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LD-G-43

3.7. Use of the LD-G-43 in locomotives with AC motor

The LD-G-43 has been designed to control  direct current (DC) motors,  for that reason it
cannot be connected directly to alternating current (AC) motors. You can control AC motors
with the LD-G-43 and benefit of the load control when

mounting a load control adapter (e.g. item number 70-02105 or 70-02106) between AC
motor and decoder or 

replacing   the   field   coil   of   the   AC   motor   by   a   permanent   magnet   (e.g.   item   number
70-04100, 70-04200 or 70-04300). 

3.8. Mounting decoders without interface

Locate the position for the decoder after opening the locomotive  housing. Disconnect the
motor from the rail current collectors or the change-over switch from the motor and rails if you
have a locomotive with electronic change-over switch. The change-over switch is no longer
necessary, you can remove it. 

Caution:

The interference suppression devices mounted to the motor or the connecting wire must not
be removed! Motor and interference suppression devices are one unit. If even one part is
removed, it can cause extreme interference! 

Connecting the decoder to the motor

Connect the decoder to the motor and the current collectors or the slider / vehicle ground
(track left and right) according to the connection drawing. 
Only for analogue operation on 2-rail DC systems: If the direction of travel of the locomotive in
analogue operation does not match the direction of travel set on the transformer, you must
change the connections leading to the current collectors (track right and left).

Connecting the DC motor and the power supply

Track left = left current collector or slider
Track right = right current collector or vehicle 
ground

Connections | 29

Summary of Contents for LD-G-43

Page 1: ...Manual LD G 43 without connecting cables Item no 41 04430 LD G 43 with connecting cables Item no 41 04431 LD G 43 with NEM 652 connector Item no 41 04432 LD G 43 with PluX22 plug Item no 41 04433 tams elektronik n n n DCC DCC A MM ...

Page 2: ...rface RCN 217 DCC feedback protocol RailCom RCN 218 DCC A Automatic registration RCN 227 DCC Extended Function Assignment RCN 530 Inrush Current Limitation for Decoders Boosters RCN 600 SUSI Bus Module Extension Interface The standards are published at www railcommunity org Notes on RailCom RailCom is a German trademark registered in the name of Lenz Elektronik for class 9 Electronic Controls unde...

Page 3: ...d interfaces 17 2 7 Triggering the actions 19 2 8 Feedback with RailCom 20 2 9 Automatic registration according to RCN 218 DCC A 20 3 Connections 22 3 1 Safety instructions 22 3 2 Safe and correct soldering 23 3 3 Avoiding irreparable damage to the decoder 24 3 4 Pin assignment LD G 43 Front side 25 3 5 Pin assignment LD G 43 Rear side 27 3 6 Using decoders with interface connectors 28 3 7 Use of ...

Page 4: ...ngs for analogue mode 55 5 10 Sensivity of the overload protection 56 5 11 Auxiliary functions 57 5 12 Information 57 6 Checklist for troubleshooting and error correction 58 6 1 Problems with programming the decoder 58 6 2 Problems in driving mode 58 6 3 Problems with the feedback of the decoder 59 6 4 Problems when switching functions 60 6 5 Problems when switching via the switching input 60 6 6 ...

Page 5: ...4431 with connecting cables cable length 100 mm 41 04432 with 8 pole plug according to NEM 652 41 04433 with 22 pole plug according to NEM 658 and RCN 122 PluX22 1 2 Required accessories Tools and consumables For mounting and connecting decoders without interface you need a soldering iron with temperature control and a thin tip and a deposit stand or a controlled soldering station a scraper rag or...

Page 6: ...r a buffer circuit e g USV mini 0 47 capacity 0 47 F item no 70 02215 or 70 02216 USV mini 1 0 capacity 1 0 F item no 70 02225 or 70 02226 USV mini 1 5 capacity 1 5 F item no 70 02235 or 70 02236 Automatic triggering of switching operations If you want to trigger switching operations automatically you need reed contacts 1 x closing contact e g item no 84 53110 and or Hall sensors e g item no 84 53...

