Toshiba TOSVERT VF-nC3 Instruction Manual page 184

7.3.2
You can set the frequency settings by inputting an analog current signal of 4 (0) to 20 mA 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. Either 50.0 or 60.0 is selected.
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
T/L3
FLA
FLB
FLC
P24
OUT
NO
CC VI
 =  : Current signal input (4 – 20mA)
Adjustment range
0 - 2
0 - 5
0: Voltage signal input (0 - 10 V)
1: Current signal input (4 - 20 mA)
2: Logic input
3: Voltage signal input (0 - 5 V)
0 - 100%
0.0 - 400.0Hz
0 - 100%
0.0 - 400.0Hz
4 - 1000 ms
Motor
U/T1
IM
V/T2
W/T3
S1
S2
Forward
F run
Reverse
R
run
FM
CC
P5
+
4 (0) to 20 mA dc
-
G-12
Standard
Setting example
defaults
1
(panel keypad) (terminal board)
2
(setting dial) (terminal board VI)
0 (Current signal
(4 - 20 mA))
0
0.0
100
*
64
Run and stop settings
You can switch between forward run (F) and
reverser run (R), and run/stop with external
signals.
Setting characteristics for the frequency
setting signal and operation frequency
Set characteristics at two points in the
diagram below.
Connecting and calibrating the frequency
meter
Select the type of meter connected at 
and calibrate.
⇒ For details, see 3.4.
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