Toshiba TOSVERT VF-nC3 Instruction Manual page 234

 Common specification
Item
Control system
Output voltage range
Output frequency range
Minimum setting steps of
frequency
Frequency accuracy
Voltage/frequency
characteristics
Frequency setting signal
Terminal board base
frequency
Frequency jump
Upper- and lower-limit
frequencies
PWM carrier frequency
PID control
Acceleration/deceleration
time
DC braking
Dynamic Braking Drive
Circuit
Input terminal function
(programmable)
Output terminal functions
(programmable)
Forward/reverse run
Jog run
Preset speed operation
Retry operation
Various prohibition settings
/ Password setting
Regenerative power ride-
through control
12
Auto-restart operation
Failure detection signal
<Continued overleaf>
Sinusoidal PWM control
Adjustable within the range of 50 to 330V by correcting the supply voltage Note1)
0.1 to 400.0Hz, default setting: 0.5 to 60Hz, maximum frequency: 30 to 400Hz
Analog input: 1/1000 of the max. frequency (At 60Hz : 0.06Hz);
VI terminal (0-10V), VI terminal (4-20mA)
1/500 of the max. frequency (At 60Hz : 0.12Hz); VI terminal (0-5V)
Operation panel setting: 0.01Hz (99.99Hz or less), 0.1Hz (100.0Hz or more)
Communication setting: 0.01Hz
Analog setting: within ±1.0% of the max. frequency (25°C ±10°C)
Digital setting: within ±0.1% of the max. frequency (-10 to +60°C)
V/f constant, variable torque, automatic torque boost, vector control, automatic energy-saving. Auto-tuning. Base
frequency (20-400Hz) adjusting to 1 & 2, torque boost (0-30%) adjusting to 1 & 2, adjusting frequency at start
(0.1-10Hz)
Setting dial on the front panel, external frequency potentiometer (connectable to a potentiometer with a rated
impedance of 1k-10kΩ), 0-10Vdc / 0-5Vdc (input impedance: VI=40kΩ), 4-20mAdc (Input impedance: 250Ω).
Note 2)
The characteristic can be set arbitrarily by two-point setting. Possible to set: analog input (VI).
Setting of the jump frequency and the range.
Upper-limit frequency: 0 to max. frequency, lower-limit frequency: 0 to upper-limit frequency
Adjustable range of 2k to 16kHz (default: 12kHz).
Setting of proportional gain, integral gain, differential gain and control waiting time.
Selectable from among acceleration/deceleration times 1 & 2 (0.0 to 3000 sec.). Automatic
acceleration/deceleration function. S-pattern acceleration/deceleration 1 & 2. Control of forced rapid deceleration.
Braking start-up frequency: 0 to maximum frequency, braking rate: 0 to 100%, braking time: 0 to 25.5 seconds,
emergency DC braking.
None (braking module is optional)
Possible to select from among about 60 functions, such as forward/reverse run signal input, jog run signal input,
operation base signal input and reset signal input, to assign to 5 input terminals. Logic selectable between sink and
source.
Possible to select from among about 40 functions, such as upper/lower limit frequency signal output, low speed
detection signal output, specified speed reach signal output and failure signal output, to assign to FL relay output,
open collector output terminals.
The RUN and STOP keys on the operation panel are used to start and stop operation, respectively.
Forward/reverse run possible through communication and logic inputs from the terminal block.
Jog mode, if selected, allows jog operation from the terminal board.
Frequency references + 15-speed operation possible by changing the combination of 4 contacts on the terminal
board.
Capable of restarting automatically after a check of the main circuit elements in case the protective function is
activated. 10 times (Max.) (selectable with a parameter)
Possible to write-protect parameters and to prohibit the change of panel frequency settings and the use of operation
panel for operation, emergency stop or resetting. Possible to write-protect parameters by setting 4 digits password
and terminal input.
Possible to keep the motor running using its regenerative energy in case of a momentary power failure (default:
OFF).
In the event of a momentary power failure, the inverter reads the rotational speed of the coasting motor and outputs
a frequency appropriate to the rotational speed in order to restart the motor smoothly. This function can also be
used when switching to commercial power.
1c- contact output Note 3)
Maximum switching capacity : 250Vac-2A , 30Vdc-2A (At resistive load cosΦ=1),
250Vac-1A (cosΦ=0.4) , 30Vdc-1A (L/R=7ms)
Minimum permissible load : 5Vdc-100mA, 24Vdc-5mA
Specification
L-2
E6581595