Page 7: ...can lead to incalculable hazards Prevent these dangers by carrying out the following measures Only carry out installation work when the decoder is de energised When carrying out soldering work on the decoder also observe the instructions in sections 3 1 and 3 2 Only carry out installation work in closed clean and dry rooms Avoid moisture wetness and splashing water in your working environment Supp...

Page 8: ...rogramming on the programming track DCC conform or PoM Programming on Main main track programming Registers Background info SDF Speed Direction Function This procedure makes it possible to transmit speed direction and function commands combined in a single command instead of individually in several commands This significantly reduces the transmission time for the commands to the vehicle decoders w...

Page 9: ...ecognition can be switched off e g if the decoder suddenly switches to analogue mode in digital operation e g as a result of interference voltages whose cause is difficult to localise if a value for the Packet Time Out is programmed to perform a forced stop in case of track voltage failure or shutdown if the procedure braking with DC voltage Märklin braking distance is used Switching the function ...

Page 10: ...ction of the decoder is ineffective as long as the total current of the decoder is not also exceeded The output in question will be damaged Attention By lowering the overload response threshold the influence of short term interference voltages from the motor or connected consumers is to be reduced This prevents the motor from being switched off although the permissible total current has not been e...

Page 11: ...very small divergences If the set value is too high the locomotive stutters massively while moving KD The differential component of the load control ensures that the control is not converted too quickly If the set value is too low the locomotive stutters If it is too high the locomotive rocks while moving Gain factor The basis for the influence of the load control on the motor voltage is the volta...

Page 12: ... adjusted acceleration and brake delay acceleration and brake rate achieves a prototypical jerk free acceleration and braking of the locomotive For this purpose in the CVs is set separately for starting and braking how much time should pass before the decoder changes to the next higher or lower speed level The decoder then changes the speed level successively until the set speed level is reached T...

Page 13: ...tive covers with the set brake delay at the highest possible speed level until it comes to a stop If the braking process is triggered at a lower speed level the time until the change to the next lower speed level is automatically extended This ensures that the braking distance is always the same regardless of the speed level when the braking process is started The length of the braking distance is...

Page 14: ...eleased or the locomotive moves out of the braking section it accelerates with the set acceleration delay up to the set speed level Background information ABC braking method Automatic Break Control The ABC method is based on the fact that in the braking section an asymmetrical voltage is applied to the track instead of a symmetrical one In order to be able to use the ABC braking method the booster...

Page 15: ...f a pure DC voltage e g Märklin braking section with the corresponding CV setting and then automatically reduces the driving speed with the set brake delay or the set braking distance In the braking section the status of the switched functions is retained In contrast to the ABC braking method the functions cannot be switched the CVs of the decoder cannot be changed the direction of travel of the l...

Page 16: ...ssociated reduction of speed the shunting light white front and rear light is switched on automatically At the same time the function that switches on the shunting gear can be used to deactivate the acceleration and brake delay function Example of programming for shunting operation section 5 4 2 5 5 Speed dependent switching on and off All function outputs for which the function is activated are a...

Page 17: ...on switched off Switching off the locomotive s rear lights when connecting wagons Effects of the function outputs Direction dependent switching Assignment separately for each output Function Mapping Shunting light Assignment separately for each output Function Mapping Dimming The voltage at the output is reduced Assignment separately for each output Application example By reducing the voltage the ...

Page 18: ...nd down together for all outputs to which the function is assigned Application example Simulation of old oil or incandescent lamps CV programming CV 55 62 CV 100 Fire simulation The voltage at the output is reduced increased in short irregular intervals connected LEDs or lamps produce the flickering light typical for an open fire Assignment separately for each output Application example Simulation...

Page 19: ... external SUSI module e g a sound module can be connected The SUSI module is read out programmed and controlled via the decoder The locomotive decoder transmits the status of the functions and the speed level set at the control unit to the SUSI module This influences speed dependent functions of the SUSI module e g the motor noise 2 7 Triggering the actions The switching on and off of the function...

Page 20: ... 127 which change during operation e g real speed reception statistics tank content If needed they are sent by the decoder spontaneously The reception statistics are kept by the vehicle decoder and reported as number of faulty data packages in relation to the total number of data packages These statistics allow conclusions on the transmission quality between vehicle and rails Dynamic RailCom infor...

