Toshiba Tosvert VF-S15 User Manual

E6582175
F-48
6
6.12.2 Motor shaft fixing control
f254 : Motor shaft fixing control
 Function
This function is used to preheat the motor or to prevent the motor from running unexpectedly when its
shaft is not restrained.
[Parameter setting]
Title Function Adjustment range Default setting
f254
Motor shaft fixing control 0: Disabled, 1: Enabled 0
If the motor shaft fixing control f254 is set to 1, half amount of the braking force set with f251 (DC
braking rate) will make the motor continue DC braking even after the completion of ordinary DC braking. To
stop motor shaft fixing control, turn off the standby command (ST signal).
DC injection braking start frequency

LED display
Time [s]
Output frequency [Hz]
Operation signal (F-CC)
ON
OFF
Output current [A]
0
0
Set frequency
Operation standby signal (ST-CC)
ON
OFF

2
“

” is displayed.
“

” is displayed.

As the default setting for ST (Standby) is Always ON, change the following settings:
  (no function)
 Assign 6: ST (Standby) to an open input terminal.

Toshiba Tosvert VF-S15 Specifications

General

Category	Inverter
Control Method	V/f control, Sensorless vector control
Cooling Method	Forced air cooling
Model	Tosvert VF-S15
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Communication Options	Modbus RTU
Overload Capacity	150% for 1 minute
Braking Unit	Built-in braking transistor
Output Voltage	3-Phase, same as input voltage
Operating Temperature	-10 to +50°C (14 to 122°F)
Storage Temperature	-20 to 65°C (-4 to 149°F)
Humidity	5 to 95% RH (non-condensing)
Altitude	Up to 1000m above sea level
Input Voltage	3-Phase 200 to 240 VAC, 3-Phase 380 to 480 VAC
Weight	Varies depending on model (e.g., 0.8 kg to 16 kg)