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WRM-4

t

a

ms elektronik

Parts list

Carbon film resistors

R3, R4, R11, R12, R19, R20, R27, R28 

1 k

R2, R5, R6, R9, R10, R13, R14, R17, R18, 
R21, R22, R25, R26, R29, R30, R33, R34

10 k

R1, R35, R36, R37, R38

47 k

R7, R8, R15, R16, R23, R24, R31, R32

470 k

Diodes

D1, D2, D3, D4, D5, D6, D7, D8, D9, D10,
D11, D12, D13, D14, D15, D16

1N4148

D17

1N540x, x=2...7

D18

1N400x, x=2...7

Ceramic capacitors

C2

10 nF

C3, C4, C5, C6, C7, C8, C9, C10, C11, 
C12, C13, C15  

100 nF

Electrolytic capacitors 

C1

470 µF / 25 V

C14

100 µF / 25 V

Transistor

T2

BC327

Integrated circuits (ICs) IC1

40106N

IC2

ULN2803

IC3

LM339N

IC-sockets

IC1, IC3

14-pole

IC2

18-pole 

Voltage regulators 

IC4

7812

Terminal strips

X1

2 x 8-pole

X2

1 x 3-pole

12 | Assembling the kit 

Summary of Contents for WRM-4

Page 1: ...WRM 4 Turnout detector 4 fold Manual Item nos 52 02045 52 02046 52 02047 tams elektronik n n n...

Page 2: ...translation Copies reproductions and alterations in any form require the written permission of Tams Elektronik GmbH We reserve the right to make technical changes Printing the manual The formatting i...

Page 3: ...5 4 2 Functional test 16 4 3 Connecting the turnouts 16 4 4 Connecting lamps or LEDs 17 4 5 Connecting the power supply 18 4 6 Embedding in a digitally controlled layout 18 5 Connecting subordinate ci...

Page 4: ...1 or 1 turnout detector WRM 4 in housing item no 52 02047 01 1 2 Accessories To assemble the kit you will need a soldering iron with temperature control and a thin tip and a deposit stand or a control...

Page 5: ...he environment After condensation has formed wait two hours for acclimatisation before use Disconnect the detector from the power supply before carrying out wiring work Supply the detector only with e...

Page 6: ...the actual position of the turnout can differ from the position of the drive e g when there are interferences of the tongue s movement due to parts of railway ballast Each detector can detect the posi...

Page 7: ...cause skin burns As a precaution use a heat resistant mat during soldering always put the hot soldering iron in the soldering iron stand point the soldering iron tip carefully when soldering and remov...

Page 8: ...multaneously As soon as the solder begins to flow remove it from the soldering point Then wait a moment for the solder to flow well before removing the soldering iron from the soldering joint Do not m...

Page 9: ...tage always will destroy the diode and allow current to flow in the reverse direction The diode type is printed on the body Diodes must be mounted in a given direction The negative end is marked with...

Page 10: ...lled DIL housing from which 4 6 8 14 16 18 or more legs pins are arranged along the long sides ICs are sensitive to damage during soldering heat electrostatic charging For that reason in the place of...

Page 11: ...tams elektronik WRM 4 3 4 PCB layout and parts list PCB layout Assembling the kit 11...

Page 12: ...D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 1N4148 D17 1N540x x 2 7 D18 1N400x x 2 7 Ceramic capacitors C2 10 nF C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C15 100 nF Electrolytic capacitors C1 470 F...

Page 13: ...s the markings on the PCB board 4 Ceramic Capacitors Mounting orientation of no importance 5 Transistor Observe the polarity With transistors for a high power rating in TO packages e g BD types the un...

Page 14: ...ve 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...

Page 15: ...g to d c Voltage When connecting the detector to a c voltage the polarity is of no importance X2 2 RL X2 3 Reverse conductor for the outputs E1a X1 1 turnout 1 position ahead E1b X1 9 turnout 1 positi...

Page 16: ...hot disconnect the detector from the voltage supply immediately Risk of short cirvuit Check the assembly Perform the functional test for the four function areas one after another connecting one point...

Page 17: ...e forward voltage of the LED which depends on the colour and the current Calculating the series resistor necessary RV Ohm UB V UF V IF mA x 0 001 UB operating voltage UF forward voltage of the LED IF...

Page 18: ...en the different components you have be careful to assign earth and voltage consistently 4 6 Embedding in a digitally controlled layout When you want to use the WRM 4 in combination with a turnout dec...

Page 19: ...ts of the feedback modules as small as possible you can connect only one output of each function area for one position In theory the drive must be in the other position when the connected output is no...

Page 20: ...to the outputs of the WRM 4 Pay attention to connect the anode of the free wheeling diode to the output of the WRM 4 When supplying the WRM 4 with a c voltage the relay possibly does not switch prope...

Page 21: ...y polarised Check the connections The lamps or LEDs are defective Check the lamps by connecting them directly to the voltage supply The diode D17 is soldered in the wrong way around Alter the mounting...

Page 22: ...warranty or guarantee claim we are entitled to charge you the costs of the repair and the costs of the return shipment We charge a maximum of 50 of the new price for the repair according to our valid...

Page 23: ...12 24 Volt d c voltage The turnout detector should not be fed via the voltage supply for the digital system Please use a separate transformer for the WRM 4 or all turnout detectors in the layout with...

Page 24: ...on 10 85 non condensing Ambient temperature during storage 10 40 C Permissible relative humidity during storage 10 85 non condensing Other features Dimensions approx Circuit board 72 x 82 mm Ready dev...

Page 25: ...f 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 th...

Page 26: ...product is subject to the requirements of the EU Directive 2012 19 EC on Waste Electrical and Electronic Equipment WEEE i e the manufacturer distributor or seller of the product must contribute to th...

Page 27: ...tams elektronik WRM 4 27...

Page 28: ...ation and Tips n n http www tams online de n n n n Warranty and Service n n Tams Elektronik GmbH n Fuhrberger Stra e 4 DE 30625 Hannover n fon 49 0 511 55 60 60 fax 49 0 511 55 61 61 n e mail modellba...

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