Page 21: ...o vehicle decoder with the same address is available the desired address set in the CVs is adopted Name and short name LD G 43 The decoder can be assigned its own name and or short name max 8 characters Product name LD G 43 no change possible Description no change possible Manufacturer Tams Elektronik no change possible UID e g 12345678 no change possible Protocol e g DCC 28 Protocol according to ...

Page 22: ...sation 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 Only install the decoder in closed clean dry rooms Beware of humidity Supply the decoder only with extra low voltage as specified in the technical data Use only tested and approved transformers Connect transformers and soldering irons only ...

Page 23: ...ined personnel In commercial facilities the relevant accident prevention regulations must be observed 3 2 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 Use a soldering iron with temperature control which you set to approx 300 C Only use electronic s...

Page 24: ...tening and insulation of the decoder or consumers Danger of short circuit In this case the overload protection of the decoder is ineffective 2 No connection of the return conductor to vehicle ground You should under no circumstances connect the decoder s common return conductor for all function outputs to vehicle ground Risk of short circuit 3 Exclude overload Before connecting the motor lights an...

Page 25: ... LD G 43 Front side LD G 43 Version without cables Item no 41 04430 LD G 43 Version with connection cables Item no 41 04431 LD G 43 Version with NEM 652 connector Item no 41 04432 LD G 43 Version with PluX22 plug Item no 41 04433 Connections 25 ...

Page 26: ...r buffer circuit UPS alternatively Return conductor for all functions Info page 28 X7 weiß F0f Lighting forward motion function F0 X8 orange Motor connection 1 plus X9 blue Common return conductor RC for all function outputs Info page 28 X10 grey Motor connection 2 minus X11 Index not assigned X12 red Right current collector or slider X13 yellow F0r Lighting backward motion function F0 X14 black L...

Page 27: ...of wire Connection for use of settings in state of delivery IN1 IN2 grey Switching inputs RC V blue Power supply for Hall sensors Positive pole for backup electrolytic capacitor or buffer circuit UPS Alternatively return conductor for all functions Info page 28 UPS green Control line for buffer circuit GND brown Earth connection for reed contacts Hall sensors Minus pole for backup capacitor or buf...

Page 28: ...ctions and soldering work on the locomotive The locomotive decoder LD G 43 is available with an 8 pole interface according to NEM 652 or with a PluX22 interface according to NEM 658 The interface connects the decoder with the motor the rail pick ups the lighting and or additional accessories 8 pole Number of poles 8 Morop standard NEM 652 Note The 8 pole interface plug must be plugged onto the soc...

Page 29: ... a locomotive with electronic change over switch The change over switch is no longer necessary you can remove it Caution The interference suppression devices mounted to the motor or the connecting wire must not be removed Motor and interference suppression devices are one unit If even one part is removed it can cause extreme interference Connecting the decoder to the motor Connect the decoder to t...

Page 30: ...o vehicle ground the connection is complete If not connect the second side of the lamp or the accessory to the decoder s common return conductor for all function outputs The factory default settings can be found in the tables with the configuration variables sections 5 4 and 5 5 You can assign the outputs to the functions voluntarily by setting the configuration variables Examples for connecting c...

Page 31: ...he nominal voltage specified on the transformer 1 V 1 V gets stuck in the rectifier of the decoder Serial connection of LEDs When you want to connect several LEDs to one output you can switch them in series via a common series resistor The current consumption is max 20 mA for all LEDs depending on the series resistor s value The maximum number of LEDs to be connected in series results from Peak va...

Page 32: ...orescent colour which makes this solution suitable for analogue mode Disadvantageous is the high current consumption The formula for the calculation of the resistor is required RV Ohm UB V UF V IF mA x 0 001 UB operating voltage peak value UF forward voltage of the LED IF current with max luminosity Tip In order to save current you can limit the LEDs current consumption to 10 mA which normally doe...

Page 33: ...e relay named in the example needs approx 100 mA To prevent damage to the output you must connect a free wheeling diode in parallel with the relay Connection of an accessory via a relay 3 11 Connecting the switching inputs The switching inputs switch to decoder ground and can therefore be connected to all external circuits via which a ground connection can be made It is possible for example to con...

