Trainguard Zub 222c automatic train control system - State-of-the-art technology for cost-effective rail services
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siemens.com/mobility Trainguard Zub 222c automatic train control system State-of-the-art technology for cost-effective rail services
Compact on-board and trackside equipment
Trainguard Zub 222c automatic train control system
Cities are becoming increasingly larger and more complex. This also imposes increased requirements on mass transit
systems. Their operators have to cope with rapidly growing traffic flows and passengers‘ rising expectations. Their success
is measured against factors such as safety, punctuality, convenience and environmental friendliness. Siemens‘ intelligent
and future-oriented mass transit concepts support operators in successfully meeting these challenges.
We regard our customers as partners who we support through our work in sustainably developing their urban environment
and making their public mass transit just as efficient and effective. They thus boost their passengers‘ quality of life and the
attractiveness of their city as a business location.
System with cost-effective benefits Trainguard Zub 222c ensures cost- Basic functions of the system
Refinements of train control systems effective, easy-to-maintain operations. Trainguard Zub 222c works with inter-
are crucial for new rolling stock. They It places no specific requirements on mittent data transmission from the track
are to be universally applicable all over the signaling system of the railways and ensures continuous monitoring of
the world in the future and, in particular, to be protected, and can be individually a speed profile. This type of monitoring
to be capable of being integrated both configured and thus adapted to any with target braking curves significantly
simply and cost-effectively. application. reduces overlaps, thus optimizing line
throughput. Thanks to this feature,
With its wide range of functions and its A special feature of Trainguard Zub 222c Trainguard Zub 222c is a low-cost-alter-
modular design, the Trainguard Zub 222c is its suitability for mixed operation as native to continuously transmitting
automatic train control system meets both a heavy rail system with exclusive systems and supports the driver by
the latest requirements for signaling and rights-of-way separated from other traffic means of numerous automatic functions:
safety. The new compact on-board unit and a light rail system with shared rights- • continuous and reliable monitoring
and energy-efficient trackside equiment, of-way together with other traffic in city of speed and braking
connected to the signals via interface streets. • display of the target and actual speed
boards in Eurocard format, can be easily in the driver's cab
installed in new signaling systems and For this purpose, Trainguard Zub 222c • audible alarm when the target speed
retrofitted to existing systems. provides an integrated back-channel is exceeded and automatic brake
to the track in addition to the fail-safe application
track–train data channel. These back- • train stop at stop signals
channels (coupling coil or radio) permit • monitoring of speed restriction
the control of decentralized electric sections
points, priority switching at traffic lights, • non-fail-safe bidirectional transmission
or train tracking, as well as diagnostic of information between track and train
and status data.
Fail-safe monitoring: Control and display unit Signal interface and radio
the on-board equipment A compact control and display unit is transmission board
available for information output in the The trackside components for signal
On-board unit driver‘s cab. A dual-pointer speedometer aspect extraction and optional radio-
The compact Trainguard Zub 222c indicates the monitoring and actual based clearing are installed in a signal
on-board unit forms the heart of the speed and the maximum permissible apparatus case. The signal aspect is
on-board equipment. Its single-tier speed. extracted from the lamp circuit intrin-
19“ mounting rack requires only little sically safe and without any interaction.
space. It is equipped with circuit boards A control unit with buttons and indicators AC and DC signals can be interfaced.
of the dual-channel fail-safe Simis 3116 is also available. A fault switch bypasses The signal aspect information is updated
microcomputer system and comprises the emergency brake output in the event in the track coupling coil using the
a fail-safe emergency brake output for of an on-board unit failure. associated data record.
dual-channel electrical brake control.
