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tams elektronik RailCom RCD-2 Manual

2-fold railcom detector with integrated 2-fold track occupancy indicator and 8 switching outputs
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Manual
RCD-2
Item no. 45-01025 | 45-01026 | 45-01027
2-fold RailCom detector
with integrated 2-fold track occupancy indicator
and 8 switching outputs
tams elektronik
n n n

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Summary of Contents for tams elektronik RailCom RCD-2

  • Page 1 Manual RCD-2 Item no. 45-01025 | 45-01026 | 45-01027 2-fold RailCom detector with integrated 2-fold track occupancy indicator and 8 switching outputs tams elektronik n n n...

  • Page 2: Table Of Contents

    12. EU declaration of conformity............39 13. Declarations conforming to the WEEE directive......39 © 07/2013 Tams Elektronik GmbH All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, without prior permission in writing from Tams Elektronik GmbH.

  • Page 3: Getting Started

    RCD-2 English 1. Getting started How to use this manual 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.
  • Page 4 English RCD-2 Checking the package contents Please make sure that your package contains:  one kit, containing the components listed in the parts list and one PCB or  one ready-built module or  one ready-built module in a housing (complete unit), ...
  • Page 5 RCD-2 English As a power supply for the RCD-2 you cannot use the transformer supplying the digital control. It is recommended to use a separate transformer for the supply of all RailCom components on your layout (12 – 18 V d.c. or a.c. voltage.) If you intend to display and / or transfer the read-out data to a PC, you need external display devices resp.

  • Page 6: Safety Instructions

    English RCD-2 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. Visibly damaged parts can cause unpredictable danger. Do not use damaged parts: recycle and replace them with new ones. Electrical hazards ...
  • Page 7 RCD-2 English Fire risk 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.

  • Page 8: Safe And Correct Soldering

    English RCD-2 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. 3. Safe and correct soldering Caution: Incorrect soldering can cause dangers through fires and heat. Avoid these dangers by reading and following the directions given in the chapter Safety instructions.
  • Page 9 RCD-2 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.

  • Page 10: Background Information: Railcom

    PC interfaces. That is the reason why the use of detectors, display devices and PC interfaces of one manufacturer is mandatory. The data bus used by Tams Elektronik for the communication between detectors, display devices and PC interfaces allows you ...
  • Page 11 RCD-2 English Example for the data transfer in the Tams specific data bus          There are five different detectors connected to the data bus, all together controlling 13 separate track sections. In order to display and exploit the data there are used: ...

  • Page 12: Operating Mode Of The Rcd-2

    English RCD-2 5. Operating mode of the RCD-2 Supervising track sections with RailCom The RailCom detector RCD-2 picks up the RailCom signals from maximum two track sections separated from each other. These are possibly:  Addresses of the vehicle decoders in the rail section. The decoder´s address is sent permanently.
  • Page 13 RCD-2 English Detection of the rerailing direction In 2-rail systems the detector detects the direction in which the locomotive has been rerailed. This information is of importance e.g. when the locomotive´s direction has to be detected in invisible sections or serves as a basis for a PC software. The rerailing direction is displayed in assigned display devices (e.g.

  • Page 14: Technical Specifications

    English RCD-2 6. Technical specifications Attention: As a power supply for the RCD-2 you should not use the transformer supplying the digital control. If possible you should use a separate transformer supplying only the RailCom components on your layout. Supply voltage 12 - 18 Volt d.c.

  • Page 15: Assembling The Kit

    RCD-2 English 7. 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. The separate electronic components have the following special features you should take into account in assembling: Resistors Resistors reduce current.
  • Page 16 English RCD-2 Metal film resistors have 5 colour rings. The 5th ring (given in brackets here) indicates the tolerance of the resistor (brown = 1 %). Value: Colour rings: 1,5  brown - green – black - silver (brown) Ceramic capacitors Among other things ceramic capacitors are used for filtering interference voltages or as frequency determining parts.
  • Page 17 RCD-2 English Light emitting diodes (LEDs) When operated in the forward direction the LEDs light. They are available in several different versions (differing in colour, size, form, luminosity, maximum current, voltage limits). Light emitting diodes should always be connected via a series resistor which limits the current and prevents failure.
  • Page 18 English RCD-2 Microcontrollers Microcontrollers are ICs, which are individually programmed for the particular application. The programmed controller are only available from the manufacturer of the circuit belonging to it. 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.
  • Page 19 RCD-2 English Parts list Carbon film R13, R21 220 W resistors R10, R15, R24, R26 560 W 820 W R3, R11, R12, R14, R17 1 kW R1, R4 2,2 kW R5, R7, R8, R16 4,7 kW R6, R9, R19, R20, R27, R28 10 kW 33 kW 270 kW...
  • Page 20 English RCD-2 MEGA162P Micro-Controler PC827 Photocoupleurs IC-sockets 40-pole IC2, OK2 8-pole 16-pole 14-pole Voltage regulators IC 4 7805 Terminal strips 1 x 3-pole X1, X2, X5 2 x 9-pole Double terminal strips Solder pin 2-pole Not assembled R18, C12, C13, Q2, SV1, SV3, Distortion resistors RS1 120 W RS2, RS3...
  • Page 21 RCD-2 English Fig. 2: PCB layout 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.
  • Page 22 English RCD-2 Resistors Mounting orientation of no importance. (except R3, R15, R24, R26, R27 and R28) Diodes 1N400x Observe the polarity! The negative end of the diodes is marked with a ring. This is shown in the PCB layout. Ceramic Mounting orientation of no importance.
  • Page 23 RCD-2 English 10. Transistors Q3 Observe the polarity! 11. Diodes 1N540x Solder diodes that way, their bodies are standing upright on the PCB. Observe the diodes´polarity! 12. Terminal strip X3 Put together the terminal strips before mounting them. 13. Light emitting Observe the polarity! diodes (LEDs) With wired LEDs the longer lead is always...

