Tams elektronik Multi-Decoder MD-2 Bedienungsanleitung

tams elektronik

Manual

Multi-Decoder MD-2

Item no. 43-03126 | 43-03127

8- fold servo decoder

and 4-fold turnout decoder

tams elektronik

n n n

MM D

tams elektronik

English Multi-Decoder MD-2

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.

Remark: Rail om® is a German trademark registered in the name of

Lenz Elektronik for class 9 "Electronic ontrols" under the number 301

16 303 and a trademark registered in the U.S.A. under Reg. No.

2,746,080 for classes 21, 23, 26, 36 and 38 "Electronic ontrols for

Model Railways". In order to increase the readability of the text, we

have refrained from making reference to it whenever the term is used.

Page 2

tams elektronik
Multi-Decoder MD-2 English
Table of  ontents
Getting started............................................................................4
Safety instructions.......................................................................5
Operation overview.....................................................................7
Technical specifications..............................................................12
onnecting the decoder.............................................................14
1. onnecting servos............................................................14
2. onnecting push-buttons (→ Operating mode 2)................16
3. onnecting accessories (→ Operating mode 1)...................17
4. Power supply....................................................................19
5. onnection examples........................................................21
Programming the decoder..........................................................22
1. Programming decoder addresses.......................................22
2. Possible settings and default values...................................25
3. Programming  Vs.............................................................26
heck list for troubleshooting.....................................................32
Guarantee bond........................................................................35
EU declaration of conformity......................................................36
Declarations conforming to the WEEE directive...........................36
Page 3

tams elektronik

English Multi-Decoder MD-2

1. Getting started

How to use this manual

This manual gives step-by-step instructions for safe and correct

connecting and operation of the decoder. Before you start, we advise

you to read the whole manual, particularly the chapter on safety

instructions and the checklist for trouble shooting. 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 Multi-Decoder MD-2 is designed to be operated according to the

instructions in this manual in digital model railway layouts. Any other

use is inappropriate and invalidates any guarantees.

The Multi-Decoder MD-2 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.

Checking the package contents

Please make sure that your package contains:

one Multi-Decoder MD-2 (ready-built module) or

one Multi-Decoder MD-2 in a housing (complete unit)

a D (containing the manual and further information)

Page 4

tams elektronik

Multi-Decoder MD-2 English

Required materials

In order to connect the decoder, you need wire. Recommended

diameters:

> 0,05 mm² for the connections to LEDs, push buttons and

switches;

> 0,25 mm² for all other connections.

When using motor-run turnouts, you need an additional adapter AMW-2

for each turnout (item-no. 72-00086).

2. Safety instructions

Caution:

The decoder 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.

Mechanical hazards

ut wires can have sharp ends and can cause serious injuries. Watch

out for sharp edges when you pick up the P B.

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 and connecting the circuit to another voltage than

specified,

impermissibly high humidity and condensation build up

Page 5

tams elektronik

English Multi-Decoder MD-2

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.

onnect 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.

Other dangers

hildren can cause any of the accidents mentioned above because they

are inattentive and not responsible enough. hildren under the age of

14 should not be allowed to mount this module.

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 6

tams elektronik

Multi-Decoder MD-2 English

3. Operation overview

The MD-2.BiDiB is a stationary decoder used to control a maximum of 8

servos. In addition, coil driven turnouts or semaphore signals,

decouplers or other accessories or push-buttons for manual activation

of the servos can be connected.

Operating mode 1:

8-fold servo decoder

+ turnout- and/or

switching decoder

onnecting area 1

("pin headers")

8 servos*1

(8-fold servo decoder)

onnecting area 2

("terminal strips")

4 solenoid accessories*2

(4-fold turnout decoder)

or 8 other accessories*3

(8-fold switching decoder)

or combination of turnouts and other

accessories

* see page 8

Page 7

tams elektronik

English Multi-Decoder MD-2

Operating mode :

8-fold servo decoder

with push-buttons

for manual activation

onnecting area 1

("pin headers")

8 servos*1

(8-fold servo decoder)

onnecting area 2

("terminal strips")

8 push-buttons for toggling between the

servos´ two end positions (as well

suitable for purely analogue operation)

*1 Servos: to control for example turnouts, semaphore signals or

(railroad crossing) gates.

*2 Solenoid accessories: accessories switched by short switching

impulses, for example coil driven turnouts (with or without limit stop),

coil driven semaphore signals, decouplers. Hint: In order to control

motor-run turnouts, you need an additional adapter AMW-2.

*3 Other accessories: for example light signals (to switch over between

the signals) or other lights (to switch them on and off).

The voltage supply for the connected accessories is provided by the

Multi-Decoder MD-2.

Page 8

tams elektronik

Multi-Decoder MD-2 English

Motion sequences

You can set separately for each of the 8 servos:

Starting and end position

Rotational speed

Simple linear motion curve or linear motion curve with teetering

when reaching the end position (to be adjusted separately for the

two directions of motion)

Simple linear motion curve with constant

velocity.

It is not possible to break the motion sequence

before the end position has been reached.

When reaching an end position the motion

sequence is stopped automatically.

Linear motion with teetering at the end

positions (typical motion sequence of

semaphore signals and railroad crossing gates).

The teetering motion has to be set separately

for each direction of motion.

Driving the decoder via accessory decoder commands

Turnouts, servos or other accessories are operated via accessory

decoder commands in D or Motorola format, sent from the controla

unit to the accessory decoder´s addresses:

operating mode 1: 12 addresses

operating mode 2: 8 addresses

The decoder automatically recognizes the commands´data format. It is

possible to switch the outputs via mixed D and Motorola commands

as well as to operate one output alternately in D and Motorola

format.

Page 9

tams elektronik

English Multi-Decoder MD-2

Use in analogue mode

When operating mode 2 is set (for connection of buttons in connection

area 2) the servos can be controlled either by turnout commands or by

the connected buttons. This means that the MD-2 can also be used in

pure analogue operation.

Programming

Using a D central unit, the decoder address and the decoder´s

features can be defined by programming the configuration variables

( V). It is also possible to set the address by using a push-button

switch.

When using a Motorola central unit the (accessory) decoder address

has to be set with a push-button switch. hanging the other decoder´s

features is not possible in layouts run in Motorola format only.

Feedback via RailCom (according to R N-217)

The Multi-Decoder MD-2 is Rail om compatible, i.e. the decoder is able

to pass the Rail om messages via the rails to special Rail om detectors.

After a switching or setting command to its address the decoder sends:

status message, e.g. "turnout is set right", "turnout has been

switched" or "turnout still has to be switched" and / or

time message, e.g. "another 2 seconds are required to carry out the

switching or setting command" and/or

error message, e.g. "turnout cannot be switched"

and, by this, confirms the recepton of the command.

Page 10

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