EN - User`s manual ()
Contents
1. Attention Each booster shall be powered by an own supply unit More boosters shall never be powered from a common power source When the booster is operated from LocoNet the signal arriving from the centre or the previous booster shall always be connected to the left LocoNet connector and the extension branch into the right LocoNet connector Supply voltage The booster can be supplied by DC or AC as well In order to achieve appropriate dissipation at the bridge rectifier of the booster it is definitely preferred to use AC supply The AC supply voltage shall never exceed 18V AC Connectors The receiving possibilities of the booster synchronizing signal are described below Since the booster can be adapted to various systems it can be perfectly used if supplied from any of its inputs Solely fully insulated track sections with both rails cut shall be supplied by the digital booster DCC OUT Boosted signal output It is required to pay attention to the correct polarity during connection n case the isolated rail section is of reversed polarity compared to the previous section the booster may give a short circuit signal when the train changes the sections Only one sync source can be used at a time The booster shall never be used with synchronizing of rail signal and signals of other source simultaneously The signal source detection is automatic C D E Synchronizing signal can be received from the rail signal or f2. CV address Parameter name Default Range 1 Switch address lower bits 0 0 255 7 Version number 8 Manufacturer identifier 61 9 Switch address upper bits 0 0 8 34 Feedback address lower bits 0 0 255 35 Feedback address upper bits 0 0 8 36 Startup delay sec 2 0 60 37 Recovery delay sec 5 0 60 38 Short circuit tripping current 40 5 40 Ampere 10 39 Polarity change current limit 20 5 40 Ampere 10 40 Track voltage Voltage 10 15 90 190 Entering any value into the CV8 forces reset to the default parameter values Attention The booster s shall always be separately connected to the programming signal otherwise all boosters connected to a common signal line will be programmed to equal values Guarantee and legal statement Each parameter of the device will be submitted to comprehensive testing prior to marketing The manufacturer undertakes one year guarantee for the product Defects occurred during this period will be repaired by the manufacturer free of charge against the presentation of the invoice The validity of the guarantee will cease in case of improper usage and or treatment Attention By virtue of the European EMC directives the product can be used solely with devices provided with CE marking The mentioned standards and brand names are the trademarks of the firms concerned TrainModules BioDigit Ltd LocoNet Digitrax Inc NMRA DCC National Model Railroa
3. with high voltage spikes oiii 4 Good track waveform 4 High voltage peaks on distorted waveform The distorted rail signal can damage the locomotive decoders If the voltage spikes are larger than 5 10V the checking of connectors and wires are recommended first Solutions 1 Check your connections the poor connection also can make large voltage spikes 2 Try to separate the large layout into smaller power districts to prevent large inductance Use more boosters to electrical separation 3 Use our small TM 32273 spike filter module to lower the voltage spikes and fix the bad condition of your track This module can absorb the transients Programming of the parameters The parameters can be modified by the DirectCV programming method The booster supports the Write Read and Verify commands To achieve this programming method the C and D connector of the booster is to be connected directly to the PROG OUT or normal output connector of the digital centre During programming attention shall be paid to the appropriate power supply of the booster PWR IN The booster responds towards the centre by an ACK acknowledge known in decoder programming provided that the entered value is valid If after programming the digital centre returns an Error the value to be entered into the CV is outside the valid range or the address of the CV is not suitable
4. TM 26782 dl TRAINTIODULES Digital booster II User s manual IMs ce 9751830081 2015 BioDigit Ltd All rights reserved It is forbidden to reproduce and or publish the contents of the present document in any form including electronic and mechanical design without the written permission of BioDigit Ltd Safety warning During the operation of the device the specified technical A parameters shall always be met At the installation the environment shall be fully taken into consideration The device must not be exposed to moisture and direct sunshine A soldering tool may be necessary for the installation and or mounting of the devices which requires special care During the installation it shall be ensured that the bottom of the device should not contact with a conductive e g metal surface Contents Features and properties ccccceee cece cece eee eee eee ee eee teeta eae eae ed 2 Technical parameters cece cece eee eee eee e ee eee eee eee e teas 2 Short description cv ccteaeers ee keene A epee ede 3 Applicable supply Units 00 cece cee eee eect ee eee teeta eee tenes 3 Grounding and power supply of the DooSter cccceeeeeeeeeee ees 3 SUpply VOla Je ii A A anu ag 4 CONNECT Si a A a 4 SOM iii E A AAA 5 Thermal protectiON ocoocococcccccccnnnncnnnnncnnnnanannnnnnnrnnnrnnrnnnnnannns 6 Switching in out of the output voltage ooococcccccccoccccnnconccnncnnna 7 Feedback of the
