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Communication operation and setting
4.24.8 USB communication (Pr. 547, Pr. 548)
Inverter setup can be easily performed using the FR Configurator by connecting the inverter and personal
computer with a USB cable.
A personal computer and inverter can be easily connected with one USB cable.
Parameter
Number
USB communication station
547*
number
USB communication check
548*
time interval
* Changed setting value is valid when powering ON or resetting the inverter.
USB communication specifications
Interface
Conforms to USB1.1
Transmission
12Mbps
speed:
Connector
USB B connector (B receptacle)
Twisted pair shield cable 5m (16.4feet)
Cable
maximum
Power supply
Self-power supply
Removal of cover
Place a flathead screwdriver,
etc. in a slot and push up the
cover to open.
· When using USB communication, set "3" in Pr. 551 PU mode operation command source selection.
· You can perform parameter setting and monitoring with the FR Configurator. Refer to the instruction manual of the
FR Configurator for details.
Parameters referred to
Pr. 551 PU mode operation command source selection
368
Name
Initial Value
0
9999
Refer to page 330
Setting Range
0 to 31
Specify the inverter station number.
USB communication is enabled. However, the
0
inverter will trip (E. USB) if operation is changed
to PU operation mode.
Set the interval of communication check time.
If a no-communication state persists for longer
0.1 to 999.8s
than the permissible time, the inverter will trip
(E.USB).
9999
No communication check
USB cable
Description
USB connector
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