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You can connect several 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 an NEM 652 interface connector
Contact | Connection | Colour of cable | Connecting points |
1 | Motor connection 1 | orange | X11 |
2 | Lighting back | yellow | X5 |
3 | Not used or F1 | green | X7 |
4 | Power supply left | black | X1 |
5 | Motor connection 2 | grey | X12 |
6 | Lighting front | white | X4 |
7 | Common conductor | blue | X3 |
| for all functions (+) |
|
|
8 | Power supply right | red | X2 |
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 shows how to connect the contacts of the interface connector to the connecting points of the locomotive decoder.
Setting the locomotive decoder
Setting the driving characteristics
Different driving characteristics can be fixed for the locomotve decoder:
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