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GBM-8

English

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

Touching powered, live components,

touching conducting components which are live due to malfunction,

short   circuits   and  connecting   the   circuit   to   another   voltage   than
specified,

impermissibly high humidity and condensation 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.

Assembling   and   mounting   the   kit  should   only   be   done   in   closed,
clean, dry rooms. Beware of humidity.

Only use low power for this module as described in this manual and
only use certified transformers.

Connect  transformers  and  soldering  irons only  in approved   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.

Page 5

Summary of Contents for GBM-8

Page 1: ...Manual GBM 8 Item no 52 01085 52 01086 52 01087 8 fold Track Busy Indicator tams elektronik n n n...

Page 2: ...ng 25 10 Guarantee bond 26 11 EU declaration of conformity 27 12 Declarations conforming to the WEEE directive 27 10 2015 Tams Elektronik GmbH All rights reserved No part of this publication may be re...

Page 3: ...the kit or the ready built module on to another person please pass on the manual with it Intended use The track busy indicator GBM 8 is designed to be operated according to the instructions in this ma...

Page 4: ...ired materials For assembling the kit you need an electronic soldering iron max 30 Watt or a regulated soldering iron with a fine tip and a soldering iron stand a tip cleaning sponge a heat resistant...

Page 5: ...high humidity and condensation 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 Assembling and...

Page 6: ...put the hot soldering iron in the soldering iron stand point the soldering iron tip carefully when soldering and remove liquid solder with a thick wet rag or wet sponge from the soldering tip Dangerou...

Page 7: ...g water or soldering grease They contain acids that can corrode components and copper tracks Insert the component connecting pins into the PCB s holes as far as possible without force The components s...

Page 8: ...he wires after soldering directly above the soldering joint with a side cutter After placing the parts please double check for correct polarity Check the PCB tracks for solder bridges and short circui...

Page 9: ...contacts e g s88 The GBM 8 has been optimised for use in digital layouts of gauges starting from TT False reports occuring in digital operation due to interferences are minimized on account of the co...

Page 10: ...aluation of the busy messages and transmission to digital feedback modules As soon as the GBM 8 detects an electric current consumer in a connected track section the linked output is internally connec...

Page 11: ...ions Voltage supply via the rails Current consumption without connected devices approx 15 mA Number of monitored sections 8 Maximum current in the monitored sections 3 000 mA Sensivity 6 mA Number of...

Page 12: ...dicated through colour rings Every colour stands for another figure Carbon film resistors have 4 colour rings The 4th ring given in brackets here indicates the tolerance of the resistor gold 5 Value C...

Page 13: ...on housing form is the so called 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...

Page 14: ...16 1 kW R1 R2 R3 R4 R5 R6 R7 R8 4 7 kW Diodes D1 D16 1N540x x 2 Transistors T1 T2 T3 T4 T5 T6 T7 T8 BC547B Photocoupleurs OK1 OK2 OK3 OK4 827 or 2 x 817 IC sockets OK1 OK2 OK3 OK4 8 pole Terminal stri...

Page 15: ...GBM 8 English PCB layout Page 15...

Page 16: ...gly connected part will not function 1 Resistors Mounting orientation of no importance 2 Wire bridges Br1 to Br4 Use the off cut wires of the resistors 3 IC sockets Mount the sockets that way the mark...

Page 17: ...ocket and the IC show to the same direction or Performing a visual check Perform a visual check after the assembly of the module and remove faults if necessary Remove all loose parts wire ends or drop...

Page 18: ...on 1 GBM 8 Connection to V1a V1b and M Transformer A1 Auxiliary circuit made of LED series resistor 1 kW and damping diode Observe the polarity of the LED and the damping diode With wired LEDs the lon...

Page 19: ...Caution Never connect electric light bulbs to the outputs as these consume more than 50 mA current as a rule The outputs which are designed for a maximum current of 50 mA would be destroyed when putti...

Page 20: ...successful function test disconnect the track busy indicator from the voltage supply and continue with the connection of the module 8 Connecting the GBM 8 There are terminal strips soldered to the mod...

Page 21: ...y have to respect the polarity when connecting it If using an a c transformer the polarity is of no importance Connecting the rail sections The busy status can only be reported trouble free when with...

Page 22: ...t section to be switched off Supervising switched off rail sections Rail sections to be switched off during operation e g in a shadow station can be supervised with the track busy indicator as well Fo...

Page 23: ...e g 1 k to the outputs of the GBM 8 Connection diagram 2 Connecting LEDs Caution Never use LEDs without series resistors as in this case the LEDs will be destroyed quickly Caution Do not use the drivi...

Page 24: ...utputs as these consume more than 50 mA current as a rule The outputs which are designed for a maximum current of 50 mA would be destroyed when putting them into operation Connection to digital feed b...

Page 25: ...ine If problems with your module occur our hotline is pleased to help you mail address on the last page Repairs You can send in a defective module for repair address on the last page In case of guaran...

Page 26: ...mponents 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...

Page 27: ...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 equip...

Page 28: ...tips n http www tams online de n n n n Warranty and service 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 modellbahn tams onlin...

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