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tams elektronik

Multi-Decoder MD-2

English

CV

No. Input value

(Default) 

Remarks and tips

Settings for 
servo 3

46 0.255 (100)

LS = left stop

47 0...255 (150)

RS = right stop

48 0...255 (10)

V = velocity  

68* 0,16,32,48 (0)

Teetering / direction
0 = no teetering
16 = teetering left
32 = teetering right
48 = teetering on both sides

72 0...255 (40)

Teetering / velocity  

Settings for  
servo 4

49 0...255 (100)

LS = left stop

50 0...255 (150)

RS = right stop

51 0...255 (10)

V = velocity  

68* 0,64,128,192 (0) Teetering / direction

0 = no teetering
64 = teetering left
128 = teetering right
192 = teetering on both sides

73 0...255 (40)

Teetering / velocity 

Settings for 
servo 5

52 0...255 (100)

LS = left stop

53 0...255 (150)

RS = right stop

54 0...255 (10)

V = velocity  

69* 0,1,2,3 (0)

Teetering / direction
0 = no teetering
1 = teetering left
2 = teetering right
3 = teetering on both sides

74 0...255 (40)

Teetering / velocity 

Page 29

Summary of Contents for Multi-Decoder MD-2

Page 1: ...t a m s e l e k t r o n i k Manual Multi Decoder MD 2 Item no 43 03126 43 03127 8 fold servo decoder and 4 fold turnout decoder tams elektronik n n n MM DCC ...

Page 2: ...n writing from Tams Elektronik GmbH Subject to technical modification Remark RailCom is a German trademark registered in the name of Lenz Elektronik for class 9 Electronic Controls under the number 301 16 303 and a trademark registered in the U S A under Reg No 2 746 080 for classes 21 23 26 36 and 38 Electronic Controls for Model Railways In order to increase the readability of the text we have r...

Page 3: ... 5 2 Connecting push buttons Operating mode 2 16 5 3 Connecting accessories Operating mode 1 17 5 4 Power supply 19 5 5 Connection examples 21 6 Programming the decoder 22 6 1 Programming decoder addresses 22 6 2 Possible settings and default values 25 6 3 Programming CVs 26 7 Check list for troubleshooting 32 8 Guarantee bond 35 9 EU declaration of conformity 36 10 Declarations conforming to the ...

Page 4: ...lems in the future If you pass the decoder on to another person please pass on the manual with it Intended use The Multi Decoder MD 2 is 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 Multi Decoder MD 2 should not be mounted by children under the age of 14 Reading understanding ...

Page 5: ...ic electricity Do not touch components without first discharging yourself Touching a radiator or other grounded metal part will discharge you 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...

Page 6: ... mains sockets installed by an authorised electrician Observe cable diameter requirements After condensation build up allow a minimum of 2 hours for dispersion Use only original spare parts if you have to repair the kit or the ready built module Other dangers Children can cause any of the accidents mentioned above because they are inattentive and not responsible enough Children under the age of 14...

Page 7: ...r other accessories or push buttons for manual activation of the servos can be connected Operating mode 1 8 fold servo decoder turnout and or switching decoder Connecting area 1 pin headers 8 servos 1 8 fold servo decoder Connecting area 2 terminal strips 4 solenoid accessories 2 4 fold turnout decoder or 8 other accessories 3 8 fold switching decoder or combination of turnouts and other accessori...

Page 8: ...s to control for example turnouts semaphore signals or railroad crossing gates 2 Solenoid accessories accessories switched by short switching impulses for example coil driven turnouts with or without limit stop coil driven semaphore signals decouplers Hint In order to control motor run turnouts you need an additional adapter AMW 2 3 Other accessories for example light signals to switch over betwee...

Page 9: ...opped automatically Linear motion with teetering at the end positions typical motion sequence of semaphore signals and railroad crossing gates The teetering motion has to be set separately for each direction of motion Driving the decoder via accessory decoder commands Turnouts servos or other accessories are operated via accessory decoder commands in DCC or Motorola format sent from the controla u...

Page 10: ... central unit the accessory decoder address has to be set with a push button switch Changing the other decoder s features is not possible in layouts run in Motorola format only Feedback via RailCom according to RCN 217 The Multi Decoder MD 2 is RailCom compatible i e the decoder is able to pass the RailCom messages via the rails to special RailCom detectors After a switching or setting command to ...

