Toshiba TOSVERT VF-MB1 Instruction Manual page 102

Industrial inverter for 3-phase induction motors
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Note 1: The same characteristic can be obtained by setting the V/F control mode selection parameter  to
Note 2: Setting  to  automatically programs  to .
2) When using vector control (increasing starting torque and high-precision
 is set to  (Vector control + auto-tuning)
Setting torque boost setting macro function control  to  (vector control + auto-tuning) provides high
starting torque bringing out the maximum in motor characteristics from the low-speed range. This suppresses
changes in motor speed caused by fluctuations in load to provide high precision operation. This is an
optimum feature for elevators and other load transporting machinery.
Note 3: The same characteristic can be obtained by setting the V/F control mode selection parameter
5
Note 4: Setting  to  automatically programs  to .
3) Energy-saving operation
 is set to  (Energy saving + auto-tuning)
When torque boost setting macro function control  is set to  (energy saving + auto-tuning), the
inverter always passes a current appropriate to the load for energy saving.
Note 5: The same characteristic can be obtained by setting the V/F control mode selection parameter
Note 6: Setting  to  automatically programs  to .
[Example of parameter setting]
Operation panel
 (automatic torque boost control) and the auto-tuning parameter  to  (auto-tuning).
operations)
 to  (vector control) and the auto-tuning parameter  to  (auto-tuning).
 to  (automatic energy saving) and the auto-tuning parameter  to  (auto-tuning).
LED display
action
. 
MODE


Displays the output frequency. (Perform during operation stopped.)
(When standard monitor display selection  is set to 
[output frequency])
The first basic parameter "" (history function) is displayed.
Turn the setting dial to the right to change the parameter to 
(torque boost setting macro function).
Parameter values can be read by pressing the center of the setting
dial.
Turn the setting dial to the right to change the parameter to 
(energy saving + auto-tuning). (Right side is the setting value, left
side is the history of the previous setting.)
E-8
E6581697
 Refer to section 6.21
 Refer to section 6.21
 Refer to section 6.21
Operation

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