Lenz_silver.pdf
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Silver Locomotive decoder
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The DIGITAL plus SILVER locomotive decoder is suitable for all DC locomotives
with continuous current draw of 1.0 Amp. or less. The characteristics of the
decoder are:
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Super smooth and silent high frequency back-emf motor control.
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Asymmetric DCC support including directional stopping
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Adjustable precision stopping control
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Low speed gear for switching operations
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Selectable for operation with 14/27, or 28/128 speed steps.
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Operation on conventional DC layouts is possible or can be disabled.
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Motor output = 1A continuous, 1.8A max, > 5 A stall.
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Motor and function outputs protected
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Four function outputs rated at 100mA each with advanced function mapping
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Directional or independent lighting with dimming and special effects.
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Support for Advanced Consist Control and Extended Addressing
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Support for programming on the mainline (operations mode programming)
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Support for all form of programming as described in NMRA RP-9.2.3
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Supports service mode decoder lock
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Size: L 0.91" x W 0.66"x H 0.12" L 23mm x W 16.6mm x H 2.9mm
Silver Silent-Back EMF
DCC Decoder
Art. No.
10331
November 2006
Silver Locomotive decoder
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SILVER Decoder feature set
The following contains a short introduction of the features of the SILVER
decoder as well as information on how to use them.
For more detailed information please refer to the "SILVER decoder"
information which can be downloaded from the Lenz Elektronik GmbH
website: www.lenz.com.
Capacity and protection equipment
The motor output has a current-carrying capacity of up to 1A without any
concern for cooling! The short-term maximum current-carrying capacity is
1.8A. The decoder is protected against overloading, short circuits and
overheating. In case of a fault, a bit is set in CV30 which will state the type
of fault which has occurred. This bit can be cleared via setting this CV to
0. Because of this protection the Silver decoder can work with motors that
have very high stall currents.
Maximum continuous current-
carrying capacity of total decoder
1.1 Amps
Motor output -
Continuous / peak motor / locked
rotor stall
1.0 Amps / 1.8 Amps / > 5 Amps
Function output A, B, C and D
100 mA each
Total current-carrying capacity of
function outputs
400 mA
High Frequency Back EMF Motor control
Silver decoders have a very smooth and quiet high-frequency motor
control (23kHz). If necessary, the performance of the decoder can be
optimized to one of 6 specific motor types in the locomotive using CV50.
These motor types include parameter sets which have been specially
adapted to the respective models. In addition, it is possible to perform
additional fine-tuning via CV113 or CV114 when selecting motor types 4
or 5. If desired you can switch off both the high-frequency drive as well as
the control system itself. You can still use CV9 to adjust the repetition
rate.
The minimum (CV2), maximum (CV5) and mid (CV6) speeds can be set;
the decoder automatically adapts these desired speed parameters
dynamically to ensure a steady, smooth curve. It is also possible to
program a user defined unique speed curve.
The decoder also has what we refer to as a EMF switch which makes it
possible to further adjust the decoder to different motor types. Depending
on the motor type used, it is possible that a digitally controlled locomotive
cannot reach an adequate maximum speed compared to a locomotive in
conventional operation. If this is the case, activate your EMF switch by
setting Bit 6 in CV 50. The locomotive will then reach a higher maximum
speed while the minimum speed is also slightly increased.
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Silver Locomotive decoder
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Special Features
Function for disabling of acceleration and deceleration delay
Use function F4 (function assignment can be altered in CV59) to disable
the acceleration and braking delay as well as the constant braking
distance during operation. The delays are disabled as long as the function
is active.
Switching speed function
The switching speed halves the speed table. This facilitates particularly
sensitive control during the switching process. Use function 3 (function
setting, can be altered in CV58) to enable and disable the switching
speed. If the shunting speed is enabled, the constant braking distance is
disabled. The switching speed is enabled as long as the function is active
Constant braking distance
During the transition from an active speed step to speed step 0 (e.g.
moving the speed control knob to the left limit-stop), the locomotive/train
will travel a settable, pre-defined braking distance. This braking distance
does not depend on the speed of the locomotive/train.
Enable the constant braking distance function (this requires setting Bit
0(1) in CV51. If this bit is not set, the decoder will use the normal speed-
dependent braking delay).
The braking distance is defined by the value set in CV52. Since the
motors and gear ratios of locomotives vary, the braking distance differs
from locomotive to locomotive even if the same value is set in CV52.
Use a short test section to measure how long your locomotive’s braking
distance will be with a given value set in CV52. Start with the default value
(100) in CV52.
Accelerate your locomotive until it has reached average speed.
