Toshiba VF-A7 Welding System User Manual


 
E-12
[Example: Procedure of calibrating the meter connected to the terminal AM to which "output
current" is assigned.]
Key operated, LED display Operation

The running frequency is displayed.(If the monitor display mode
setting parameter  is set at .
[Running frequency])

Press the MON key to call up the first basic parameter
(automatic acceleration/deceleration).

Select  by pressing the or key.

Press the Enter key to display the parameter .

Select the terminal AM terminal meter selection parameter
 by pressing key.
Press the Enter key to display the parameter setting
(set value).

Set the parameter at  (fixed output for meter
calibration) by pressing the key.
 
Press the Enter key to save the change. Then,
 and the set value are displayed alternately.

Select the AM terminal meter sdjustment  by
pressing key.

Press the Enter key to switch to the data display mode.

Calibrate the meter by pressing the or key. Adjust
the pointer to the graduation to which you want it to point
when the inverter passes a current 150% larger than its
rated output current.
(Note that the meter reading varies during adjustment,
though the reading in the digital LED (monitor) on the
control panel does not change.)
By setup, before the needle of meter begins to sway,
it will take time.
 
Press the Enter key to save the setting. Then,  and
the set value are displayed alternately.


 
Select the terminal AM terminal meter selection parameter
 by pressing key.
Press the Enter key to display the parameter setting.
Return the parameter setting to (output current display).
Press the Enter key to save the change. Then,  and
the newly-set value are displayed alternately.

Press the Monitor key three times to return to the running
frequency display mode.(If the monitor display mode setting
 is set at [Running frequency])
MON
ENT
ENT
ENT
ENT
ENT
MON
ENT
ENT
[Point] Holding down the key for several
seconds facilitates this adjustment.