TAMS Elektronik LD-G-33, LD-W-33 User manual
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DCC
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LD-G-33
Art.-Nr. 41-01330 / 41-01331 / 41-01332
LD-W-33
Art.-Nr. 41-02330 / 41-02331
Locomotive Decoder
for DC / AC engines
Décodeur pour locomotive
avec moteur continu / alternatif
Locdecoder voor
gelijk-/ wisselstroommotoren
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Manual
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Mode d´emploi
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Handleiding
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© 06/2008 Tams Elektronik GmbH
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
vermenigvuldigd opgeslagen of
openbaar gemaakt, zonder
voorafgaande schriftelijke toestemming
van Tams Elektronik GmbH.
Technische wijzigingen voorbehouden.
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n English 3
n Français 37
n Nederlands 71
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LD-G-33 / LD-W-33 English
Table of contents
1. Getting started 4
2. Safety instructions 5
3. Safe and correct soldering 7
4. Operation overview 8
5. Technical specifications 13
6. Mounting the locomotive decoder 14
7. Programming the locomotive decoder 18
8. Configuration variables and the registers
of the LD-G-33 and the LD-W-33 20
9. Operation 33
10. Check list for trouble shooting 34
11. Manufacturer's note, CE and Warranty 35
Connections (Fig. 1, 2 and 3) I
Connections (Fig. 4) II
Circuit Diagram (Fig. 5) II
(Pages I to II in the centre of this handbook are removeable.)
Remark: RailCom® is the registered trademark of the Lenz Elektronik
GmbH, Hüttenbergstraße 29, D-35398 Gießen. To increase the text´s
readabiliy we have refrained from refering to this point in each
instance.
Page 3
English LD-G-33 / LD-W-33
!
1. Getting started
How to use this manual
This manual gives step-by-step instructions for safe and correct fitting
of the decoder, 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 decoder on to another person, please pass on the manual
with it.
Intended use
The locomotive decoder is designed for mounting in a model train with
DC motor (LD-G-33) resp. AC motor (LD-W-33). It evaluates the
Motorola or DCC format data sent by the digital central unit to its
address and controls the locomotive´s motor and additional functions.
The decoder should not be mounted by children under the age of 14.
Reading, understanding and following the instructions in this manual
are mandatory for the user.
Any other use is inappropriate and invalidates any guarantees.
Caution:
Integrated circuits (ICs) are inserted on the decoder. They are sensitive
to static electricity. Do not touch components without first discharging
yourself. Touching a radiator or other grounded metal part will
discharge you.
Page 4
LD-G-33 / LD-W-33 English
Checking the package contents
Check the contents of the package for completeness after unpacking:
§ one decoder, with or without soldered connecting wires resp.
soldered NEM 652 interface connector, depending on the version,
§ one electrolytic capacitor 100 µF / 35 V,
§ one manual.
N.B. For technical reasons it is possible that the PCB is not completely
inserted. This is not a fault.
Required tools and materials
Make sure you have the following tools and materials ready for use:
§ 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, a wire stripper and a pair of tweezers,
§ tin solder (0,5 mm. diameter),
§ wire (diameter: > 0,05 mm² for all connections).
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,
Page 5
English LD-G-33 / LD-W-33
§ 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 decoder.
§ Mounting the decoder should only be done in closed, clean, dry
rooms. Beware of humidity.
§ Only use low power for this decoder 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 decoder.
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.
Page 6
LD-G-33 / LD-W-33 English
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 decoder.
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, mounting
and operation must be supervised by qualified personnel.
In industrial institutions, health and safety regulations applying to
electronic work must be adhered to.
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.
Page 7
English LD-G-33 / LD-W-33
§ Apply the soldering tip to the soldering spot in such a way that the wire
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.
§ The joint should be held still for about 5 seconds after soldering.
§ To make a good soldering joint you should 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.
§ After soldering check (preferably with a magnifying glass) tracks for
accidental solder bridges and short circuits. This would cause faulty
operation or, in the worst case, permanent 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
Driving in digital operation
The locomotive decoder is a multiple protocol decoder, that can operate
with and automatically recognises both DCC or Motorola formats.
The number of addresses is dependant on the format being used.
Motorola-Format: 255 addresses.
DCC- Format: 127 Basis-addresses or 10.239 extended addresses.
In the DCC format the decoder can be driven in all speed levels (14, 28
or 128).
In the Motorola format the decoder can be driven in 14 or 27 speed levels.
Driving all 27 speed levels can be done only with central units which
support this mode (e.g. MasterControl). With central units which allow 14
speed levels only, it is only possible to select every second speed level.
Programming the decoder is done in DCC format by setting the
configuration variables and in Motorola format through the registers.
Page 8
LD-G-33 / LD-W-33 English
Operation in analogue mode
The locomotive decoder LD-G-33 or LD-W-33 can also be used in
analogue model railway layouts. It can be run with an A.C. speed control
as well as with a D.C. speed control. When putting the vehicle on the rails
the decoder recognizes automatically if it is run in analogue or digital mode
and sets the corresponding operation mode. The automatic recognition of
the analogue mode can be switched off.
The load control of the LD-G-33 is is also active in analogue mode. The
set maximum speeds also limits in analogue mode the maximum speed
of the locomotive.
Switching the function outputs on or off is not possible in analogue
mode. They can be programmed so that they are either switched on or
off in analogue mode. The effects set for the outputs are active in
analogue mode as well.
