Chapter 5 Parameters|VFD-B Series 
Revision July 2008, BE16, SW V4.08 & V5.00  5-11 
Parameter Explanation  Settings 
Factory 
Setting
Customer
05-22  Time Duration of 6th 
Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-23  Time Duration of 7th 
Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-24  Time Duration of 8th 
Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-25  Time Duration of 9th 
Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-26  Time Duration of 
10th Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-27  Time Duration of 
11th Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-28  Time Duration of 
12th Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-29  Time Duration of 
13th Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-30  Time Duration of 
14th Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
05-31  Time Duration of 
15th Step Speed 
00 to 65500 sec or 00 to 6550.0 sec  00   
00: 1 sec 
05-32 Time Unit Settings 
01: 0.1 sec 
00 
 
05-33 
The Amplitude of 
Wobble Vibration 
0.00~400.00 Hz 
0.00
 
05-34 
Wobble Skip 
Frequency 
0.00~400.00 Hz  0.00
 
 
Group 6 Protection Parameters 
Parameter Explanation  Settings 
Factory 
Setting
Custome
230V series: 330.0V to 410.0V  390.0V
460V series: 660.0V to 820.0V  780.0V
575V series: 825.0V to1025.0V  975.0V
06-00 
Over-Voltage Stall 
Prevention 
00: Disable over-voltage stall prevention   
 
06-01 
Over-Current Stall 
Prevention during 
Accel 
20 to 250%  170 
 
06-02 
Over-Current Stall 
Prevention during 
Operation 
20 to 250%  170 
 
00: Disabled 
01: Enabled during constant speed operation. 
After the over-torque is detected, keep 
running until OL1 or OL occurs. 
06-03 
Over-Torque 
Detection Mode 
(OL2) 
02: Enabled during constant speed operation. 
After the over-torque is detected, stop 
running. 
00