IF2 Network Reader User Guide
59
Switching the Low Side of the Output Load
Switching the High Side With 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 in the next illustration.
Switching the High Side With External Power
Drive a DC Relay to Control an AC Load
While the IF2 outputs are designed to switch DC loads, they can drive relays that
control AC loads. The next illustration shows how to connect such a system to an
IF2 output.
External
indicator lamp
0.25 A maximum
Ground
- Output
+Output
+12 V
External
indicator
lamp
External
power
5-48 VDC
+ -
Ground
+Output
- Output
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