Emerson Vission 20/20 Operation And Service Manual page 186

Appendix B • Vission 20/20 Application Procedures
Figure B-14. Selecting USB Port for Serial Communication
The Vission 20/20 panel allows designating the USB port to be used for serial Modbus RTU communication from
the Confi guration screen. A USB device must be plugged into one of the USB ports in order for the "Serial USB"
option to appear from the drop-down box.
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Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0