TAMS Elektronik GBM-8 User manual
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GBM-8
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Gleisbesetztmelder
Track Busy Indicator
Indicateur d’occupation
Railbezetmelder
Art.-Nr. 52-01087 | 52-01086 | 52-01087 n
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Anleitung
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Manual
Mode d´emploi
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Handleiding
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Alle Rechte, insbesondere das Recht
der Vervielfältigung und Verbreitung
sowie der Übersetzung vorbehalten.
Vervielfältigungen und Reproduktionen in jeglicher Form bedürfen
der schriftlichen Genehmigung durch
die Tams Elektronik GmbH.
Technische Änderungen vorbehalten.
All rights reserved. No part of this
publication may be reproduced or
transmitted in any form or by any
means, electronic or mechanical,
including photocopying, without prior
permission in writing from Tams
Elektronik GmbH.
Subject to technical modification.
Tout droits réservés, en particulier les
droits de reproduction et de diffusion
ainsi que le traduction. Toute
duplication ou reproduction sous
quelque forme que ce soit nécessite
l´accord écrit de la societé Tams
Elektronik GmbH.
Sous réserve de modifications
techniques.
Alle rechten voorbehouden. Niets uit
deze publicatie mag worden
vermenig-vuldigd opgeslagen of
openbaar gemaakt, zonder voorafgaande schriftelijke toestemming van
Tams Elektronik GmbH.
Technische wijzigingen voorbehouden.
© 08/2010 Tams Elektronik GmbH
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n Deutsch 3
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English 21
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Français 39
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Nederlands 57
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GBM-8 English
Table of contents
1. Getting started 22
2. Safety instructions 24
3. Safe and correct soldering 26
4. Operation overview 27
5. Technical specifications 28
6. Assembling the GBM-8 29
7. Connecting the GBM-8 33
8. Check list for troubleshooting 36
9. CE and Warranty 37
Parts list I.1
Printed Circuit Board (PCB) layout (Fig. 1) 1.2
Circuit Diagram (Fig. 2) II
Connections diagram 1: Testing layout (Fig. 3) III
Connections diagram 2: Connecting the power supply
and the track sections (Fig. 4) IV
Connections diagram 3: Connecting LEDs (Fig. 5) V
Connections diagram 4: Connecting digital feed back modules (Fig. 6) VI
(Pages I to VI in the centre of this handbook are removable.)
Page 21
English GBM-8
1. Getting started
How to use this manual
This manual gives step-by-step instructions for safe and correct
assembly of the kit and fitting of the module, and operation. Before you
start, we advise you to read the whole manual, particularly the chapter
on safety instructions and the FAQ chapter. You will then know where
to take care and how to prevent mistakes which take a lot of effort to
correct.
Keep this manual safely so that you can solve problems in the future. If
you pass the kit or the module on to another person, please pass on
the manual with it.
Intended use
The track busy indicator GBM-8 has been designed to be used in
analogue or digital model railway layouts in concordance with this
manual.
Any other use is inappropriate and invalidates any guarantees.
The kit or the module should not be assembled or fitted by children
under the age of 14.
Reading, understanding and following the instructions in this manual
are mandatory for the user.
Caution:
!
The circuit contains integrated circuits. These are very sensitive to
static electricity. Do not touch components without first discharging
yourself. Touching a radiator or other grounded metal part will
discharge you.
Page 22
GBM-8 English
Checking the package contents
Please make sure that your package contains:
§ one kit, containing the components listed in the parts list and one
PCB,
§ or one ready-built module,
§ or one complete unit (ready-built module in a housing,
§ one manual.
Required materials
For assembling the kit you need:
§ an electronic soldering iron (max. 30 Watt) with a fine tip,
§ a soldering iron stand,
§ a tip-cleaning sponge,
§ a heat-resistant mat,
§ a small side cutter and wire stripper,
§ a pair of tweezers and long nose pliers,
§ tin solder (0,5 mm. diameter),
In order to connect the module you need wire. Recommended
diameters: > 0,25 mm² for all connections.
To display the busy status you need:
§ LEDs and suitable series resistors and / or
§ digital feed back modules (e.g. s88-feed back modules)
Page 23
English GBM-8
2. Safety instructions
Mechanical hazards
Cut wires can have sharp ends and can cause serious injuries. Watch
out for sharp edges when you pick up the PCB.
Visibly damaged parts can cause unpredictable danger. Do not use
damaged parts: recycle and replace them with new ones.
Electrical hazards
§ Touching powered, live components,
§ touching conducting components which are live due to malfunction,
§ short circuits,
§ connecting the circuit to another voltage than specified,
§ impermissibly high humidity,
§ condensation build up
can cause serious injury due to electrical shock. Take the following
precautions to prevent this danger:
§ Never perform wiring on a powered module.
