length and provides it to the wayside equipment wayside equipment ensures safe train separation by sending movement authority limit to each. Track circuits and axle counters play a vital role in railway signalling as these. The activities at our plant in grimsas are certi ed to iso 14001. The axle counter heads are located at the clearance point for the turnout. Thurston, vice president and deputy sector manager systems parsons transportation group 1601 market street, suite 900. It is extensible with 8 detections points in a module set. Exploration of using fbg sensor for axle counter in. Frauscher acs 2000 digital axle counters in their section for troublefree. In such situation, the axle counter reset button azgrt can be applied to reset the axle counters of the track. Parallel cards pdf created with pdffactory pro trial version uk thales azlm axle counter block diagram eak sk1. Maintenance of az lm eldyne multi section digital axle counter 19 section iii. A thales axle counter sensor, for example, can be 10,500 metres 34,400 ft from the evaluation unit when connected using the isdn communication only, but with the addition of an ethernet converter the distance is limited by the transmission system while the latest altpro axle counter sensor model zk24 can even go up to 49 kilometres 30 mi. An ace can simultaneously evaluate up to 32 detection points per ace and monitor up to 32 sections and the system is fully scalable. Railway multi section digital axle counter siemens az s 350 u.
The fieldtrac 6315 az lm is a 2outof2 multiple section axle counter based on a microprocessor configuration. This year, technology company thales will start replacing thousands of axle counters and hundreds of associated system boxes. The indoor equipment consists of the evaluation computer. A counting head or detection point is installed at each. Thales rail signalling solutions for railways youtube. However, in recent years there have been a number of advancements in both axle counter and telecommunications technology which have overcome some of these inherent issues. A counting head or detection point is installed at each end of the section, and as each train axle passes the counting head at the start of the section, a counter increments. Oct 25, 2012 thales is a worldwide leader of signalling for main line and urban rail operators with over 50 customers in more than 100 countries. An axle counter is a system used in the railway to detect the clear or occupied status of a section between two points. Az le the latest axle counter system is completing thaless axle counter portfolio towards small and midsized applications. Replace a thales azl axle counter count head or lineside amplifier part 04ax02 07 replace a thales azlm axle counter rail contact part 04ax03 06 replace a thales azlm axle counter eak unit part 04ax04 06 replace a thales azlm axle counter eak board part 04ax05 06 replace a thales azlm axle counter evaluator cpu card part 04ax06 06.
In this case, a sweep train over one path will also confirm that the other path is clear. This tonearm is designed differently than all other tonearms. Us741123 appears to lack any counting mechanism, so would be a form of treadle. Railway cbtc equipment railway signalling concepts. Nrsig11231 signal maintenance testing nrsmthpart 04 the. Handbook on maintenance of digital axle counter rdso.
Lamp no light any type part05t007 05 wrong side failure test guide. There are two types of signalling methodologies traditionalconventional fixed block signal or cbtc based moving block signalling. A thales axle counter sensor, for example, can be 10,500 metres 34,400 ft from the evaluation unit when connected using the isdn communication only, but with the addition of an ethernet converter the distance is limited by the transmission system, while the latest altpro axle counter sensor model zk24 can be up to 49 kilometres 30 mi from. Tester sico 2049 for axle counter zp30 testing and setting device for detection points zp 30 and wheel sensor rsl of the thales rail signalling solutions gmbh.