k Manual ni KSM-2 ta m s el ek tro Item no.
English KSM-2 Contents Getting started............................................................................3 2. Safety instructions.......................................................................5 3. Safe and correct soldering...........................................................7 4. Operation overview.....................................................................9 5. Technical specifications..............................................................13 6.
KSM-2 English 1. Getting started How to use this manual ni k This manual gives step-by-step instructions for safe and correct assembly of the kit and fitting and connecting of the ready-built module, and operation. 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.
English KSM-2 Checking the package contents For assembling the kit you need: an electronic soldering iron (max. 30 Watt) or a regulated soldering iron with a fine tip and a soldering iron stand, a tip-cleaning sponge, a heat-resistant mat, a small side cutter and wire stripper, as necessary a pair of tweezers and long nose pliers, electronic tin solder (0,5 mm. diameter).
KSM-2 English 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. Electrical hazards ni k Visibly damaged parts can cause unpredictable danger. Do not use damaged parts: recycle and replace them with new ones. el ek ta m Never perform wiring on a powered module. Assembling and mounting the kit should only be done in closed, clean, dry rooms. Beware of humidity.
English KSM-2 Fire risk ni Thermal danger k 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.
KSM-2 English 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. k 3. Safe and correct soldering ta m el ek Use a small soldering iron with max. 30 Watt or a regulated soldering iron. Only use electronic tin solder with flux. When soldering electronic circuits never use soldering-water or soldering grease.
English 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 soldering joint with a side cutter. 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.
KSM-2 English 4. Operation overview Loop problems k At the loop points in two-rail-systems, different polarities meet with each other. As soon as a vehicle bridges the differently polarized sections when driving in or out the terminal loop a short circuit occurs. ta m s el ek tro ni In digital layouts loop modules generally have to adapt the polarity within the terminal loop to the one outside.
English KSM-2 Mode of operation of the KSM-2 The loop module KSM-2 changes the polarity within the loop before a short cicuit occurs – independently of the locomotive´s direction of travel or the data format used to control the locomotive. tro ni k For that purpose transition zones are added between the layout and the inside of the terminal loop. Integrated track busy modules detect the direction of travel and position of the locomotive in the transition zones and in the section within the loop.
English el ek tro ni k KSM-2 Fig. 2: Procedure s Track busy indicator conducted to the outside ta m The track busy indicator integrated into the KSM-2 which supervises the section within the loop, is conducted to the outside of the module and can be integrated into the rest of the layout´s control system. As it is galvanically separated from the rest of the circuit, digital feed back modules (e.b. s88 modules) can be connected directly.
English KSM-2 Using the KSM-2 in RailCom supervised layouts It is impossible to connect a RailCom detector directly to the inside of the terminal loop. As the RailCom detector is an electric load, it would create a permanent busy indication when connected directly to the track section. This would invalidate the loop module´s function.
KSM-2 English 5. Technical specifications Data formats all Supply voltage 12 – 24 V a.c. or d.c. voltage approx. 100 mA tro Current consumption (without connected devices) ni k ! Caution: The KSM-2 must not be supplied by a transformer in use to supply the digital system! Protected to el ek Max. current of all vehicles in the loop 3 A IP 00 0 ... +60 °C Ambient temperature in storage -10 ... +80 °C Comparative humidity allowed max.
English KSM-2 6. Assembling the kit You can skip this part if you have purchased a ready-built module or device. Preparation Put the sorted components in front of you on your workbench. Resistors tro Resistors reduce current. ni k The separate electronic components have the following special features you should take into account in assembling: The value of resistors for smaller power ratings is indicated through colour rings. Every colour stands for another figure.
KSM-2 English Electrolytic capacitors Electrolytic capacitors are often used to store energy. In contrast to ceramic capacitors they are polarized. The value is given on the package. ni k Electrolytic capacitors are available with different voltage sustaining capabilities. Using an electrolytic capacitor with a voltage sustaining capability higher than required is always possible.
English KSM-2 Transistors Transistors are current amplifiers which convert low signals into stronger ones. There are several types in different package forms available. The type designation is printed on the component. ni k Transistors for a low power rating (e.g. BC types) have a package in form of a half zylinder (SOT-package). Transistors for a high power rating (e.g. BT types) have a flat package (TO-package), which is in use in different versions and sizes.
KSM-2 English Opto couplers Opto couplers are ICs, which work similar to laser beam switches. They combine in one housing a light emitting diode and a photo transistor. Their task is the transmission of information without galvanic connection. They are in a DIL-housing with at least 4 pins. k Relays tro ni Relays are electronic switches, depending on their position the one or other (internal) connection is closed.
