Toshiba TOSVERT VF-P7 Instruction Manual page 233

4) Common specifications
Item
Control method Sinusoidal PWM control
Output voltage
Main circuit voltage feedback control (Automatic regulation, "fixed" and "control off"
adjustment
selections possible)
Output frequency range 0.01 to 400Hz, set to 0.01 to 80Hz by default, max. frequency adjustable from 30 to 400Hz
Frequency setting 0.01Hz: operation panel input (60Hz base), 0.015Hz: analog input (60Hz base, 12/16
resolution
bit/0-10Vdc)
Frequency +/-0.2% of the max. output frequency (25+/-10°C): analog input, +/-0.01% (25+/-
precision
10°C): digital input
Constant V/f, variable torque, automatic torque boost, vector control and automatic energy-saving
Voltage/
control, base frequency 1･2･3･4 adjustment (25 to 400Hz) arbitrary V/f 5-point settings, torque boost
frequency
adjustment (0 to 30%), start-up frequency adjustment (0 to 10Hz), end frequency adjustment (0 to 30Hz)
characteristic
Frequency setting 3kΩ potentiometer (1 to 10kΩ-potentiometer connection also possible), 0 to 10Vdc
signal (input impedance Zin: 33kΩ), 0 to +/-10Vdc (Zin: 67kΩ), 4 to 20mAdc (Zin: 500Ω)
2 sources can be set from a total of seven types, including analog input (RR, VI, II,
Terminal board reference
RX, RX2), pulse and binary/BCD (*RX2 and binary/BCD: optional)
frequency input
Can be set in three places, jump frequency and band setting
Frequency jump
Upper limit frequency: 0 to maximum frequency, lower limit frequency: 0 to upper
Upper/lower limit
limit frequency
frequencies
Adjustable within a range of 0.5 to 15kHz
PWM carrier
(0.5 to 8kHz for 200V 55kW models and 400V 75kW models,
frequency selections
0.5 to 5kHz for 200V 75-110kW models and 400V 90-315kW models)
Proportional gain, integral time, anti-hunting gain, filter delay adjustments
PID control
Torque control
Voltage control reference: DC0 to +/-10V
0.01 to 6000 sec., acceleration/deceleration time selectable from among 1, 2, 3 and 4, automatic
Acceleration/
acceleration/deceleration function, S-pattern acceleration/deceleration patterns 1 and 2 adjustment
deceleration time
Braking start frequency: adjustment (0 to 120Hz), braking current adjustment: ( 0 to 100%), braking time
DC injection
adjustment: (0 to 10 sec.), emergency stop braking function, motor shaft stationary control function
braking
Forward/reverse Forward run F-CC "closed", reverse when R-CC "closed", reverse when both "closed"
coast stop when ST-CC "opened", Emergency stop from panel or terminal block
run (*1)
Jog run from panel with JOG mode selection. Terminal block operation possible with
Jog run (*1)
parameter settings.
Set frequency +15-speed preset speeds possible with open/close combinations. S1,
Preset-speed
S2,S3, S4 and CC Acceleration/deceleration time, torque limit and V/f selectable on
operation (*1)
a frequency.
When a protective function activities, after main circuit devices are checked, running
Retry
restarts. Settable to a max. of 10times. wait time adjustment (0 to 10sec)
Automatic load reduction control during overload (Default setting: OFF)
Soft-stall
Fan is automatically stopped, When not necessary to ensure to extended life time.
Cooling fan ON/OFF
Panel key Prohibit functions such as reset only or monitor only etc., can be selected. All key
operations can be also prohibited. A protection reset function which requires special
operation ON/OFF
operation to enable it is available.
switching
Operation is continued even during momentary power failure using regenerative
Regenerative power
energy from the motor. (Default setting: OFF)
ride-through control
The motor can be restarted at the same speed in the same direction it run under no-
Auto-restart in
load conditions before stop. (Default setting: OFF)
32 patterns in 4 groups (8 pattern in each group) can be set according to 15-speed
Simple pattern
operation frequency. Up to 32 patterns of operation, control from terminal
run
board/repeated operation possible.
Commercial power/ Power supply to motor, switchable between commercial power and inverter
inverter switching
With this function, the load applied to the motor can be monitored. Its rotating speed
High-speed run at
is increased to improve the operation efficiency when the load applied to it is low.
low-load
This function prevent a load from being imposed to a single inverter because of
Drooping function
imbalance, when more than one inverter is used in combination to drive the load.
Override function Preset frequency control value adjustable by signals from an external control unit
Stall prevention, current limit, over-current, over-voltage, load-side short-circuit, load-side ground
Protective fault(*6), undervoltage, momentary power failure (15ms or longer), regeneration power ride-through
function
control, electronic thermal overload protection, armature over-current during start-up, load-side
over-current during start-up, dynamic braking resistor overload, heat sink overheat, emergency stop
Electronic thermal Standard motor/constant-torque VF motor switching, electronic thermal stall
characteristic prevention operational level adjustment
Reset triggered by closing 1a-contact (or opening 1b-contact), by control panel operation, or
Reset
by turning on the power after turning off temporarily. Tripped state retention and clear settings
(Continued on the following page)
Description
K-3