User manual

tams elektronik
English FI-1
4. Operation overview
The function inverter has to be connected between the LED and the
function output of the locomotive or function decoder and inverts the
polarity of the decoder connections. Examples of use:
Red-yellow or red-white dual-LEDs are suitable as the front or back
lighting of model railway locomotives or carriages. Often they have a
common cathode for both colours. For that reason they cannot be
connected directly to the function outputs of vehicle decoders, as
decoders´ return conductors have a reverse polaritiy (+). These dual-
LEDs can be connected via a function inverter to the decoder outputs.
The cathodes (-) of LED-lighting in standard control cab coaches are
often mounted with a common connection to earth. For that reason
they cannot be connected directly to a vehicle decoder when mounting
a decoder. Instead of altering the diodes you can mount a function
inverter.
5. Technical specifications
Supply voltage Digital voltage of the decoder
Current consumption (without
connected LEDs) approx.
0,1 mA
Max. total current 30 mA
Protected to IP 00
Ambient temperature in use 0 ... +60 °C
Ambient temperature in storage -10 ... +80 °C
Comparative humidity allowed max. 85 %
Dimensions of the PCB (approx.) 7,5 x 6,5 x 2 mm
Weight of the PCB 0,1 g
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