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Littfinski DatenTechnik (LDT)

Assem

bly Instruction

Reverse-Loop Module

from the Digital-Professional-Series !

KSM-SG-B Part-No.: 700501

>> kit <<

Suitable for the digital operation of all digital

formats

The polar reversal at the reverse-loop will be performed

without short-circuit via two sensor rails.

With reason to an external power supply possibility is a

simple control of the reverse-loop with track occupancy

module (e.g. RM-GB-8(-N) and RS-8) possible. The sensor

rails will be controlled as well.

This product is not a toy! Not suitable for children under 14 years of age!

The kit contains small parts, which should be kept away from children under 3!

Improper use will imply danger of injuring due to sharp edges and tips! Please

store this instruction carefully.

CE Part-No.:

24 80 35

Introduction:

You have purchased a kit for your model railway supplied within

the assortment of Littfinski DatenTechnik (LDT).

This kits are a high quality product which is easy to assemble.

We are wishing you having a good time for assembling and

application of this product.

General:

Tools required for the assembly

Please assure that the following tools are available:

• a small side cutter

• a mini soldering iron with a small tip

• solder tin (if possible 0,5mm diameter)

Safety Instructions

• All electrical and electronic components included in this kit

shall be used on low voltage only by using a tested and

approved voltage transducer (transformer). All components

are sensitive to heat. During soldering the heat shall be

applied for a very short period only.

• The soldering iron develops a heat up to 400°C. Please keep

continual attention to this tool. Keep sufficient distance to

combustible material. Use a heat resistant pad for this work.

• This kit consist of small parts which can possibly be

swallowed from children. Children (especially under 3 years)

shall not participate on the assembly without supervision.

Set-Up:

For the board-assembly please follow exact the sequence of the

below assembly list. Cross each line off as done after

completing the insertion and the soldering of the respective

part.

For the diodes and zener diodes please keep special attention

to the correct polarity (marked line for the cathode).

With reason to different makes of electrolytic capacitors you

will find different markings of the polarity. Some are marked with

"+" and some are marked with "-". Each capacitor has to be

assembled to the board that the marking on the capacitor is in

correspondence with the marking on the pc-board.

Integrated circuits (IC`s) are either marked with a half round

notch on one end or a printed point for the correct mounting

position. Push the IC`s into the correct socket or directly into the

pc-board (IC3) assuring that the notch or the printed point is

corresponding to the half-rounded marking on the pc-board.

Please attend to the sensitivity of the IC`s to electrostatic

discharge which will cause immediate damage of the IC.

Before touching those components please discharge yourself

by contacting an earthed metal (for example an earthed

radiator) or work with an electrostatic safety pad.

Please attend to the mark "+" of the rectifiers. Some

manufacturers mark the "+" connections additionally with a

longer connection wire. If the rectifier shows as marking a

flattened side this side has to correspond with the marking on

the pc-board.

The clamps KL1 to KL4 have to be connected to a block with 8

connections.

Assembly List:

Pos.

Qty.

Component

Remarks

Ref.

Done

1 1 Printed circuit board

2 1 Z-Diode BZX ... 5V1 attend to the polarity! D1

3 5 Diodes 1N4003 attend to the polarity! D2, D6

4 1 Z-Diode BZX ... 30 attend to the polarity! D7

5 1 Resistor 820Ohm gray-red-black-black R1

6 2 Resistors 1,5kOhm brown-green-black-brown R2, R3

7 1 Resistor 220kOhm red-red-black-orange R4

8 1 Resistor 1MOhm brown-black-black-yellow R5

9 2 Capacitors 100nF 100nF = 104 C3, C4

10 2 IC-Sockets 18poles IC1, IC2

11 1 IC-Socket 8poles IC4

12 1 IC: 814 attend to the polarity! IC3

13 1 Resonator CR1

14 1 Electrolytic-cap. 100µF/25V attend to the polarity! C2

15 1 Electrolytic-cap. 470µF/35V attend to the polarity! C1

16 1 Rectifier attend to the polarity! GL1

17 1 Multi Fuse R050 MF1

18 3 Relay REL1..3

19 4 Clamps 2poles build blocks before assy. KL1, KL4

20 1 Clamp 2poles KL5

21 1 IC: Z86E0..PSG attend to the polarity! IC1

22 1 IC: ULN2803A attend to the polarity! IC2

23 1 IC: 93C46 attend to the polarity! IC4

Final control

Made in Europe by

Littfinski DatenTechnik (LDT)

Kleiner Ring 9

D-25492 Heist/Germany

Phone: 0049 4122 / 977 381

Fax: 0049 4122 / 977 382

Internet: http://www.ldt-infocenter.com

Subject to technical changes and errors.  05/2013 by LDT

Summary of content (4 pages)

PAGE 1
Littfinski DatenTechnik (LDT) Assembly Instruction Reverse-Loop Module from the Digital-Professional-Series ! KSM-SG-B Part-No.: 700501 >> kit << Suitable for the digital operation of all digital formats The polar reversal at the reverse-loop will be performed without short-circuit via two sensor rails. With reason to an external power supply possibility is a simple control of the reverse-loop with track occupancy module (e.g. RM-GB-8(-N) and RS-8) possible. The sensor rails will be controlled as well.
PAGE 2
Soldering instruction Provided you have no special experience in soldering electronic components please read first this soldering instruction before starting the job. Soldering has to be trained! 1. Never use additional fluxes for soldering electronic circuits which contain acids (e.g. zinc chloride or ammonium chloride). Those can destroy components and printed circuits when not washed off completely. 2. As soldering material only lead free soldering tin with a rosin core for fluxing should be used. 3.
PAGE 3
Littfinski DatenTechnik (LDT) KSM-SG-F LDT-Part-No.: 700502 Both rails of the sensor tracks (A1/B1 and A2/B2) and the reverse loop (AK/BK) will be completely isolated and connected to the respective marked clamps at the reverseloop module KSM-SG. The sample connection 1 at the rear side of this instruction shows the complete wiring. The optimal length of the sensor rails will be 5 to 20 cm. The reverse-loop rail gets the supply via the clamps AK and BK.
PAGE 4
Sample Connection 1: Automatic polarity of a standard reverse-loop with the reverse-loop module KSM-SG. Littfinski DatenTechnik (LDT) Kehrschleifenmodul Reverse loop module Digital-Profi werden! Kehrschleifenmodul KSM-SG Kurzschlussfreie Umpolung über Sensorgleise. Short free reversion through sensor tracks. Littfinski DatenTechnik (LDT) D-25492 Heist Multi-Digital www.ldt-infocenter.com KL4 KL3 KL2 KL1 KSM-SG KL5 ~ ~ 16...18V Rev. 1.