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LD-G-8
Page 38
resistor limits the current flow of the LED and will need to be calculated
for each model. Ask for the max current rating when buying your LEDs.
You can connect up to 5 LEDs in parallel to each output. In this case
every LED must have a series resistor of its own. If you connect several
LEDs to one output in series, only one series resistor is needed. The
number of LEDs connected in series to one output depends on the
digital voltage.
You can determine the number of the LEDs that can be connected in
series to one output from the following formula:
(number of LEDs + 2) x 1,5 < digital voltage
Fixing the locomotive decoder
After completing all connections fix the locomotive decoder with double-
sided adhesive tape, for example.
Using a NEM 652 interface connector
Some locomotives already have an NEM 652 interface connector
mounted. Using a convenient connecting plug you save disconnecting
the connections and you do not need to solder at the locomotive.
The list below shows how to connect the contacts of the interface
connector to the connecting points of the locomotive decoder.
Contact Connection
Colour of cable
Connecting points
1
Motor connection 1
orange
X7
2
Lighting back (-)
yellow
X3
3
Not used or F1
green
X1
4
Power supply left
black
X8
5
Motor connection 2
grey
X6
6
Lighting front (-)
white
X4
7
Common conductor
for all functions (+)
blue
X5
8
Power supply right
red
X9