Toshiba VF-A7 Welding System User Manual


 
E-16
5.8 Upper and lower limit frequencies
 Upper limit frequency

Lower limit frequency
Parameter setting
Title Function Adjustment range Default setting

Upper limit frequency
 


Lower limit frequency
 

5.9 Base frequency
 Base frequency #1
Note) This is an important parameter required for setting the constant torque control area.
Title Function Adjustment range Default setting

Base frequency #1
  [Hz]

Function
These parameters are used to set the upper and lower limit frequencies which are
the largest and smallest frequencies, respectively, that the inverter can output.
0 100%
Output frequency [Hz]


Frequency setting signal
The inverter does not output
any frequency exceeding the .
Upper limit frequency
0 100%
Output frequency [Hz]


Frequency setting signal
The output frequency cannot
be set below the 
Lower limit frequency
Function
This parameter is used to set the base frequency according to the rated frequency of the
motor or the specification of the load.
Base- frequency voltage #1

Output frequency [Hz]

0
Output voltage [V]