Toshiba Tosvert VF-AS1 - Manual (Page 58)

E6581301
C-4
3
■ Frequency setting
1) Setting the frequency using potentiometer
[Parameter setting]
Set the “basic parameter frequency setting mode selection 1” parameter HOQF to .
(There is no need to set this parameter before the first use after purchase.)
2) Setting the frequency using input voltage (0~10V)
[Parameter setting]
Set the “basic parameter frequency setting mode selection 1” parameter HOQF to .
(There is no need to set this parameter before the first use after purchase.)
3) Setting the frequency using current input (4(0)~20mA)
[Parameter setting]
+
-
RR/S4
CCA
Frequency
0
0Vdc 10Vdc
+ Voltage signal
Voltage signal (0~10V) for setting the operation frequency
⇒ Refer to Section 7.3 for details of adjustment.
60Hz :Voltage signal 0-10Vdc
VI/II
CCA
Frequency
0
4mAdc 20mAdc
+ Current signal
Current signal (4(0)~20mA) for setting the operation frequency
⇒ Refer to Section 7.3 for details of adjustment.
60Hz
:Current signal 4(0)-20mAdc
+
-
Set the “extended parameter analog input VI/II voltage/current switching”
parameter HOQF to .
In addition, set the “basic parameter frequency setting mode selection 1” parameter
H
to .
To bring the operation frequency to 0Hz at an input current of 4mA, set the “VI/VII input
point setting 1” parameter H to .
PP
CCA
:Frequency settings
With potentiometer
MIN
MAX
Frequency
60Hz
0
MIN MAX
RR/S4
+ Potentiometer
The operation frequency by potentiometer (1~10k - 1/4W ) for setting
⇒ Refer to Section 7.3 for details of adjustment.