Inc Sound Module Decoder - Manual

© 2017 Digitrax, Inc.
www.digitrax.com- 22 -
R
e v
er
se Lamp
Ye
ll
ow
Lamp Common
Forward Lamp White
Reverse Lamp Yellow
Operaon With Blue Lamp
Common Connected
Lamp Common
F
o
r
w
a
r
d
L
a
mp
W
h
i
t
e
R
e ver
se Lamp Y
ell o
w
Lamp Common Blue
Forward Lamp White
LED
Cathode End
LED
Cathode End
Preferred method.
Lamp brightness won't vary when
analog locos are operated on
the layout.
Transponding can be enabled.
*
*
*
*
*
*
Figure 2: Lamp & LED Wiring Diagrams
1.5V Lamps
12V to 16V Lamps
LEDs
+
-
-
+
Note: LEDs are sensive to polarity when hooked up.
Typical resistor values range from 680 ohm to 1.5 kohm 1/4 wa.
*
Note: Current seng resistor. Typically 560 ohm 1/4 wa
for grain of rice and 250 ohm 1/4 wa for grain of wheat.
Lower resistance values to increase lamp brightness, min value is 100 ohms.
Values vary depending on track voltage in use.
*
Forward Lamp White
Reverse Lamp Yellow
Operaon Without Blue Lamp
Common Connected
F
o
r
w
a
r
d
Lam
p
W
h
i
t
e
R
e
v
er
se
L
am
p
Yel
low
Right Rail Pickup
Le Rail
Pickup
Right Rail Pickup
Le Rail
Pickup
F
o
r
w
a
r
d
Lamp
W
h
it
e
R
e
ver
se
L
am
p
Y
e
l
l
o
w
Le Rail
Pickup
Right Rail Pickup
LED
Cathode End
LED
Cathode End
Use to save space in installaon.
Lamp brightness varies depending
on the direcon of the analog
locomove.
Transponding can’t be enabled.
* *
-
-
+ +