Toshiba VF-A7 Welding System User Manual


 
C-5
Setting the frequency by voltage signals (0 to 10 Vdc)
Voltage signals 0-10Vdc
[Parameter setting]
Speed setting mode selection parameter  at .
This setting cannot be made when the terminal II is
Setting the frequency by voltage signals (0 to +/-10Vdc)
The direction can be changed by switching between positive and negative signals.
Voltage signal 0- 10Vdc
[Parameter setting]
Speed setting mode selection parameter  at
Note)Set reference priority selection  at (, Default setting). Changing the
settings of two speed command parameters at a time, refer to 6.6.
[
Ex.: To set the frequency by current signal (4 to 20 mAdc) through the terminal]
Key operated LED display Operation

The running frequency is displayed. (Make this setting when the
motor is out of operation.) (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 setting (set value).
(Default setting: )
Change the parameter setting to by pressing the key.

Press the Enter key to save the change. Then, and the
set value are displayed alternately.
Voltage signal
Voltage signals (0 to +/-10 V) for setting the
operation frequency Refer to 7.3 for details
of adjustment.
-10Vdc
+10Vdc
Forward run
80Hz
80Hz
Reverse run
Frequency
80Hz
0Vdc
10Vdc
Voltage signal
Voltage signals (0 to 10 V) for setting the
operation frequency Refer to 7.3 for details of
adjustment.
MON
ENT
ENT
Necessary to change the VI/II input point 1 setting