  • Page 24: Connecting The Rcd-2

    English RCD-2 8. Connecting the RCD-2 Separating the controlled track sections The track sections (maximum 2) controlled by the RCD-2, have to be separated from the remaining tracks. For that purpose  one conductor with 2-rail systems or  the middle conductor with 3-rail systems has to be cut through at both ends of the track section.
  • Page 25 RCD-2 English Connecting the power supply Attention: As a power supply for the RCD-2 you should not use the transformer supplying the digital control. If possible you should use a separate transformer supplying only the RailCom components on your layout. If you use a d.c.
  • Page 26 English RCD-2 Return conductor for switching outputs X1 to X8 switching output 1 / additional device 1 switching output 2 / additional device 2 switching output 3 / additional device 8 Connecting the integrated track occupancy indicator In order to integrate the RCD-2 into conventional feedback systems controlling nothing but the busy conditon of the track sections, you can connect the two integrated track occupancy indicators to the inputs of external feedback modules (e.g.
  • Page 27 RCD-2 English Tams specific RailCom bus line A Tams specific RailCom bus line B Hint: You assign the display devices to the RCD-2 by programming the address (see section 9). Fig. 3: Connection diagram Page 27...
  • Page 28 English RCD-2 Connecting distortion resistors With the RCD-2 interferences in the RailCom data bus can result in an incorrect transfer of the RailCom messages to the connected display devices or in a very slow data transfer. In this case you should connect additional resistors (included in the package) according to fig.

  • Page 29: Programming The Rcd-2

    RCD-2 English LED-display When the LED on the RCD-2 is illuminated, the detector is ready for operation. When changing into the programming mode the LED starts flashing continuously. 9. Programming the RCD-2 By programming the configuration variables (CVs) you set separately for the two detectors of the RCD-2: ...
  • Page 30 English RCD-2 Programming the detectors´ addresses Name of CVs Input value Remarks and tips (Default value) Address 1 ... 24 Address of detector 1 in the detector 1 RailCom data bus. CV#9 = alternative CV Address 1 ... 24 Address of detector 2 in the detector 2 RailCom data bus Reading-out the CVs of the RCD-2...
  • Page 31 RCD-2 English Assigning the locomotive addresses to the detectors You can assign up to 13 locomotive address groups to each of the two detectors. In one group is possible:  a single locomotive address,  several locomotive addresses between a lowest and a highest address Notice: You can invert the locomotive address groups when assigning the switching outputs.
  • Page 32 English RCD-2 Assigning locomotive address group 1 to the detectors Name of CVs Input value Remarks and tips (Default value) locomotive 0 ... 99 (0) Thousand and hundred digits of address group 1 the lowest locomotive address for detector 1 0 ...
  • Page 33 RCD-2 English Assigning further locomotive addresses to the detectors In order to assign further locomotive address groups to the detectors proceed as described in the section before. Name of CVs CV no. Remarks and tips Detector 1 50 to 53 locomotive address group 2 Detector 2 60 to 63...
  • Page 34 English RCD-2 Name of CVs Input value Remarks and tips (Default value) Allocation of 0 ... 255 (0) Allocation of the outputs 1 - 8 the outputs to 0 ... 255 (0) Inverted allocation of the detector 1 outputs 1 - 8 locomotive output 1 address group...
  • Page 35 RCD-2 English Allocation of the outputs to further locomotive addresses In order to allocate further outputs to the detectors and the locomotive address groups proceed as described in the section before. Name of CVs CV no. Remarks and tips Allocation of 44 and 46 Detector 2 / locomotive address group 1 the outputs...

  • Page 36: Check List For Troubleshooting

    English RCD-2 10. Check list for troubleshooting  Parts are getting too hot and/or start to smoke. Disconnect the system from the mains immediately! Possible cause: one or more components are soldered incorrectly. à In case you have mounted the module from a kit, perform a visual check (à...
  • Page 37 RCD-2 English Possible cause: The vehicle decoder in the supervised rail section does not send a RailCom message, e.g. when in the corresponding CV the RailCom function is set to off. à Check the vehicle decoder.  When a locomotive pulls into a connected track section the outputs always switch, independant of the locomotive address.

  • Page 38: Guarantee Bond

    English RCD-2 11. Guarantee bond 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 self- employment.

  • Page 39: Eu Declaration Of Conformity

    This product conforms with the EC-directive 2012/19/EG on waste electrical and electronic equipment (WEEE). The Tams Elektronik GmbH is registered with the WEEE-no. DE 37847206, according to. § 6 sect. 2 of the German electro regulations from the responsible authority for the disposal of used electro equipment.
  • Page 40 Information and tips: http://www.tams-online.de Warranty and service: 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.de...

This manual is also suitable for:

45-0102545-0102645-01027

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