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2-10-11 DC Injection Braking
Item name
Constant to be set
Factory preset
DC injection during stop
No. 27
See page 40.
DC injection at start
No. 28
See page 40.
Prevents overrun at stop. (Exact position stop)
No. 7
No. 26
No. 27
Time
Frequency
Current
Time
Stops a coasting motor without tripping even when the direction of
rotation is unknown.
No. 7
No. 26
No. 28
Time
Frequency
Current
Time
2-10-12 Motor Stall Prevention Function
Item name
Constant to be set
Factory preset
Operation level for stall prevention during ac-
celeration
No. 30
170%
Operation level for stall prevention during run-
ning
No. 31
160%
Automatically adjusts output frequency according to the load so as
to continue operation of the machine without stalling the motor.
Stall Prevention During Acceleration
Stall Prevention During Running
Time
Time
Output freq.
Motor current
Reduces speed to prevent motor over-
load
No. 31
Suppresses acceleration rate
during this time to prevent stall.
Motor current
Time
Time
0utput freq.
No. 30
Set “1” for connecting braking resistor unit.
DC Injection Braking
During Stop
Starting DC Injection
Braking During Start
Stall Prevention During
Deceleration
Section 2-10
Summary of Contents for SYSDRIVE 3G3SV
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