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tams elektronik

Manual

4-fold Turnout Decoder

WD-34

Item no.

43-02345

43-02346 | 43-02347

WD-34.2

Item no.

43-02356 | 43-02357

WD-34.M

Item no.

43-02366 | 43-02367

t

a

ms elektronik

n n n

MM

DCC

Summary of Contents for 43-02345

Page 1: ...t a m s e l e k t r o n i k Manual 4 fold Turnout Decoder WD 34 Item no 43 02345 43 02346 43 02347 WD 34 2 Item no 43 02356 43 02357 WD 34 M Item no 43 02366 43 02367 tams elektronik n n n MM DCC ...

Page 2: ... form or by any means electronic or mechanical including photocopying without prior permission in writing from Tams Elektronik GmbH Subject to technical modification Remark RailCom is the registered trademark of the Lenz Elektronik GmbH Hüttenbergstraße 29 D 35398 Gießen To increase the text s readability we have refrained from refering to this point in each instance Page 2 ...

Page 3: ...ons turnout decoder WD 34 23 7 2 Pin connections turnout decoder WD 34 2 24 7 3 Pin connections turnout decoder WD 34 M 25 7 4 Power supply 27 7 5 Connection examples 28 8 Programming the decoder 30 8 1 Programming decoder addresses 30 8 2 Programming the basic features 33 8 3 Programming the configuration data for the WD 34 33 9 Check list for troubleshooting 35 10 Guarantee bond 37 11 EU declara...

Page 4: ...he future If you pass the kit or the ready built module on to another person please pass on the manual with it Intended use The turnout decoders WD 34 WD 34 2 and WD 34 M are 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 turnout decoders should not be assembled or mounted by ch...

Page 5: ...ectronic 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 In order to connect the module you need wire Recommended diameters 0 25 mm for all connections WD 34 2 only If you want...

Page 6: ...specified impermissibly high humidity and 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 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 transform...

Page 7: ...uring 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 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...

Page 8: ... soldering grease They contain acids that can corrode components and copper tracks Insert the component connecting pins of into the PCB s holes as far as possible without force The components should be close to the PCB s surface Observe correct polarity orientation of the parts before soldering Solder quickly holding the iron on the joints longer than necessary can destroy components and can damag...

Page 9: ... 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 You can remove excess solder by putting a clean soldering tip on the spot The solder will become liquid again and flow from...

Page 10: ...u can control a maximum of four turnouts or semaphores with twin coil drive or eight other solenoid accessories or four motor driven points It is possible to connect a different types of accessories to the four pairs of outputs Driving the decoder via accessory decoder commands The outputs of the decoders are operated via accessory decoder commands in DCC or Motorola format sent from the central u...

Page 11: ...res can be defined by programming the configuration variables CV It is also possible to set the address by using a programming jumper WD 34 or a push button switch WD 34 2 and WD 34 M When using a Motorola central unit the accessory decoder address has to be set with a programming jumper WD 34 or a push button switch WD 34 2 and WD 34 M Changing the other decoder s features or assigning a locomoti...

Page 12: ...r the turnout has been switched manually the fault can be displayed at an external LED LED not included in the package The flashing sequence shows the turnout in question Short circuit protection In case a short circuit occurs while switching a connected accessory the decoder stops the switching operation and the LED on the PCB starts to flash quickly Power supply The turnout decoders can either b...

Page 13: ...pply voltage Digital voltage of the central unit or 14 20 V a c voltage Current consumption without connected devices approx WD 34 40 mA WD 34 2 and WD 34 M 60 mA Number of outputs 8 Max current per output up to 2 seconds persistent 1 500 mA 800 mA Protected to IP 00 Ambient temperature in use 0 60 C Ambient temperature in storage 10 80 C Comparative humidity allowed max 85 Dimensions of the PCB D...

Page 14: ...ors reduce current The value of resistors for smaller power ratings is indicated through colour rings Every colour stands for another figure Carbon film resistors and some types of wire resistors have 4 colour rings The 4th ring given in brackets here indicates the tolerance of the resistor gold 5 Value Colour rings 0 27 red violet silver gold 33 orange orange black gold 100 brown black brown gold...