Data unit Radio infill
The on-board unit can be configured The data unit is used for serial informa- Radio infill facilitates continuous up-
for unidirectional or bidirectional running. tion transmission between the on-board dating of the signal information onboard
Different power supply boards are avail unit and the control and display unit in the vehicle by means of a permanent
able for a DC power supply of 24 V to the driver‘s cab over a distance of up to point-to-point connection. With radio
110 V from the vehicle battery. 50 m. infill, the maximum permitted speed is
transmitted to the vehicle and monitored
Vehicle coupling coil Fail-safe transmission: there whenever there is a change of the
The vehicle coupling coil is used for the trackside equipment signal aspect. Trainguard Zub 222c can
bidirectional data transmission between be used to increase line throughput by
the track and the train. It is available in Track coupling coil braking curve intervention.
both normal and compact design. The track coupling coil is the central
element of the trackside equipment. Usage of information transmission
Radio antenna It is installed at the signal location and If the train-track back-channel is used,
The radio antenna is used to transmit controlled in accordance with the signal the information sent by the vehicle is to
information to the vehicle and retrans- aspect by a signal interface board. be recorded on the trackside. Indicating
mit diagnostic messages to the trackside information can be forwarded to the
equipment. Depending on the active signal aspect, control center via Trainguard Imu 100
the track coupling coil transmits the or the Z-Radio channel.
Odometer pulse generator speed profile for the section ahead to
The odometer pulse generator supplies the train. It can also transmit a fixed data
data on the direction of travel, distance telegram at specific information points
traveled and current train speed. Alterna- such as speed restriction sections.
tively, on-board pick-ups can be integra-
ted as pulse generators.Emergency brake intervention speed
veb veb Service brake intervention speed
v (km/h) v (km/h) v (km/h) Warning speed
al changes Signal changes v (km/h) v (km/h)
OCEED to PROCEED Maximum permissible speed
100 100 100
90 90 vperm 5 90 vperm 5
veb
80 80
3 80
3
70 70 70
2 2
60 60 60
vperm vrelease
vperm after
50 clearing vperm after clearing 50 50 Emergency braking
40
0 0
40 40
30 30 30
20
” vperm in the case of “expect danger” 20 20
10 10 10
0 0 0 Danger point
s (m) s (m) Traction cut-off (at least above the warning speed) is not shown here. s (m)speed) is not sho
Traction cut-off (at least above the warning
Early acceleration through radio-based clearing Monitoring levels
Coming to the point: On the last section of the line immedi- Flexible adaptation
fail-safe functions ately before the stop signal, the system Additional track coupling coils for the
maintains a constant maximum permis- protection of temporary construction
The intermittent automatic train control sible speed. This speed, called release sites can be integrated at any time
system provides exact information on speed vrelease , allows the train to move without having to modify the existing
the line ahead. The track coupling coil forward to the signal. The driver can Trainguard Zub 222c trackside equip-
installed at the signal transmits the pass the signal if it is showing a proceed ment. They can be used both as a train
information on the relevant signal aspect aspect. The release speed is individually stop and for establishing a speed restric-
(proceed, warning or stop) to the passing determined by Trainguard Zub 222c tion section. All necessary information
train. The speed and route profile for the depending on the braking capacity of the is incorporated into monitoring by the
section ahead belonging to the signal train and on the overlap. If the vehicle on-board equipment.
aspect is also transmitted. The on-board passes a stop signal, Trainguard Zub 222c
unit continuously determines the maxi- reliably stops the train within the overlap Safety and diagnostics
mum permissible speed vperm which may just before the danger point. Trainguard Zub 222c automatically
not be exceeded by the train. initiates self-diagnostics before the
Precise monitoring start of a trip. The system checks the
If the vehicle passes a warning signal, With the help of Trainguard Zub 222c, most important processing functions
the system reduces the maximum per- special points in the line profile such as and activates the driver’s cab displays.
missible speed as a function of the train‘s speed restriction sections can be signaled At the press of a button, the driver can
position – and does so in accordance and the speed monitored. The maximum call the following:
with the braking capacity of the train. permissible speed is indicated in advance • number of emergency brakings
at a sufficient distance from the beginning triggered by a stop signal
The stopping point is always in front of the speed restriction section. The • number of authorized moves and
of the corresponding next signal or service braking curve, and thus the moni- fault switch operations
danger point. If the target speed is toring curve as well, correspond to the • mileage
exceeded, the driver is given a visual braking capacity of the train up to the
and audible warning. beginning of the speed restriction section. A static electronic memory records all
important events. They can then be read
Should the driver not react, Trainguard After that, the target speed remains out and evaluated using a diagnostic PC.
