User manual

tams elektronik
WIB-13.2 English
6.3. Connecting bridging capacitors
In order to bridge currentless sections you
can connect
 an external bridging capacitor and / or
 a goldcap or
 two external bridging capacitor
to each of the two parts. In order to supply
the 8 LEDs of a whole PCB (or the 7 LEDs
of a shortened PCB), normally one
capacitor or goldcap is sufficient.
Choose an electrolytic capacitor or a
goldcap with a capacity as high as possible.
As the housings of electrolytic capacitors
and goldcaps are bigger when the capacity
is higher, the maximum capacity is limited
by the space available to mount the
capacitor.
The minimum voltage sustaining capability of the goldcaps is 5,5 V. The
minimum voltage sustaining capability of the capacitor depends on the
power supply.
Solder the external bridging capacitors according to the connection
diagram to the connecting points E(+) and E(-) and the goldcaps or
further bridging capacitors to the connecting points G(+) and G(-).
E(+) / E(-)
Bridging capacitor > 16 V (power supply < 18 V)
Bridging capacitor > 25 V (power supply > 18 V)
G(+) / G(-)
Bridging capacitor > 16 V (power supply < 18 V)
Bridging capacitor > 25 V (power supply > 18 V)
or
Goldcap > 5,5 V
6.4. Connecting additional LEDs
SYou can connect up to 2 additional LEDs
in series to each of the two parts (e.g. for
the train rear lighting). The necessary
series resistors are integrated on the PCB.
Solder the LEDs according to the connection
diagram to the connecting points LED(-)
and LED(+).
Please note: It is not possible to use
electric bulbs instead of LEDs, as the
voltage is restricted so far by the integrated
series resistors, that the bulbs would not
light.
6.5. Setting the switching on mode for the LEDs
You set the way the LEDs light when switched on, separately for each
of the two parts (with 4 LEDs each):
 smooth brightening of the LEDs or
 simulation of flickering fluorescent lamps.
The setting is done at the two soldering jumpers on the PCB (see
diagram in section 6.1.). In state of delivery (= soldering jumpers not
bridged) the LEDs brighten smoothly. In order to simulate flickering
fluorescent lamps you have to bridge the soldering jumper with a little
tin-solder.
6.6. Setting the LEDs´ brightness
You can set the LEDs´ brightness via a trim-pot (see diagram in section
6.1.) separately for each of the two parts (with 4 LEDs each). This is
also valid when using the unparted whole PCB. For setting the trim-pot
use a small screw-driver.
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