Emerson USB Fieldbus Interface User Manual page 19

January 2019
4.3 Power fieldbus device with the USB Fieldbus Interface
Configuration utility
You can power a fieldbus device or segment by connecting it to an external
power source or by using the USB Fieldbus Interface Configuration utility.
Note
You can also power a fieldbus device or segment by connecting it to an
external power source.
1. Launch the USB Fieldbus Interface Configuration utility.
2. Select the Supply Power check box.
Note
The USB Fieldbus Interface is only capable of providing an output current
of up to 85 mA. Typically, you should not attempt to connect more than
three or four fieldbus devices on the same segment when using the
Supply Power option.
Figure 4-3: Supply Power option
User's Manual
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