Intermec IF2 IF2 Network Reader User Manual - Page 103
Switching the High Side With External Power, Drive a DC Relay to Control an AC Load
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Chapter 6 - Use the IF2 GPIO Interfaces 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. +Output +- External power 5-48 VDC - Output Ground External indicator lamp 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. IF2 Network Reader User Manual 89
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