At a chosen point in time, set the speed to 0. This requires moving the
speed control to the stop position, if you are using the LH100, keep
pressing the < key until the speed is set to 0 or until the locomotive
address is displayed (if using the LH100, do not press key ! This result
in a locomotive-specific emergency stop and the delays in the locomotive
decoder will not be enabled!).
Measure the covered braking distance.
Increase or decrease the value in CV52, e.g. in steps of 10, and carry out
another measurement. You will thus create a table which will indicate the
braking distances in relation to the values set in CV52.
Important advice: The constant braking distance is only effective if the
speed is changed to 0. If the speed is decreased from e.g. 28 to 10, the
speed-dependent delay from CV4 becomes effective.
The constant braking distance is disabled while the switching speed
function is switched on (default setting F3), or if the function to disable
acceleration/deceleration is activated (default setting F4). Either of these
Silver Locomotive decoder
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two features can also be used if you wish to interrupt a constant braking
process prematurely.
The constant braking distance does not function in analogue DC mode.
Mapping function outputs
Using function mapping (CVs 33-46) you can define which functions of the
digital system are used to control the A, B, C and D function outputs. The
outputs A, B and C can be allocated to function F0 (direction-dependent)
or functions F1 to F8 as desired. Output D can be allocated to function F0
(direction-dependent) or functions F1 to F12 as desired.
Lighting effect at function outputs
Special lighting effects can be assigned to each of the function outputs.
The lighting effects for the function outputs A and B are set in CV60 and
for the function outputs C and D in CV62. If you wish to switch the effects
with a function of the digital system, you can make the allocations to
functions F1 to F8 in CV61 (for function outputs A and B) and CV64 (for
function outputs C and D). The effects available are shown in the CV table
defined later in this manual.
Asymmetric DCC = Automatic Braking Control
simple signal stop and slow approach
You can carry out a particularly simple stop at a signal using the ABC
braking module. Depending on the signal position, this module creates an
asymmetric track voltage in the braking section in front of the signal. The
decoder reacts to this. Combined with the constant braking distance,
precise on-the-spot stopping in front of red signals is not a problem. Of
course, passage in the opposite direction is also possible. The signal
indication "slow approach/caution" can be set using CV53.
You can operate all functions during the signal stop or slow approach –
you can even reverse away again from the red signal! These special ABC
modules can be used to assemble a very simple block section.
Activate the ABC control by setting Bit 2 (1) in CV51.
Push-pull train control
A push-pull train control can be set if the ABC braking module is used.
There are two different options: push-pull operation with and without
intermediate stops. The latter also takes slow-approach sections into
account.
The push-pull train control is activated in CV51, Bit 4 (3) and Bit 5 (4). The
stopping time at the end of the track is set in CV54 (1 to 255 sec).
Preparing to Install the SILVER decoder
A locomotive that runs well under DC will run exceptionally well under
DCC. Replace worn out motor brushes and burned out light bulbs. Clean
any dirt or oxidation from the wheels and pickups, and make sure that
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Silver Locomotive decoder
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electrical contact is good. Now is also a good time to lubricate your
locomotive.
Some advice on installing the decoder:
Although the SILVER decoder has many internal safeguards to prevent
damage, you must not allow any metal part of the locomotive to touch the
surface components of the decoder. This could cause a direct internal
short circuit and the decoder will be destroyed.
The motor brushes
MUST also be completely isolated from the rail pickup
. Achieving
isolation may require some different approaches on different locomotives,
perhaps unsoldering wires or placing a thin piece of insulating plastic
between the motor and the locomotive frame. If you have a VOM, check
for infinite resistance between the motor and all the wheels.
Take special
note that a short might occur when the loco body is reinstalled.
DO NOT WRAP decoder with electrical tape or shrink wrap!
Doing so will impede air circulation and degrade the performance of the
decoder. Instead, put electrician tape over any part of the locomotive
frame or body that might touch the decoder and use double sided foam
mounting tape to mount the decoder. This will prevent short circuits
without 'suffocating' the decoder.
The SILVER decoder can not be set up for simultaneous use for 2-rail
pickup and overhead cantenary or trolley operation. If the locomotive is
turned the wrong way, the decoder could get twice the track voltage,
which would destroy it!
Wiring Options
There are two wiring options for installing the SILVER, depending on how
the locomotive is constructed. The functions could be connected with their
common to the decoders floating common (blue wire) as shown below or
one rail can be used as a common. A mixture of both options is also
possible.
Motor
F
F
A
B
C
D
Blau
Blue
Bleu
Weiß
White
Blanc
Gelb
Yellow
Jaune
Grün
Green
Vert
Violett
Purple
Violet
Orange
Grau
Grey
Gris
Rot
Red
Rouge
Schwarz
Black
Noir
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