Page 34: ...cting Hall sensors Connection of Hall sensors to the switching inputs Assignment of the connections Hall sensor Decoder Note Mixing up the connections ground terminal and supply voltage terminal may damage the Hall sensor Ground terminal Ground terminal GND Supply voltage terminal Voltage output RC or V Output Switching input IN1 or IN2 34 Connections ...

Page 35: ...e a capacity of at least 100 µF and a maximum of 470 F The minimum proof voltage is for exclusive use in digital systems 25 V when used in analogue systems 35 V Pay attention to the correct polarity when connecting Connection of a backup capacitor Connection of a buffer circuit The capacity of buffer circuits is considerably larger than that of backup capacitors e g UPS mini with 0 47 F 1 0 F or 1...

Page 36: ...grammed via the LD G 43 3 14 Completion After completing all connections you should take the following measures to permanently protect the decoder from damage Secure the decoder to prevent short circuits through contact with metal parts of the vehicle You can use double sided adhesive tape or a decoder holder item no 70 01810 or 70 01820 for this purpose When putting on the housing make sure that ...

Page 37: ...t on the track as the decoder inside this vehicle might be programmed as well Starting the programming mode Programming the decoder 1 Switch on the central unit or perform a reset at the central unit pushing stop and go simultaneously 2 Set the current decoder address default value 3 or the address 80 3 Set all functions to off 4 Push button stop switch off the track voltage 5 Operate the directio...

Page 38: ...or 128 speed levels in DCC format 2 Note If you want to use the SDF method you must set the 28 128 speed level mode section 2 1 Note If the decoder is run in Motorola format the setting of the speed step mode has no effect Automatic analogue recognition off 0 Automatic analogue recognition on 4 RailCom off 0 RailCom on 8 Linear velocity characteristic 0 Alternative velocity haracteristic 16 Basic ...

Page 39: ...mat Extended address 17 192 255 195 Only for DCC format Most central units permit entering extended addresses directly The CVs 17 18 and 29 are set automatically to the proper values 18 0 255 232 Consist address 19 1 127 0 Only for DCC format Address for consist operation multi traction 2nd Motorola address 20 0 255 4 Address needed to switch additional functions in Motorola format The function ke...

Page 40: ...d control off 0 Load control on 1 Gain factor 112 1 15 5 Adaptation of the load control to the individual motor voltage Note The adaptation of CV 112 is only necessary if the maximum speed of the locomotive is already reached at a low speed level or is not reached at the highest speed level Change the value only gradually until the desired maximum speed is reached at the highest speed level Settin...

Page 41: ...urve Name No Input values Default Remarks and tips Starting voltage Starting velocity 2 0 255 4 Voltage to be output to the motor at speed level 1 0 0 Volt 255 max voltage Acceleration rate start up deceleration 3 0 255 10 Length of the delay before the switching to the next higher lower speed level when the locomotive is accelerating braking The delay is calculated as follows value of the CV x 0 ...

Page 42: ...ic settings for using the function mapping To get access to the corresponding memory area the so called page the values for Function mapping must be set in CV 31 and 32 default values Name No Input values Default Remarks and tips Index for higher pages 31 0 255 0 Function mapping active 0 32 0 255 42 Function mapping active 42 Configuration variables for function mapping According to RCN 227 eight...

Page 43: ...272 255 F2 f 273 8 AUX2 during forward travel 274 275 0 276 255 F2 r 277 8 AUX2 during backward travel 278 279 0 280 255 F3 f 281 0 282 283 4 SG 284 255 F3 r 285 0 286 287 4 SG 288 255 F4 f 289 0 290 291 8 ABD 292 255 F4 r 293 0 294 295 8 ABD 296 255 F5 f 297 16 AUX3 during forward travel 298 299 0 300 255 F5 r 301 16 AUX3 during backward travel 302 303 0 304 255 F6 f 305 32 AUX4 during forward tr...

