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9.1.2 USB Devices
The AcuLink 810 has a USB port that allows for an additional 32 Modbus RTU devices. Users
can connect the additional using an RS485 to USB converter cable.
9.1.3 Adding Modbus RTU Device
By default the RS485 and USB port of the AcuLink 810 and configured for the Modbus proto-
col. Users can configure the protocol of the RS485 and USB ports from the Interface Assign-
ment page under the Protocols tab.
NOTE: Users will not be able to change the Interface assignment of the USB or RS485 port if
there is a device added on the 810 with one of the selected protocols. The device must be
deleted from the AcuLink in order to change the protocol of the ports.
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Acuvim L Series Meter
Chapter 9: Protocols
RS485 to USB
converter cable
D A T A A C Q U S I T I O N S E R V E R
V: 1.08 Revised: May 2020
47
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