5. ble Supply voltage 12 24V AC DC Output voltage 9 19Vpeak adjustable Connection disconnection by switch address Yes 1 2048 LocoNet status support Yes GPON GPOFF IDLE LocoNet feedback support Yes 1 2048 Supported signal format NMRA DCC Motorola Short description The digital booster can amplify the track signal in digital systems It enables higher load currents for tracks divided into independent sections Applicable supply units A TM 87380 type 230V safety mains transformer is proposed for supplying the booster Parameters of the transformer Output voltage 16V AC Max output current 5A Power rating 80VA Input voltage 230V AC Other transformers type with similar parameters can also be applied 16V AC min 80VA Grounding and power supply of the booster To avoid interferences and ground loops in larger networks that containing more boosters it is required to operate the boosters with a common grounding point The booster is weakly connected to ground when connection to the LocoNet connector is performed through 100KOhm internal resistor In case the length of the network exceeding 40 50m requires the use of a separate thicker common wire the GND connector of the booster shall be used for connecting the common heavy ground wire See Figure 3 Attention This common ground is not the protection earth contact of power plugs More details http www wiringfordcc com booster htm English
6. c polarity change is permitted The polarity change current limit can be adjusted between 0 5A and 3A in 0 1A steps using the CV39 e g Required polarity change current limit 1 5A 1 5A 1 5 0 1A gt CV39 15 To disable this feature write 0 to CV39 Attention It is practicable to adjust the polarity change current limit at a lower value Thus the sudden stalling of the vehicle passing along the section can be avoided At polarity change there is no short circuit delay Track output voltage The output voltage of the rail output can be adjusted digitally with CVs The output voltage can be changed between 9 0V and 19 0V Calculation for desired track output voltage Target voltage 15V CV40 Target voltage 10 150 Attention According to NMRA standard the output voltage is defined by peak voltage of the signal Many handheld multimeters can t measure truly the squarewave the waveform of DCC MM and it displays not stable or false voltage For track voltage measure please use peak voltage converter before measurement leads or use professional multimeter which can measure the real peak voltage or use oscilloscope to determine the track voltage We prefer use our TM 64643 handheld storage oscilloscope easy to operate and LiPo battery powered About track waveforms Checking the output waveform on your layout is necessary On larger layouts the impedance and capacitance of the track can distort the rail signal
7. d Association TrainModules BioDigit Ltd Cziraki street 26 32 H 1163 Budapest Tel 36 1 46 707 64 http www trainmodules com Figure 1 Wiring of digital booster Status LED Q Powered ON no sync output is OFF Red O Powered ON has sync output is ON Green O Error Output short Green Red blinking 4 26 Error Overheated Orange blinking Ju LocoNet Global Power OFF status Red blinking TM 26782 4 z min AWG 20 Common gt 0 5 mm wire a 12 24V ACIDC To transformer min 60VA min AWG 20 0 5 mm Double isolation gaps L Power district Previous section Figure 2 Connecting different railsync signals to TM 26782 digital booster en ee ne a a a ee EN Previous section mee Fe RE eee Booster out 4p4c connector Lenz bh N w Figure 3 Large layout network grounding Common wire heavy ground
8. eded wire diameter for your layout The recommended minimum wire diameter is AWG 20 approx 0 5mm Thermal protection The booster has an integrated thermal protection In case the internal temperature exceeds 75 C the booster stops with an overheat signal If the internal temperature decreases below 50 C the outputs can be turned on again Attention Tripping of the thermal protection during permanent operation generally means insufficient wiring and or a low capacity transformer Never open the device when the thermal protection tripped for faster cool down Switching in out of the output voltage If the synchronizing signal is missing or regularly contains errors the output will be automatically turned off to protecting the connected devices from faulty operation The output of the booster is provided with the possibility of remote switching in out by accessory commands The address can be adjusted by traditional CV settings Default status of the remote control is Not permitted address 0 The address is contained by the CV1 and CV9 and can be calculated as follows e g Required address 1410 1410 256 5 with remainder 130 CV1 value 130 CV9 value 5 For disable this feature write O to CV1 and CV9 Feedback of the operating status Feedback of the operating status works by traditional feedback addresses to the LocoNet system Default status of the feedback is Not permitted address 0 The address