Page 44: ...340 255 F10 r 341 0 342 343 0 344 255 F11 f 345 0 346 347 0 348 255 F11 r 349 0 350 351 0 352 255 F12f 353 0 354 355 0 356 255 F12 r 357 0 358 359 0 360 255 F13 f 361 0 362 363 0 364 255 F13 r 365 0 366 367 0 368 255 F14 f 369 0 370 371 0 372 255 F14 r 373 0 374 375 0 376 255 F15 f 377 0 378 379 0 380 255 F15 r 381 0 382 383 0 384 255 F16 f 385 0 386 387 0 388 255 F16 r 389 0 390 391 0 392 255 F17...

Page 45: ...t value F20 f 417 0 418 419 0 420 255 F20 r 421 0 422 423 0 424 255 F21 f 425 0 426 427 0 428 255 F21 r 429 0 430 431 0 432 255 F22f 433 0 434 435 0 436 255 F22 r 437 0 438 439 0 440 255 F23 f 441 0 442 443 0 444 255 F23 r 445 0 446 447 0 448 255 F24 f 449 0 450 451 0 452 255 F24 r 453 0 454 455 0 456 255 F25 f 457 0 458 459 0 460 255 F25 r 461 0 462 463 0 464 255 F26 f 465 0 466 467 0 468 255 F26...

Page 46: ...d AUX2 284 255 no F assigned F3 r 285 12 outputs AUX1 and AUX2 288 255 no F assigned With this programming you achieve the following effects when switching on the shunting mode here with function F3 The three light head signals AUX1 and AUX2 which in normal operation are switched with F0 depending on the direction of travel are switched off The end of train signals F0f and F0r which in normal oper...

Page 47: ...ned F3 r 285 2 output F0r 288 255 no F assigned With this programming you achieve the following effects when switching on the operation with attached wagons here with function F5 The three light head signals AUX1 and AUX2 which in normal operation are switched with F0 depending on the direction of travel are switched off The end of train signals F0f and F0r which in normal operation are switched w...

Page 48: ...0 255 0 Flashing on 2 AUX2 58 0 255 0 Kicking on 4 AUX3 59 0 255 0 Successive dimming up and down off 8 AUX4 60 0 255 0 Fire simulation on 16 AUX5 61 0 255 0 Output on off at the voltage defined in CV 63 32 AUX6 62 0 255 0 Example Alternating flashing with AUX1 and AUX2 Input value for AUX1 CV 59 2 Input value for AUX2 CV 60 3 1 2 Flashing frequency Name No Input values Default Remarks and tips F0...

Page 49: ...uncoupling Setting common for all outputs 110 0 255 5 Motor voltage that is output to the motor when the automatic uncoupling is activated The voltage is applied to the motor for the time set in CV 99 In order to trigger the decoupling roller the following must be set the kick function must be activated for the output in CVs 55 62 a kick time 0 must be set in CV 99 a voltage 0 must be set in CV 11...

Page 50: ...it voltage for switching outputs on off Name No Input values Default Remarks and tips Limit voltage for output on off Setting common for all outputs 63 0 255 16 0 lowest limit voltage 255 highest limit voltage The setting only applies to the outputs for which switching on off has been activated when the voltage set here is reached CV 55 62 By default the output is switched off when the limit volta...

Page 51: ...hing input 2 108 1 255 0 F13 32 F14 64 F15 128 Minimum switch on time of the switching inputs Time period for which the input remains at least on after it has been connected to ground Increasing the input value by 1 extends the time period by 0 1 sec 0 0 sec off 255 25 5 sec Switching input 1 97 0 255 0 Switching input 2 98 0 255 0 Example The shunting gear here switched with F3 is to be activated...

Page 52: ...nel 1 Use of Dynamic channel 1 4 The setting only has an effect if channel 1 is switched on Automatic registration according to RCN 218 DCC A 128 Notes on automatic registration according to RCN 218 DCC A The use of the DCC A procedure is only possible with digital control units that support this registration procedure To be able to use the automatic login via the DCC A procedure the following set...

Page 53: ...et approx 16 This prevents the locomotive from continuing to run unplanned after the track voltage has been switched off e g during an emergency stop or a signal stop Consist operation As a standard in multiple units consist operation you can only control velocity and direction In CV 21 and 22 you can define additional functions to be switched when using the address for multiple units defined in C...