Page 15: ...olarized The value is given on the casing Electrolytic capacitors are available with different voltage sustaining capabilities Using an electrolytic capacitor with a voltage sustaining capability higher than required is always possible Diodes and Zener diodes Diodes allow the current to pass through in one direction only forward direction simultaneously the voltage is reduced by 0 3 to 0 8 V Excee...

Page 16: ...nt Transistors for a low power rating e g BC types have a package in form of a half zylinder SOT Gehäuse Transistors for a high power rating e g BD types have a flat package TO package which is in use in different versions and sizes The three pins of bipolar transistors e g BC and BD types are called basis emitter and collector abbreviated with the letters B E C in the circuit diagram Integrated c...

Page 17: ...t 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 Terminal strips Terminal strips are solder in screw type terminals They provide a solder free and safe connection of the cabl...

Page 18: ... 1 W R4 0 27 Ceramic capacitors C1 C6 C39 100 nF Electrolytic capacitors C10 100µF 25V C2 C3 radial or C4 C5 axial 220µF 25V Diodes D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 1N400x x 2 7 D15 D16 D17 D18 D19 D21 D22 D23 D24 1N4148 Zener diodes D13 D20 ZPD5V1 D14 ZPD47V LEDs LED1 LED 3mm Transistors for a low power rating Q2 BC327 Q3 BC337 Q1 Q4 Q5 BC557B Transistors for a high power rating T1 T2 T3 T4 T5 ...

Page 19: ... 34 WD 34 2 WD 34 M English Opto couplers OK1 OK4 6N136 OK2 OK3 PC817 2 pieces or PC827 1 piece IC sockets IC1 20 pole OK1 OK4 OK2 OK3 8 pole Double terminal strips X4 2 x 9 pole Solder pins JP1 2 pole Fig 1 PCB layout WD 34 Page 19 ...

Page 20: ...est a wrongly connected part will not function 1 Resistors except R4 Mounting orientation of no importance 2 Diodes Zener diodes Observe the polarity The negative end of the diodes is marked with a ring This is shown in the PCB layout 3 Ceramic Capacitors Mounting orientation of no importance 4 Resistor R4 5 IC sockets Mount the sockets that way the marking on the sockets show in the same directio...

Page 21: ...red socket Do not touch the ICs without first discharging yourself by touching a radiator or other grounded metal parts Do not bend the legs when inserting them into the sockets Check that the markings on the PCB the socket and the IC show to the same direction Performing a visual check Perform a visual check after the assembly of the module and remove faults if necessary Remove all loose parts wi...

Page 22: ...coder The decoder has terminal strips inserted to plug in and screw on the connecting wires for the solenoid accessories and the power supply WD 34 WD 34 2 and WD 34 M Make the connections one after the other the accessories e g turnouts the central unit the power supply Page 22 ...

Page 23: ...oid accessory turnout 4 return conductor 6 Solenoid accessory turnout 4 diverging 7 not in use 8 Power supply transformer 9 Input DCC signal central unit 10 Solenoid accessory turnout 1 straight 11 Solenoid accessory turnout 1 return conductor 12 Solenoid accessory turnout 1 diverging 13 Solenoid accessory turnout 3 straight 14 Solenoid accessory turnout 3 return conductor 15 Solenoid accessory tu...

Page 24: ...turn conductor 6 Solenoid accessory turnout 4 straight or F4 off 7 external LED 8 Power supply transformer 9 Input DCC signal central unit 10 Solenoid accessory turnout 1 diverging or F1 on 11 Solenoid accessory turnout 1 return conductor 12 Solenoid accessory turnout 1 straight or F1 off 13 Solenoid accessory turnout 3 diverging or F3 on 14 Solenoid accessory turnout 3 return conductor 15 Solenoi...

Page 25: ... use Solenoid accessory turnout 2 return conductor 3 Motor run turnout 2 connection 2 or F2 off Solenoid accessory turnout 2 straight or F2 off 4 Motor run turnout 4 connection 1 or F4 on Solenoid accessory turnout 4 diverging or F4 on 5 not in use Solenoid accessory turnout 4 return conductor 6 Motor run turnout 4 connection 2 or F4 off Solenoid accessory turnout 4 straight or F4 off 7 not in use...

