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Setup By Analog Input Signals (rr/s4 Terminal - Toshiba Tosvert VF-AS1 Instruction Manual

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7.3.1 Setup by analog input signals (RR/S4 terminal)

If a potentiometer (1~10kΩ-1/4W) for setting up frequency is connected with the RR/S4 terminal, the inverter can
be run and stopped with external commands.
For bringing this function into practice, connect a potentiometer to the terminals of PP, RR/S4 and CC so as to
divide the reference voltage (10Vdc) at the terminal PP and to input 0 to 10Vdc of divided voltage between the
RR/S4 and CC terminals.
If analog voltage signal of 0 to 10Vdc is input between the terminals of RR/S4 and CC, frequency can be set up
without connection of a potentiometer.
Title
Command mode selection

Frequency setting mode selection

1

FM terminal meter selection
FM terminal meter adjustment

Frequency priority selection

Analog input filter


RR/S4 input point 1 setting
RR/S4 input point 1 frequency

RR/S4 input point 2 setting

RR/S4 input point 2 frequency

*1: Inverter with a model number ending with -WN1, HN: 60.0 -WP1: 50.0
MCCB
Power
supply
Function
 ~ 
 ~ 
 ~ 
-
 , 
 (No filter)~  (Max.
filter)
 ~  %
 ~  Hz
 ~  %
 ~  Hz
CHARGE
U/T1
R/L1
VF-AS1
V/T2
S/L2
W/T3
T/L3
RES
S1
S2
FLA
S3
FLB
FLC
F
P24/PLC
R
PWR
OUT1
FM
OUT2
AM
NO
CC
CC
CCA RX
VI/II
RR/S4
PP
1~10k-1/4W
G-11
Adjustment range
Default setting
 (Terminal)
 (RR/S4)

-




*1 
 Run/stop setup
To control switching between forward run
Motor
(F) and reverse run (R), and stop by
external commands.
IM
 Setup of frequency setting signal and
running frequency characteristic
To set up frequency setting signal to be
input to the potentiometer (RR/S4
terminal) and characteristic of running
frequency.
Frequency characteristic is set up at the
two points of RR/S4 reference point 1
()/frequency (), RR/S4
reference point 2 ()/frequency
().
 Connection and calibration of
Forward run
frequency meter
Connect a 1mAdc full-scale DC current
Reverse run
meter, 7.5Vdc full-scale DC voltmeter or
rectifier type AC voltmeter. For
calibration of the meter, refer to the
Section 5.16.
Frequency
Hz
meter

Point 1
Operation
frequency


0%
(0V
Frequency setting
E6581442
Setting value
 (Terminal)
 (RR/S4)

-




*1 
Point 2
%

100%
~
10V)
7

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