Toshiba TOSVERT VF-S11 User Manual

E6581158
F-42
6
[Parameter setting]
Title Function Adjustment range Default setting
H
Overvoltage limit operation
(Slowdown stop mode selection)
0: Enabled
1: Prohibited
2: Enabled (forced quick
deceleration)
3: Enabled (dynamic quick
deceleration)
2
H Overvoltage limit operation level 100-150%
200V models: 134%
400V models: 140%
, If H is set to  (quick deceleration), the inverter will increase the voltage to the motor (over-
excitation control) to increase the amount of energy consumed by the motor when the voltage reaches the
overvoltage protection level, and therefore the motor can be decelerated more quickly than normal decel-
eration.
, If H is set to  (dynamic quick deceleration), the inverter will increase the voltage to the motor
(over-excitation control) to increase the amount of energy consumed by the motor as soon as the motor
begins to slow down, and therefore the motor can be decelerated still more quickly than quick decelera-
tion.
6.13.6 Output voltage adjustment/Supply voltage correction
XNX
: Base frequency voltage 1
H
: Supply voltage correction (output voltage adjustment)
• Function
Base frequency voltage1
The H parameter adjusts the voltage corresponding to the base frequency 1 XN so that no
voltage exceeding the XNX set value is put out. (This function is enabled only when H is set
to either "0" or "1".)
Supply voltage correction
The H parameter maintains a constant V/F ratio, even when the input voltage decreases. The
torque during low-speed operation is prevented from decreasing.
Maintains a constant V/F ratio, even when the input voltage fluctuates.
Output voltage adjustment .............Limits the voltage at frequencies exceeding the base frequency. Applied
when operating a special motor with low induced voltage.
[Parameter setting]
Title Function Adjustment range Default setting
XNX Base frequency voltage1
200V models: 50 - 330 (V)
400V models: 50 - 660 (V)
200V models:
200V
400V models:
400V
H
Supply voltage correction
(output voltage limited)
0: Supply voltage uncorrected,
output voltage limited
1: Supply voltage corrected,
output voltage limited
2: Supply voltage uncorrected,
output voltage unlimited
3: Supply voltage corrected,
output voltage unlimited
2 (WP, WN)
3 (AN)

Toshiba TOSVERT VF-S11 Specifications

General

Model	TOSVERT VF-S11
Category	Inverter
Output Frequency	0.1-400Hz
Frequency Range	0.1-400Hz
Control Method	V/f Control, Sensorless Vector Control
Power Rating	0.2kW to 15kW
Cooling Method	Forced air cooling
Overload Capacity	150% for 60 seconds
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Communication	Modbus RTU
Input Voltage	200-240V, 380-480V
Braking Unit	Built-in (optional external braking resistor)