Page 26: ...turnout 1 return conductor 12 Motor run turnout 1 connection 2 or F1 off Solenoid accessory turnout 1 straight or F1 off 13 Motor run turnout 3 connection 1 or F3 on Solenoid accessory turnout 3 diverging or F3 on 14 not in use Solenoid accessory turnout 3 return conductor 15 Motor run turnout 3 connection 2 or F3 off Solenoid accessory turnout 3 straight or F3 off 16 not in use 17 Power supply tr...

Page 27: ...ate transformer according to the two following diagrams Power supply via central unit Caution Switch off the central unit before connecting the decoder Caution If a component gets too hot disconnect the decoder and the power supply from the mains immediately Possible short circuit Check the assembly Power supply via separate transformer Page 27 ...

Page 28: ...n i k English WD 34 WD 34 2 WD 34 M 7 5 Connection examples Connecting coil driven turnouts Connection of turnouts to terminals 4 to 6 turnout 4 Connecting decouplers Connection of two decouplers to terminals 4 to 6 Page 28 ...

Page 29: ...t a m s e l e k t r o n i k WD 34 WD 34 2 WD 34 M English Connecting motor driven turnouts to WD 34 M Connection of turnouts to terminals 4 and 6 turnout 4 Page 29 ...

Page 30: ... layouts run in Motorola format only nor possible with Motorola central units 8 1 Programming decoder addresses You can set the decoder address either by programming the CVs with your DCC central unit or by using the programming jumper or push button When setting the decoder address it is of no importance if you intend to operate the decoder by vehicle decoder commands locomotive commands or acces...

Page 31: ...have to input a value in CV 1 as well Determining the input values for addresses higher than 64 1 Divide the chosen address by 64 Round down the result to a whole number Input this value in CV 9 2 Multiply the value set for CV 9 multiply by 64 Subtract this result from the chosen address Enter this value in CV 1 Example address 415 1 415 64 6 5 à CV 9 6 2 415 6 x 64 31 à CV 1 31 Setting the addres...

Page 32: ...o set the address with the jumper push button In order to set the address via the programming jumper push button perform the following steps 1 WD 34 Bridge the two pins of the programming connector JP1 by putting on the jumper included in the package Take it away as soon as the LED flashes WD 34 2 and WD 34 M Push the programming push button on the PCB The LED flashes 2 Set one of the addresses fr...

Page 33: ...4 Name of CVs CV no Input value Default Remarks and tips On time turnout 1 3 0 1 2 255 5 In case the central unit sends a coil off signal the on time tallies with the minimal switching time With central units not sending a coil off signal the minimal switching time results from the duration of the switching impulse on time For that reason the actual minimal switching time depends directly from the...

Page 34: ... off 1 Central unit does not send coil off 0 Central unit sends Coil off 2 In standard operation the decoder checks directly after having been switched on if the booster for the connected section supplies a RailCom cutout In case faulty detections are mounting the RailCom check should be switched off This has no effect on the feedback with RailCom The central unit sending a coil off signal or not ...

Page 35: ...tched properly or were switched manually à Check the turnouts Assignment of the flashing sequences to the turnouts 1 x flashing break 1 x flashing break turnout 1 2 x flashing break 2 x flashing break turnout 2 3 x flashing break 3 x flashing break turnout 3 4 x flashing break 4 x flashing break turnout 4 The decoder does not work Possible cause The connection of the decoder to the central unit an...

Page 36: ...ccur our hotline is pleased to help you mail address on the last page Repairs You can send in a defective decoder 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 50 of the current sales price according to our valid price list We reserve the right to reject the repairing of a module...

Page 37: ...s and quality of the components as well as the function of the parts according to the parameters in not mounted state We guarantee the adherence to the technical specifications when the kit has been assembled and the ready built circuit connected according to the manual and when start and mode of operation follow the instructions We retain the right to repair make improvements to deliver spares or...

Page 38: ...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 2011 65 EG on the restriction of the use of certain hazardous substances in electrical and electronic equipment ROHS Underlying standard EN 50581 12 Declarations conforming to the W...

Page 39: ...n n Information and tips n n http www tams online de n n n Warranty and service n n Tams Elektronik GmbH n 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 de n n n n ...

Page 40: ...t a m s e l e k t r o n i k ...

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