Zub 222c automatically brakes the train constant until the last car – in accordance This diagnostic feature is available both
if the established speed continues to be with the train length – has left the speed locally (vehicle, diagnostic PC) and
exceeded: first by cutting off traction, restriction section. centrally (WinCC OA).
then by service braking. When reaching
the veb profile permissible in accordance
with fail-safe signaling principles, the
train is emergency-braked.The benefits speak for themselves
System overview
Robust, flexible, innovative
The high technical standard of auto- Technical data
matic train control systems is based on System data Safety integrity level SIL 3 as per DIN EN 61508 / EN 50129
many years of experience in the field of
Standards EN 50155, EN 60068, EN 60721, EN 61000-6-2,
signaling and control systems and on
EN 61000-6-2, EN 50121-3-2, EN 50121-4
continuous improvement of the equip-
ment. The proven Trainguard Zub 222c Temperature range – 30 °C to + 70 °C (on-board equipment)
– 30 °C to + 70 °C (trackside equipment)
automatic train control system can be
used for the following applications: Transmission Frequencies 50 kHz / 100 kHz / 850 kHz / 2.4 GHz
• light rail rapid transit Method Frequency shift keying
Data rate 50 kbauds
• regional railways
• metros / light rail transport Speed range ≤ 160 km / h
On-board equipment
Trainguard Zub 222c is distinguished by
the following system benefits: On-board unit Supply voltage 24 / 36 / 72 / 110 V DC, + 25 % / – 30 %
• robust design to cope with the high Power consumption approx. 100 W
levels of mechanical shock and Weight approx. 7.5 kg
vibration load as per EN 50155
Dimensions (l x h x w) 290 x 132 x 444 mm (l = incl. front connector)
• flexible installation due to low space
requirement of the compact on-board Max. cable length from – Odometer pulse generator 60 m
unit in its single-tier mounting rack on-board unit to – Driver's cab 50 m
• optimum adjustment of the monitoring Bus interface IBIS vehicle bus as per VDV 300
profile to the physical line conditions
Vehicle coupling coil Weight 7.5 kg
through the telegram-based transmission
of signal aspect, speed profile and Dimensions (l x h x w) 500 x 101 x 172 mm
speed restriction sections in the section Odometer pulse Weight 2.15 kg
ahead generator
• easy extension of existing installations Dimensions (l x h x w) 223 x 70 x 140 mm
since the trackside equipment is
Pick-ups of vehicle manufacturers (alternative)
powered by the signal lamp current;
the track coupling coil is supplied with Data unit Weight 0.9 kg
power from the vehicle coupling coil
when the train passes over Dimensions (l x h x w) 164 x 66 x 130 mm
• contactless transmission immune to Control and display unit Weight 0.6 kg
any ambient interference between the
on-board and trackside equipment by Dimensions (l x h x w) 135 x 75 x 96 mm
means of inductively coupled resonant
Dual-pointer speedometer Customer-specific
circuits
• selectivity to information carriers on Trackside equipment
the adjacent track, on its own track and
Track coupling coil Weight 13.5 kg
to equipment in the opposite direction
of travel Dimensions (l x h x w) 736 x 147 x 202 mm
• fast and simple troubleshooting using
Signal interface board AC primary side AC secondary side DC
a state-of-the-art diagnostic system
• suitability for train speeds of up to Input range 60 to 300 mA 1 to 2 A 24 to 58 V
160 km / h Signal detection 8 transformer stages 8 transformer stages 8 inputs
• bridging of an air gap between 130 mm
Flashing-signal detection max. 2 transformer stage max. 2 transformer stages
and 200 mm in the case of a lateral
deviation of the system of ±50 mm Loop amplifier board DC AC primary side
Input range 18 to 72 V 60 to 420 mA
Loop length up to 650 m depending on permanent wayTrainguard® is a registered
trademark of Siemens AG.
Siemens AG © Siemens AG 2014 The information in this document contains general
descriptions of the technical options available. The
Mobility Division required features should therefore be specified in each
Nonnendammallee 101 Printed in Germany individual case at the time of closing the contract. For
13629 Berlin PPG197 PA09140.5 the secure operation of Siemens products and solutions,
it is necessary to take suitable preventive action and
Germany Dispo 01000 integrate each component into a holistic, state-of-the-art
Order No.: A19100-V100-B930-V2-7600 security concept. Third-party products that may be in use
should also be considered.
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