Mitsubishi Electric FR-A720-0.4K Instruction Manual page 207

Output frequency
Set
frequency
Pr. 147
setting
• Switching frequency for each control method
Control Method
V/F control
Advanced magnetic flux
vector control
Real sensorless vector control
Vector control, encoder
feedback control
(2) USB automatic recognition (Pr. 551 PU mode operation
command source selection = "9999")
FR-A700 can automatically recognize the USB connection and switch the
command source during PU operation mode.
Pr.
Number
PU mode
operation
551 *
command source
selection
* This parameter allows its setting to be changed in any operation mode even if "0 (initial value)" is
set in Pr. 77 Parameter write selection.
When a communication option is installed, parameter setting is always enabled.
(Hz)
Slope set
Slope set
by Pr. 7 by Pr. 44
Acceleration time
Output frequency
Output frequency before the slip compensation
Estimated speed converted as frequency
Actual motor speed converted as frequency
Initial
Name
Value
9999
Slope set
Slope set
by Pr. 44
by Pr. 8
(Pr. 45)
Deceleration time
Switching frequency
Setting
Range
RS-485 terminals are the command
1
source when PU operation mode.
PU connector is the command source
2
when PU operation mode.
USB connector is the command
3
source when PU operation mode.
USB automatic recognition
Normally, the PU connector is the
9999 command source. When USB is
connected, the USB connector is the
command source.
2/4
Time
Description
BCN-C22005-617