Mitsubishi Electric FR-A872-E Instruction Manual page 60

• When the inverter recognizes the USB memory device without any problem,
operation panel.
• When the USB memory device is removed,
• The operating status of the USB host can be checked on the LED display of the inverter.
LED display status
OFF No USB connection.
ON The communication is established between the inverter and the USB device.
Fast blinking The USB memory device is being accessed. (Do not remove the USB memory device.)
Slow blinking Error in the USB connection.
• When a device such as a USB charger is connected to the USB connector and an excessive current (500 mA or higher)
flows, USB host error "
• When the UF warning appears, the USB error can be canceled by removing the USB device and setting Pr.1049 = "1".
(The UF warning can also be canceled by resetting the inverter power or resetting with the RES signal.)
NOTE
• 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.
• For the detail of usage, refer to the Instruction Manual (Function).
 USB device communication
The inverter can be connected to a personal computer with a USB (ver. 1.1) cable.
Interface Conforms to USB 1.1
Transmission speed 12 Mbps
Wiring length Maximum 5 m
Connector USB mini B connector (receptacle)
Power supply Self-powered
" (UF warning) is displayed on the operation panel.
is briefly displayed on the operation panel.
Operating status
2.7 Communication connectors and terminals
is briefly displayed on the
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