9. of the device giving the feedback is contained by the CV33 and the CV34 and can be calculated as follows e g Required address decimal value 509 509 256 1 with remainder 253 CV33 value 253 CV34 value 1 For disable this feature write O to CV33 and CV34 Startup delay Startup delay can be adjusted in a wide range With this delay it can be avoided that faulty data get on the rail from the digital centre before it is started The startup delay can be adjusted between 0 and 60 sec by the CV36 in one second steps Recovery delay In case of short circuit the booster automatically resets Due to the delay the booster will not be permanently overloaded The recovery delay can be adjusted between 5 and 60 sec by the CV37 in one second steps Automatic recovery can be disabled by writing 0 the CV37 Short circuit current If the booster is used for smaller less consumption sections it is practicable to adjust the short circuit current to a lower value for the protection of the model railroad layout wires and the devices The short circuit tripping current can be adjusted between 0 5A and 3A in 0 1A steps using the CV38 e g Required short circuit tripping current 2 5A 2 5A 2 5 0 1A gt CV38 25 Short circuit delay 0 5 1 sec Polarity change current limit The booster can be applied also as an automatic reverse loop Loop reversing will automatically occur in case of sudden current change provided that automati
10. operating StatuUS oocooccccccconccnconncnncnnnnannnannanans 7 Startup delay e eat e nara pee eee 7 Recovery delay c ooocoocccccccccnonnnnnnnnnnnnn cnn nnn cnn eee teeta eee a AEDA 8 S hort circuit CUnPENE sessed ee A ela 8 Polarity change current liMit cece cee eee cette ee eter tetera 8 Track output voltage cc eee eee ee eee e teeta tenes 9 About track waveformS cece eee e eee eee eee eee tenes 9 Programming of the parameterS cccceeee eect eee eee teen nena 10 Guarantee and legal statement cccenceeseeeeeeeeeeseeeeeeneeas 12 Features and properties e Developed for DCC MM systems e Short circuit protected output with 3A limit e Switching mode high efficiency e No heat sink required e Comprehensive DCC CV programming e Track voltage regulation e Control from rail signal and LocoNet e Remote switching on off as device decoder e Status feedback to the LocoNet e Acoustic warning of short circuit e Delayed switch on e Automatic restart possibility after short circuit e Automatic reversal of polarization loop reversing method e Easily portable compact design Technical parameters Dimensions 150x65x25 mm Idle mode current consumption 50mA Max input current 4000mA Short circuit protection 3000mA max 1 sec Automatic recovery time 5 60 sec adjustable Automatic reversal of polarization Yes loop reversing method Start up delay 5 60 sec adjusta
11. rom C D E connection This can be applied if neither of the other input signals is available or it is not required to ensure a separate synchronizing signal for the booster The input can be used also for receiving the synchronizing signal of centers In this case it shall be considered that a short circuit status at the previous booster maybe the centre can cause the breaking of the synchronizing signal from the rail Now the given booster will shut down i e the output will be turned off The C D inputs and the E output has galvanic isolation LOCONET At a LocoNet type centre the LocoNet bus connection also has the DCC Other synchronizing signal According to the LocoNet system the booster contains two RJ12 6p6c connectors whereby more devices can be connected in a daisy chain configuration The input has galvanic isolation Certain digital centres are provided with separate LocoNet T and LocoNet B outputs The digital booster shall always be connected to the B Booster output GND In case of larger track systems it can be required to use a separate grounding wire The booster has a discharge resistor gt 100K resistance integrated between point 1 and point 2 of its GROUND connector The assignment of the GND connector is as follows 1 GND Left LocoNet grounding point core 2 and 5 2 GND Right Internal grounding point of the booster Signals The booster has status LED to show following operating s
12. tatuses STATUS LED Mode Dark The device is out of operation No supply voltage Red blinking Delay after start up without sound Red The device operates No synchronizing signal Green The device operates Synchronizing signal is OK Orange Green Short circuit error The booster detected short blinking with circuit condition on the RAIL output beep sound Red blinking The booster is overheated the output has been with beep turned off sound Red short The booster received LocoNet Global Power OFF blinking command from the digital center and the output is turned off Prevent the booster from being under continuous short circuit status If the device indicates more short circuits in short intervals it shall be determined whether this was caused by overload or real short circuit Overload shall be tested by removing some engines or waggons or other loads from the given track section to examine the presence of the short circuit Warning Please also use a proper wire diameter at the booster power input and the track output If the applied wire is too thin the short circuit protection will never occur and the poorly connected or thin wires can cause fire For comparison The booster has more than 60W output power and the common 20 30W soldering irons can also make fire The booster is a high current device and please discuss with electronics technician about wiring and the ne
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