Toshiba Tosvert VF-A5 User Manual

E6580516
•General specifications
Control method
Sinusoidal PWM control
Output voltage regulation
Main circuit voltage feedback control. (Automatic regulation, "fixed" and "control off"
selections possible)
Output frequency range
0.01 to 400Hz, set to 0.01 to 80Hz by default, max. frequency adjustable from 30 to 400Hz:
Note2)
Frequency setting resolution
0.01 Hz: operation panel input (60Hz base), 0.1 Hz: analog input (60Hz base, 12-bit'O to
1 OVdc) 0.01 Hz: communication input (50Hz base)
Frequency precision
±0.2% of the max. output frequency (25"C±10°C): analog input, ±0.01 (25°C±10°C):
digital input
"'
Constant V/f, variable torque, automatic torque boost, voltage vector control and automatic
c:
.Q
energy-saving control/maximum voltage frequency adjustment (25 to 400Hz), torque boost
(ii
Voltage/frequency characteristics
(.)
adjustment (0 to 30%), start-up frequency adjustment (0 to 1 OHz), end frequency
:;:
'(3
gi_
adjustment (0 to 30Hz)
"'
3k0 potentiometer (1 to 10k0 potentiometer connection also possible)
e
'E
Frequency setting signals
0 to 10Vdc (Input impedanceZin: 33k0), 0 to 10Vdc (Zin: 67k0), 0 to ±5Vdc (Zin: 34k0)
0
(.)
4 to 20mA (Zin: 500 Q)
Terminal block reference 2 sources can be set from a total of five types, including analoc input (RR, IV, RX), pulse
frequency inputs
input and binary input.
Frequency jump
Can be set in three places, jump frequency and band setting
Upper/lower limit frequencies
Upper limit frequency: O to max. frequency,
Lower limit frequency: 0 to upper limit frequency
PWM carrier frequency selection Adjustable between 0.5 and 17kHz (refer to page 71)
PIO control Proportional gain, integral gain, anti-hunting gain, lag-time constant adjustments
Acceleration/deceleration times
0.1 to 6000 sec., acceleration/deceleration times #1 and #2 selection,
acceleration pattern selection
Braking starting frequency adjustment (0 to 120Hz), braking current adjustment (0 to 100%),
DC injection braking braking time adjustment (0 to 10 sec.), emergency stop braking function, motor shaft
stationary control function
Forward/reverse run
Forward run when F-CC "closed", reverse run when R-CC "closed", reverse run when both
"closed", coast-stop when ST-CC "opened". Emergency stop from panel or terminal block.
"'
Jog run
Jog run from panel with JOG mode selection. Terminal block operation possible with
c:
parameter settings.
.Q
~
Preset speed operation: Note 6)
Set frequency + 15 preset speeds possible with open/closed combinations of SS1, SS2,
~
SS3, SS4 and CC.
(.)
g
Retry
When a protective function activates, after main circuit devices are checked, running
g
restarts. Settable to a max. of 10 times. Wait time adjustment (0 to 1 Osec.).
e
Soft stall Automatic load reduction control during overload. (Default setting: OFF)
~
Cooling fan ON/OFF
Fan is automatically stopped when not necessary to ensure extended lifetime.
0
Panel key operation ON/OFF
Prohibit functions such an reset only or monitor only, etc., can be selected. All key
control
operations can also be prohibited. A cancel protection function using a password (number)
is also built-in.
Regeneration power ride-through
Operation is continued even during momentary poewr failure using regenerative energy
control
from the motor. (Default setting: OFF)
Auto-restart A coasting motor can be smoothly restarted. (Default setting: OFF)
Simple pattern run
4 groups of 8 patterns each can be set to the 15 preset speed values. A max. of 32 different
patterns can be run. Terminal block control/repetitive run possible.
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Toshiba Tosvert VF-A5 Specifications

General

Brand	Toshiba
Model	Tosvert VF-A5
Category	Inverter
Language	English