Intermec IF61

Chapter 5 — Using the IF61 GPIO Interfaces
118 IF61 Fixed Reader User’s Manual
Switching the High Side Using IF61 Power
In this example, an external indicator lamp (0.25A maximum
current) is connected to the -Output and Ground pins, and the
corresponding +Output pin is connected to the +12 VDC
source.
Switching the High Side
Switching the Low Side Using IF61 Power
For low side switching applications, the lamp power is routed to
all the lamps in common and the low side of the load is routed to
the switch.
In this method, connect the external indicator lamp to the
+Output and +12 VDC pins, and short the corresponding
-Output pin to ground as shown.
Switching the Low Side of the Output Load
External
indicator lamp
0.25A maximum
+Output
+12V
Ground
- Output
External
indicator lamp
0.25A maximum
Ground
- Output
+Output
+12V