Outputs to be switched with F0 are switched on or off in analogue
mode according to the direction of travel.
Short circuit protection
As soon as the decoder´s maximum total current (1.500 mA) is
exceeded, the decoder automatically temporally switches off the motor
and the function. This operation will be repeated until the short circuit
has been eliminated.
Driving of the motor
Both decoder types LD-G-33 and LD-W-33 are designed to optimally
control their particular motor types.
The locomotive decoder LD-G-33 drives the (D.C.) motor with either a
PWM of 17 or 32 kHz. This guarantees a soft and constant run of the
motor, with which the decoder can also be used with coreless
(Faulhaber) motors.
The locomotive decoder LD-W-33 drives the (A.C.) motor with a PWM
of 480 Hz and thus is optimized to most motors of this type.
Page 9
English LD-G-33 / LD-W-33
Load control (only with the LD-G-33)
The locomotive decoder LD-G-33 for DC motors has a load control, the
decoder LD-W-33 for AC motors does not have this function. The load
control influences the motor voltage to keep the locomotive at constant
velocity, independent of additional loads (e.g. running up a gradient,
coupled carriages).
It is possible to switch on and off the load control by varying a CV-variable
of the deocder. The parameters of the load control may be altered as well,
in order to adapt the decoder to the motor´s individual characteristics.
Parameters of the load control: The load control is determined by
three parameters which have to be coordinated in order to achieve
optimal driving characteristics. Each of the load control parameters is
assigned to a configuration variable. The parameters are:
KP: The proportional component of the load control ensures the
difference between the set and the present value being as small as
possible. It cannot have the value "0" at any time. This component
affects the basic speed. In case the set value is too small the
locomotive runs too slowly. In case the set value is too high the
locomotive vibrates while moving.
KI: The integral component of the load control ensures the remaining
difference between the set and the present value is reduced to 0 and so
for the correction of very small divergences. Is the set value is too high
the locomotive vibrates massively while moving.
KD: The differential component of the load control ensures that the control
is not converted too quickly. Is the set value to low then the locomotive
vibrates. Is the set value is too high, the locomotive shakes while moving.
Velocity characteristic
The decoder can be adjusted to the driving characteristics of the motor
and the characteristic speed of the locomotive type, by setting the starting
velocity and the maximum velocity. From the starting velocity and the
maximum velocity the decoder generates a linear velocity characteristic.
Page 10
LD-G-33 / LD-W-33 English
When the speed level mode is set to 28 speed levels, it is possible to
assign any motor voltage to all of the 28 speed levels as an alternative
to the linear velocity characteristic. This allows the programming of a
velocity characteristic which adjusts the individual driving characteristics
of the motor. The set values are saved in the alternative velocity table.
Shunting gear
It is possible to switch into the shunting gear mode via a function key,
when so programmed. In the shunting gear mode, the velocity of all
speed levels is reduced to approx. 50 % compared to the set velocity.
Acceleration and brake delay
It is possible to program the acceleration and brake delay individually
via the central unit.
Emergency stop
At a change of direction an emergeny stop is carried out automatically.
Slider commutation
The LD-G-33 or the LD-W-33 has a function output to be programmed
so that it switches a relay for slider commutation.
Function outputs
The decoder has six function outputs with a maximum current of 500 mA
each, which are available to connect optional accessories (e.g. lighting,
smoke generator, sound module, electric coupling). The decoder´s
maximum total current (including motor current) is 1.500 mA.
In DCC format the function outputs can be switched via the function keys
F0 to F12. In Motorola format the function outputs can be switched via
the function keys F0 to F4. The functions F5 to F9 can be switched via the
function keys F1 to F4 and F0 by assigning them to a second address.
The functions F10 to F12 are not available in Motorola format.
You can assign the function keys to the function outputs freely. It is
possible to assign several function keys to one function output.
Page 11
English LD-G-33 / LD-W-33
SUSI interface
A SUSI module can be connected to the LD-G-33 or the LD-W-33 and
programmed via the decoder. It is not possible to read the SUSI
module´s data via the decoder.
The locomotive decoder transmits the function status and the speed
level set at the central unit, to the SUSI module. This affects the SUSI
module´s outputs depending on the speed level (e.g. motor sound).
Effects of the function outputs
It is possible to set the following effects for all function outputs individually:
Dimming: The voltage applied to an output can be reduced by
programming the decoder accordingly. Example of use: The electric
bulbs of older vehicles made for analogue operation can be dimmed
and thus must not be exchanged after the mounting of the decoder. In
addition, it is possible to dim the voltage depending on the speed level.
This enables weak smoke generation during halts or a switched off or
dimmed cab lighting while the train is moving.
Kick function: It is possible to set the function outputs so that they
get the full voltage first for up to 20 seconds and then are dimmed.
Example of use: For some types of electric couplings you need the full
voltage for decoupling and the voltage then reduced to protect the
couplings. In addition it is possible to program the outputs so that the
locomotive moves a short distance from the disengaged carriages
automaticalley after releasing the kick function.
Flashing. Both the frequency and the keying ratio can be set. Examples
of use: single and alternating flash lights or strobe lights.
Switching on and off depending on the direction of travel: Any
output can be programmed to be switched on and off depending on the
direction of travel.
Special function for speed level 0: It is possible to program one function
to switch off other functions or switch on special function outputs at speed
level 0. Example of use: With some layouts it is customary that the tail lamps
of parked locomotives have to be temporally set at the front and the back.
Page 12
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