Mitsubishi Electric FR-A820-00046 Instruction Manual page 99

Installation and wiring
● The operating status of the USB host can be checked on the LED display of the inverter.
LED display status
OFF
ON
Flickering rapidly
Flickering slowly
Tab. 2-27:
● When a device such as a USB battery charger is connected to the USB connector and an excessive
current (500 mA or more) flows, USB host error "UF" (UF warning) is displayed on the operation
panel.
● When the UF warning appears, the USB error can be cancelled by removing the USB device and
setting Pr. 1049 = "1". (The UF warning can also be cancelled by resetting the inverter power or
resetting with the RES signal.)
NOTES Do not connect devices other than a USB memory device to the inverter.
If a USB device is connected to the inverter via a USB hub, the inverter cannot recognize the USB
memory device properly.
USB device communication
The inverter can be connected to a personal computer with a USB (Ver. 1.1) cable.
Parameter setting and monitoring can be performed by FR Configurator2.
Specification
Interface
Transmission speed
Wiring length
Connector
Power supply
Tab. 2-28:
NOTE For the details of FR Configurator2, refer to the Instruction Manual of FR Configurator2.
FR-A800
Operating status
No USB connection.
The communication is established between the inverter and the USB device.
The USB memory device is being accessed. (Do not remove the USB memory device.)
Error in the USB connection.
Operating status of the USB host
USB device communication
Communication connectors and terminals
Description
Conforms to USB1.1
12 Mbps
Maximum 5 m
USB mini B connector (receptacle)
Self-powered
2 - 69