English KSM-2 Parts list Resistors 330 R4, R7, R8 1 kW R2, R3, R15 2,2 kW 4,7 kW R16 47 kW D16 1N400x, x=2...
English ta m s el ek tro ni k KSM-2 Fig.
English KSM-2 Assembly Proceed according to the order given in the list below. First solder the components on the solder side of the PCB and then cut the excess wires with the side cutter. Follow the instructions on soldering in section 3. 2. Resistors Diodes Zener diodes Opto coupler 4. IC sockets Observe the polarity! The negative end of the diodes is marked with a ring. This is shown in the PCB layout. Solder the opto coupler OK4 directly onto the PCB (without socket). s 3.
KSM-2 6. English Transistors Observe the polarity! The cross section of transistors for a low power rating in SOT-packages is shown in the PCB layout. k With transistors for a high power rating in TO packages (e.g. BT types) the unlabelled back side is marked in the PCB layout by a thick line. Electrolytic capacitors Observe the polarity! One of the two leads (the shorter one) is marked with a minus sign. 8. Relays The mounting orientation is given by the layout of the pins. 9.
English KSM-2 Performing a visual check Perform a visual check after the assembly of the module and remove faults if necessary: Remove ta m s el ek tro ni k all loose parts, wire ends or drops of solder from the PCB. Remove all sharp wire ends. Check that solder contacts which are close to each other are not unintentionally connected to each other. Risk of short circuit! Check that all components are polarised correctly. When you have remedied all faults, go on to the next part.
KSM-2 English 7. Connecting the KSM-2 Dividing the loop into sections Divide the loop into three sections according to fig. 4: ta m s el ek tro ni k two transition zones near the points and the inner section of the loop. Isolate both rails in each case. The transition zones should be about half as long as the longest locomotive, the inner section as long as the longest train. A train within the loop should never bridge the transition zones! Fig.
English KSM-2 Assignment of the connections There are terminal strips soldered to the module which are used to insert and screw on the connecting cables. Outputs of the integrated track busy indicator 1 → Record input of the digital feedback module 2 → Mass connection of the digital feedback module (optional connection) 3|4 Voltage supply (tranformer) The polarity is of no importance. ni k 1|2 tro ! Caution: Do not connect the KSM-2 to the power supply of the digital system.
English s el ek tro ni k KSM-2 ta m Fig.
English KSM-2 Connection of the track busy indicator to the layout The track busy indicator integrated into the KSM-2 which supervises the section within the loop, is conducted to the outside of the module via the connection points 1 and 2 and can be integrated into the rest of the layout´s control system. The galvanic separation enables the direct connection to digital feed back modules (e.g.
KSM-2 English 8. Check list for troubleshooting Parts are getting too hot and/or start to smoke. ! Disconnect the system from the mains immediately! ni k Possible cause: one or more components are soldered incorrectly. In case you have mounted the module from a kit, perform a visual check ( section 6.) and if necessary, remedy the faults. Otherwise send in the module for repair. The loop module does not work as intended.
English KSM-2 Hotline: If problems with your module occur, our hotline is pleased to help you (mail address on the last page). ni k Repairs: You can send in a defective module for repair (address on the last page). In case of guarantee the repair is free of charge for you. With damages not covered by guarantee, the maximum fee for the repair is the difference between the price for the ready-built module and the kit according to our valid price list.
KSM-2 English 9. Guarantee bond ni k For this product we issue voluntarily a guarantee of 2 years from the date of purchase by the first customer, but in maximum 3 years after the end of series production. The first customer is the consumer first purchasing the product from us, a dealer or another natural or juristic person reselling or mounting the product on the basis of selfemployment. The guarantee exists supplementary to the legal warranty of merchantability due to the consumer by the seller.
English KSM-2 10. EU declaration of conformity This product conforms with the EC-directives mentioned below and is therefore CE certified. ni Connect the transformer only to an approved mains socket installed by an authorised electrician. Make no changes to the original parts and accurately follow the instructions, connection diagrams and PCB layout included with this manual. Use only original spare parts for repairs. tro k 2004/108/EG on electromagnetic.
English ta m s el ek tro ni k KSM-2 Seite 31
n n n tro http://www.tams-online.de n ni Information and tips: k n n el ek n n n s Warranty and service: ta m Tams Elektronik GmbH Fuhrberger Straße 4 DE-30625 Hannover fon: +49 (0)511 / 55 60 60 fax: +49 (0)511 / 55 61 61 e-mail: modellbahn@tams-online.
