Toshiba TOSVERT VF-A7 Instruction Manual page 48

Setting the frequency by voltage signals (0 to 10 Vdc)
[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.
[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
MON
ENT

ENT
Voltage signals 0-10Vdc
Necessary to change the VI/II input point 1 setting 
Voltage signal 0- 10Vdc
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

Press the Enter key to display the parameter setting (set value).

(Default setting: )
Change the parameter setting to  by pressing the

Press the Enter key to save the change. Then, and the

set value are displayed alternately.
C-5
Voltage signal
Voltage signals (0 to 10 V) for setting the
operation frequency Refer to 7.3 for details of
adjustment.
80Hz
Frequency
0Vdc
Voltage signal
Voltage signals (0 to +/-10 V) for setting the
operation frequency Refer to 7.3 for details
of adjustment.
80Hz
Forward run
-10Vdc
Reverse run
80Hz
Operation
or
10Vdc
+10Vdc
key.
key.