Page 11: ... to eliminate the overload and to switch on the decoder again Caution When connecting an in or output to a live wire e g to the power supply a very high current occurs suddenly In this case the overload protection is ineffective the decoder can be damaged irreparably Power supply The Multi Decoder MD 2 can either be supplied by the central unit or a booster In order to release the digital electric...

Page 12: ...age of the central unit or 14 20 V a c voltage Current consumption without connected devices approx approx 40 mA Connecting area 1 pin headers 8 servos max current output 1 000 mA Connecting area 2 terminal strips 4 pairs of outputs depending on the operating mode for use as 8 switching outputs or 4 turnout outputs max current output up to 2 seconds 1 500 mA continuous 1 000 mA Max total current C...

Page 13: ...ure in use 0 60 C Ambient temperature in storage 10 80 C Comparative humidity allowed max 85 Dimensions of the PCB Dimensions including housing approx 72 x 82 mm approx 100 x 90 x 35 mm Weight of the assembled board including housing approx approx 40 g approx 88 g Page 13 ...

Page 14: ...ervos 1 8 fold servo decoder Connecting area 2 terminal strips 4 solenoid accessories 2 4 fold turnout decoder or 8 other accessories 3 8 fold switching decoder or combination of turnouts and other accessories 8 push buttons for toggling between the servos two end positions suitable for purely analogue operation see page 8 5 1 Connecting servos The connecting area 1 is equipped with pin headers wh...

Page 15: ...l as the maximum current per servo connection is 1 000 mA see section 4 Technical specifications With a too high current consumption of the connected accessories the decoder switches off automatically INFO servo connections Connection Short term Identification symbol Colour of connecting wire deviations possible Voltage supply GND black or brown VCC red Impulse signal PW white or orange Page 15 ...

Page 16: ...r servo 5 3 2 Push button for servo 6 4 5 Push button for servo 7 6 5 Push button for servo 8 10 11 Push button for servo 1 12 11 Push button for servo 2 13 14 Push button for servo 3 15 14 Push button for servo 4 Caution The push buttons should be connected to the decoder only A push button connected to other components of the layout possibly causes a short circuit and as a consequence irreparabl...

Page 17: ...id accessory or two other accessories A mixed use as turnout and switching decoder is possible 1 Output pair 1 T1 Solenoid accessory turnout 1 or switching contact 1 Turnout 1 diverging 1r 2 Return conductor for T urnout 1 3 Solenoid accessory turnout 1 or switching contact 2 Turnout 1 straight 1g 4 Output pair 3 T3 Solenoid accessory turnout 3 or switching contact 5 Turnout 3 diverging 3r 5 Retur...

Page 18: ...4 diverging 4r 14 Return conductor for T urnout 4 15 Solenoid accessory turnout 4 or switching contact 8 Turnout 4 straight 4g Caution The maximum current for connecting area 2 as well as the maximum continuous current per output is 1 000 mA see section 4 Technical specifications With a too high current consumption of the connected accessories the decoder switches off automatically Caution Be sure...

Page 19: ...grams 7 Power supply transformer 8 Input DCC signal 9 not in use 16 Power supply transformer 17 Input DCC signal central unit 18 not in use 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 central unit Caution Switch off the central unit before connecting the decoder Page 19 ...

Page 20: ... MD 2 Power supply via separate transformer Caution When connecting several devices to the same voltage supply generally all connections have to be polarised identically Otherwise a short circuit will occur possibly damaging connected devices Page 20 ...

Page 21: ...n i k Multi Decoder MD 2 English 5 5 Connection examples Connecting coil driven turnouts Connection of turnouts to terminals 4 to 6 turnout 4 Connecting decouplers Connection of turnouts to terminals 4 to 6 turnout 4 Page 21 ...

Page 22: ...h button Changing the other decoder s features is impossible with Motorola central units 6 1 Programming decoder addresses Addresses of the Multi Decoder MD 2 Depending on the set operating mode two or three consecutive quadruple accessory decoder address blocks are assigned to each decoder address Connecting area 1 Connecting area 2 Number of accessory decoder address blocks Operating mode 1 Serv...

Page 23: ...B The LED flashes 2 Set one of the addresses from the first quadruple accessory decoder address block you want to use for switching the connected accessories at the central unit e g address 10 from the quadruple accessory decoder address block 9 12 Perform a switching command for the chosen address 3 As soon as the LED goes out the decoder has taken over the new address The reqiuired addresses are...

Page 24: ...h 0 The addresses assigned to an address block shift accordingly CV No Input value Default Remarks and tips Decoder address 1 to 63 1 1 2 3 63 1 NB In addition you have to input the value 0 in CV 9 Decoder address 64 to 510 9 0 1 2 3 7 0 Please notice You 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...

