4-241
DC Bus
KEB Detection Level
10V for 220V series
20V for 440V series
Output
Frequency
Run
Command
KEB
Re-acceleration
Command
Re-acceleration
KEB
operation
Figure 4.4.95 KEB operation
11-49
Zero-servo gain
Range
0~50
11-50
Zero-servo count
Range
0~4096
11-51
Braking selection of zero-speed
Range
0:
Zero-speed DC braking is disabled
1:
Zero-speed DC braking is enabled
When the motor is stopped, the zero-servo function is used to maintain the motor shaft position in SV control
mode.
Refer to the figure 4.4.96 for zero servo operation.
Run command
Zero-servo command
(03-00 - 07 = 46)
Motor speed
Zero-servo
Completion
03-11 - 12 = 31)
t
t
t
t
t
Zero speed level
(The greater of 01-08 or 07-06)
11-50
Zero-servo
status
Figure 4.4.96 Zero servo operation