§ Assembling and mounting the kit should only be done in closed,
clean, dry rooms. Beware of humidity.
§ Only use low power for this module as described in this manual and
only use certified transformers.
§ Connect transformers and soldering irons only in approved mains
sockets installed by an authorised electrician.
§ Observe cable diameter requirements.
§ After condensation build up, allow a minimum of 2 hours for dispersion.
§ Use only original spare parts if you have to repair the kit or the
ready-built module.
Page 24
GBM-8 English
Fire risk
Touching flammable material with a hot soldering iron can cause fire,
which can result in injury or death through burns or suffocation.
Connect your soldering iron or soldering station only when actually
needed. Always keep the soldering iron away from inflammable
materials. Use a suitable soldering iron stand. Never leave a hot
soldering iron or station unattended.
Thermal danger
A hot soldering iron or liquid solder accidentally touching your skin can
cause skin burns. As a precaution:
§ use a heat-resistant mat during soldering,
§ always put the hot soldering iron in the soldering iron stand,
§ point the soldering iron tip carefully when soldering, and
§ remove liquid solder with a thick wet rag or wet sponge from the
soldering tip.
Dangerous environments
A working area that is too small or cramped is unsuitable and can cause
accidents, fires and injury. Prevent this by working in a clean, dry room
with enough freedom of movement.
Other dangers
Children can cause any of the accidents mentioned above because they
are inattentive and not responsible enough. Children under the age of 14
should not be allowed to work with this kit or the ready-built module.
Little children can swallow small components with sharp edges, with
fatal results! Do not allow components to reach small children.
In schools, training centres, clubs and workshops, assembly must be
supervised by qualified personnel.
In industrial institutions, health and safety regulations applying to
electronic work must be adhered to.
Page 25
English GBM-8
3. Safe and correct soldering
Caution:
!
Incorrect soldering can cause dangers through fires and heat. Avoid
these dangers by reading and following the directions given in the
chapter Safety instructions.
§ Use a small soldering iron with max. 30 Watt. Keep the soldering tip
clean so the heat of the soldering iron is applied to the solder point
effectively.
§ Only use electronic tin solder with flux.
§ When soldering electronic circuits never use soldering-water or
soldering grease. They contain acids that can corrode components
and copper tracks.
§ Solder quickly: holding the iron on the joints longer than necessary
can destroy components and can damage copper tracks or
soldering eyes.
§ Observe correct polarity orientation of semi-conductors, LEDs,
electrolytic capacitors and integrated circuits before soldering and
ensure that the solder time does not exceed 5 seconds, otherwise
components can be damaged.
§ Apply the soldering tip to the soldering spot in such a way that the part
and the soldering eye are heated at the same time. Simultaneously add
solder (not too much). As soon as the solder becomes liquid take it
away. Hold the soldering tip at the spot for a few seconds so that the
solder flows into the joint, then remove the soldering iron.
§ Do not move the component for about 5 seconds after soldering.
§ To make a good soldering joint you must use a clean and
unoxidised soldering tip. Clean the soldering tip with a damp piece
of cloth, a damp sponge or a piece of silicon cloth.
§ Cut the wires after soldering directly above the PCB solder side with
a side cutter.
Page 26
GBM-8 English
§ After placing the parts, please double check for correct polarity.
Check the PCB tracks for solder bridges and short circuits created
by accident. This would cause faulty operation or, in the worst
case, damage. You can remove excess solder by putting a clean
soldering tip on the spot. The solder will become liquid again and
flow from the soldering spot to the soldering tip.
4. Operation overview
The track busy indicator GBM-8 can be used in analogue (d.c. or a.c.)
layouts as well as in digital layouts. The module can supervise a
maximum of eight track sections.
The GBM-8 is internally divided into four sections with two track busy
indicators each, which can be connected to a maximum of four different
booster or transformer sections.
Detecting vehicles
With a sensivity of 5 mA the GBM-8 detects reliably locomotives and
carriages with lighting, but not vehicles not consuming current of their
own.
Hint: As a rule, the small current flowing after painting a carriage´s axle
with resistive lacquer is not high enough to be detected by the GBM-8.
For this application the fourfold track busy indicator GBM-1** can be
used.
Electric consumers located in a switched off track section can be
detected by the GBM-8 when an additional resistor is mounted in
parallel to the switch.
Due to technical principles, with (analogue) d.c. layouts the GBM-8 can
only detect vehicles driving into the supervised track sections in a
particular direction. In case the detection of vehicles from both
directions is required, the track busy indicator GBM-1** can be used.
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