Page 25: ...s are switched off or sent further to be set individually for each servo For all 8 servos servo signals are switched off as soon as the servo has reached its rest position Servo settings CV 40 63f left right stop servo velocity to be set individually for each servo Follow up time of servos CV 67 0 25 2 s to be set in common for all servos 500 ms Teetering CV 68 CV 69 especially for semaphore signa...

Page 26: ...g the value 0 for the on time allows the use as a changeover switch switching decoder 6 3 Programming CVs Basic features CV No Input value Default Remarks and tips Version 7 Read only Manufacturer 8 62 Read only Reset 8 0 255 Any input value restores the settings in state of delivery Choosing the operation mode CV No Input value Default Operation mode no Value of the CV Operation mode 39 0 1 0 1 s...

Page 27: ...o switch it off in CV 29 Settings for connecting area 1 servos CV No Input value Default Signal for is sent further is switched off servo control in rest 65 0 1 2 3 4 5 6 255 255 servo 1 0 1 servo 2 0 2 servo 3 0 4 servo 4 0 8 servo 5 0 16 servo 6 0 32 servo 7 0 64 servo 8 0 128 The servo control signals are sent continuously the decoder controls the servo in rest Please note With this setting sna...

Page 28: ...etering direction 0 no teetering 1 teetering left 2 teetering right 3 teetering on both sides 70 0 255 40 Teetering velocity for both directions of motion Each step changes the velocity of teetering by 100 µs 0 1 msec Settings for servo 2 43 0 255 100 LS left stop 44 0 255 150 RS right stop 45 0 255 10 V velocity 68 0 4 8 12 0 Teetering direction 0 no teetering 4 teetering left 8 teetering right 1...

Page 29: ...255 40 Teetering velocity Settings for servo 4 49 0 255 100 LS left stop 50 0 255 150 RS right stop 51 0 255 10 V velocity 68 0 64 128 192 0 Teetering direction 0 no teetering 64 teetering left 128 teetering right 192 teetering on both sides 73 0 255 40 Teetering velocity Settings for servo 5 52 0 255 100 LS left stop 53 0 255 150 RS right stop 54 0 255 10 V velocity 69 0 1 2 3 0 Teetering directi...

Page 30: ...S left stop 59 0 255 150 RS right stop 60 0 255 10 V velocity 69 0 16 32 48 0 Teetering direction 0 no teetering 16 teetering left 32 teetering right 48 teetering on both sides 76 0 255 40 SW V Velocity of teetering Settings for servo 8 61 0 255 100 LS left stop 62 0 255 150 RS right stop 63 0 255 10 V velocity 69 0 64 128 192 0 Teetering direction 0 no teetering 64 teetering left 128 teetering ri...

Page 31: ... 2 operation mode 1 CV No Input value Default Remarks and tips On time of the outputs Defines how long the switching impulse is applied the output is switched on Turnout 1r 31 For use as a switching decoder 0 For use as a turnout decoder 1 2 255 3 Switched on till the next switching impulse to the same accessory decoder address 0 Turnout 1g 32 Turnout 2r 33 Turnout 2g 34 100 milliseconds msec 1 Tu...

Page 32: ... connection of the decoder to the accessory is interrupted Check the connections Possible cause The central unit is not operating Check if the central unit is ready for operation Possible cause The connected accessory is defective Check the accessory Connected accessories do not react to switching commands as expected do not react to switching the push buttons Possible cause Another operation mode...

Page 33: ...accessory s current consumption exceeds the maximum values Check the accessory s current consumption If necessary use an external voltage supply for servos or a relay to switch accessories The decoder switches off connected accessories some time after having sent switching commands to the accessory Possible cause For the output the on time is set to a value greater than 0 CV 31 38 Check the settin...

Page 34: ...ee 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 when the repair is impossible for technical or economic reasons Please do not send in decoders for repair charged to us In case of warranty we will reimburse the forwarding expenses up to the flat rate we charge according to our valid price l...

Page 35: ...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 t...

Page 36: ...stalled 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 10 Declarations conforming to the WEE...

Page 37: ...t a m s e l e k t r o n i k Multi Decoder MD 2 English Page 37 ...

Page 38: ...t a m s e l e k t r o n i k English Multi Decoder MD 2 Page 38 ...

Page 39: ...t a m s e l e k t r o n i k Multi Decoder MD 2 English Page 39 ...

Page 40: ...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 ...

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