Intermec IF30

Chapter 5 — Using the IF30 GPIO Interfaces
IF30 Fixed Reader User’s Manual 77
Switching the High Side Using External Power
To use external power (5 to 48 VDC) to switch the high side,
connect the Ground pin to the ground system of the external
power supply, and connect the positive side of the external supply
to the +Output pin. The external indicator lamp is connected to
the corresponding -Output and Ground pins as shown below.
Switching the High Side With External Power
External
indicator
lamp
External
power
5-48 VDC
+
-
Ground
+Output
- Output