Page 54: ...ABC braking section Constant braking distance Shuttle train operation 121 4 8 12 16 60 4 ABC braking method active 4 Inverted ABC detection 8 Constant braking distance active 16 Shuttle train operation active 32 Notes The constant braking distance can be set independently of the use of the ABC braking method The length of the braking distance is defined by the brake delay CV 4 A prerequisite for s...

Page 55: ... 1 F9 on 2 F10 on 4 F11 on 8 F12 on 16 Reaction to overvoltage pulses analogue alternating current systems 64 0 255 50 Sensitivity with which the decoder reacts to an overvoltage pulse with a change of direction 0 highest sensitivity 255 lowest sensitivity Tip If the sensitivity is set too high the decoder reacts to interference voltages from the system with a change of direction If it is set too ...

Page 56: ...es off the motor not the function outputs if the permissible total current is exceeded or if there is a short circuit at the motor output the maximum form of an overload Short term interference voltages of the motor or connected loads can cause the motor to switch off although the permissible total current has not been exceeded and there is no short circuit at the motor output In this case the sen...

Page 57: ...rmat only Function mapping 0 32 0 42 Adjustable in DCC format only Function mapping 42 Note If different values are entered in CV 31 and or 32 it is not possible to use the function mapping The settings for the function outputs and the special functions cannot be changed then 5 12 Information Name No Input values Default Remarks and tips Version 7 Readable in DCC format only Manufacturer 8 62 Read...

Page 58: ...decoder is insufficient à Check the current collectors the slider and if necessary ensure a better current consumption The locomotive stops and the lights that are switched with F0 flash Cause The overload protection has been activated because the current consumption is higher than the maximum total current of the decoder or there is a short circuit at the motor output à Eliminate the cause of the...

Page 59: ... variables are inconsistent à Perform a decoder reset and set the values for the motor control again Follow the instructions in section 5 3 The load control is switched off à Check the settings in CV 116 The load control is poorly set In this case the locomotive jerks or rocks when driving à Set the default values again and follow the instructions in section 5 3 when setting the load control param...

Page 60: ...when switching via the switching input No function is triggered after passing a permanent magnet in the track Possible causes The reed contact or the Hall sensor is connected incorrectly à Check the connection The distance to the magnet is too great or the magnet is too weak à Change the position of the magnet if possible or insert a stronger magnet The magnet is installed with the wrong polarity ...

Page 61: ...ducts is free of charge for you In the event of a warranty or guarantee claim the repair and return are also free of charge for you If there is no warranty or guarantee case we will charge you the costs of the repair and the costs of the return We charge a maximum of 50 of the new price for the repair according to our valid price list Carrying out the repair s By sending in the product s you give ...

Page 62: ...o 41 04432 8 pole according to NEM 652 Item no 41 04433 PluX22 according to RCN 122 SUSI interface all LD G 43 versions Version classic SUSI according to RCN 600 Number of switching inputs 2 Number of switching outputs 8 Connection for backup capacitor or buffer circuit 1 Connection for control line of buffer circuit 1 according to RCN 530 switches to earth Electrical properties Power supply 12 24...

Page 63: ...temperature during operation 0 60 C Permissible relative humidity during operation 10 85 non condensing Ambient temperature during storage 10 80 C Permissible relative humidity during storage 10 85 non condensing Other features Dimensions circuit board without PluX22 connector approx 25 x 16 x 5 5 mm Weights Item no 41 04430 without Kabel approx 2 0 g Item no 41 04431 with soldered cables approx 4...

Page 64: ... 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 to return th...

Page 65: ...is 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 the proper disposal and treatment of waste equipment in accordance with EU and national law This obligation includes registration with the registering authorities registers in the country where WEEE i...

Page 66: ...LD G 43 tams elektronik 66 ...

Page 67: ...tams elektronik LD G 43 67 ...

Page 68: ...her Information and Tips http www tams online de Warranty and Service tams elektronik GmbH Fuhrberger Str 4 30625 Hannover GERMANY Phone 49 0 511 55 60 60 Fax 49 0 511 55 61 61 Email support tams online de ...

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