Toshiba TOSVERT VF-nC3 Instruction Manual page 187

7.3.2
You can set the frequency settings by inputting an analog current signal of 4 (0) to 20mA dc between the VI and
CC terminals.
The following shows examples when the run command is input from the terminal.
Title








* Depends upon the setup menu settings. Refer to section 11.5.
7
Power
Supply
* Connect a single-phase
input model to R/L1 and
S/L2/N.
Settings depending on current (4 to 20 mA) input
Function
Command mode selection
Frequency setting mode
selection
Analog/logic input selection
(VI terminal)
VI input point 1 setting
VI input point 1 frequency
VI input point 2 setting
VI input point 2 frequency
Analog input filter
MCCB
VF-nC3
R/L1
S/L2
W/T3
T/L3
FLA
FLB
FLC
P24
OUT
NO
CC VI P5
 = : Current signal input (4 – 20mA)
Adjustment range
0 - 2
0 - 5
0: Voltage signal input (0 - 10V)
1: Current signal input (4 - 20mA)
2: Logic input
3: Voltage signal input (0 – 5V)
0 - 100%
0.0 - 400.0Hz
0 - 100%
0.0 - 400.0Hz
4 - 1000 ms
 Run and stop settings
Motor
U/T1
IM
V/T2
 Setting characteristics for the frequency
S1
S2
 Connecting and calibrating the frequency
Forward
run
F
Reverse
R
run
FM
CC
+
4 (0) to 20 mA dc
-
G-12
Default setting Setting example
1
(panel keypad) (terminal board)
2
(setting dial) (terminal board VI)
0 (Current signal
(4 – 20mA))
0
0.0
100
*
64
You can switch between forward run (F) and
reverser run (R), and run/stop with external
signals.
setting signal and operation frequency
Set characteristics at two points in the
diagram below.
meter
Select the type of meter connected at 
and calibrate.
 Refer to section 3.4 for details.
Hz

Point 1

 
0% 20% 100%
(0 to 4 to 20 mA)
Frequency setting signal
E6581595
0
0
1
20(0)
0.0
100
60.0
64
Point 2
%
Current input