Switching The High Side Using External Power - Intermec IF30 User Manual

Switching the High Side Using External Power

IF30 Fixed Reader User's Manual
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.
+Output
- Output
Ground
Switching the High Side With External Power
Chapter 5 — Using the IF30 GPIO Interfaces
+ -
External
power
5-48 VDC
External
indicator
lamp
77