YASKAWA GA700 Technical Manual page 701

Note:
When if b2-01 ≤ E1-09, the drive will start Zero Speed Control from the frequency set in E1-09.
1 : Coast to Stop
Enter the Stop command or turn OFF the Run command and turn OFF drive output and coast the motor to stop.
Load conditions will have an effect on the deceleration rate as the motor coasts to stop (for example, mechanical
loss and inertia).
Note:
The drive ignores the Run command for the time set in L2-03 [Minimum Baseblock Time] when the Stop command is entered or when
the Run command is switched OFF. Do not enter the Run command until the motor comes to a complete stop. Use DC Injection or
Speed Search to restart the motor before it stops.
2 : DC Injection Braking to Stop
Enter the Stop command or turn OFF the Run command and turn OFF drive output for the time set in L2-03. The
drive waits for the minimum baseblock time and then injects the amount of DC current into the motor set in b2-02
[DC Injection Braking Current] to stop the motor with DC current.
DC Injection Braking stops the motor more quickly than coast to stop.
Note:
If A1-02 = 3, 4, 5, 6, or 7, DC Injection Braking to Stop is not available.
The value set in b2-04 and the output frequency when the drive receives the Stop command determine the DC
Injection Braking time. The drive calculates the DC Injection Braking time as in
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual
Figure 11.13 Coast to Stop
Figure 11.14 DC Injection Braking to Stop
Figure 11.15 DC Injection Braking Time and Output Frequency
11.3 b: Application
Figure 11.15.
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