YASKAWA iQpump1000 User Manual page 218

4.7 Basic iQpump Setup and Application Preset Parameters
2. Setting not available in drive models 4A0930 and 4A1200.
Setting 7: AUTOKey + Serial
When b1-02/b1-16 = 7, the AUTO key puts the drive into AUTO mode and the Serial Run command (register 0001) acts as
the External Run command.
Note: 1. Setting available in drive software versions PRG: 8552 and later.
2. Setting not available in drive models 4A0930 and 4A1200.
Setting 8: AUTOKey + Option
When b1-02/b1-16 = 8, the AUTO key puts the drive into AUTO mode and the Option Card Run command acts as the External
Run command.
Note: 1. Setting available in drive software versions PRG: 8552 and later.
2. Setting not available in drive models 4A0930 and 4A1200.
n b1-03: Stopping Method Selection
Selects how the drive stops the motor when the Run command is removed or when a Stop command is entered.
Note: Parameter b1-11, Run Delay at Stop (Back Spin Timer), is effective for all stopping methods (b1-03 = 0 to 3), not only Coast to Stop w/
Timer (b1-03 =3).
No.
b1-03
Setting 0: Ramp to Stop
When the Run command is removed, the drive will decelerate the motor to stop. The deceleration rate is determined by the
active deceleration time. The default deceleration time is set to parameter C1-02.
When the output frequency falls below the level set in parameter b2-01, the drive will start DC injection, Zero Speed Control,
or Short Circuit Braking.
Setting 1: Coast to Stop
When the Run command is removed, the drive will shut off its output and the motor will coast (uncontrolled deceleration) to
stop. The stopping time is determined by the inertia and the friction in the driven system.
Note: After a stop is initiated, any subsequent Run command entered will be ignored until the minimum baseblock time (L2-03) has expired. Do
not enter Run command until it has come to a complete stop. Use DC Injection at Start
Circuit Braking on page
stopped.
Setting 2: DC Injection Braking to Stop
When the Run command is removed, the drive will enter baseblock (turn off its output) for the minimum baseblock time
(L2-03). When the minimum baseblock time has expired, the drive will inject the amount DC Injection Braking is set in
parameter b2-02 into the motor windings to brake the motor. The stopping time in DC Injection Braking to Stop is significantly
faster compared to Coast to Stop.
218
Parameter Name
Stopping Method Selection
Run
command
ON
Output
frequency
Motor speed
Figure 4.36 Coast to Stop
354) or Speed Search (Refer to b3: Speed Search on page
Setting Range
OFF
Drive output is shut off
(Refer to b2: DC Injection Braking and Short
354) to restart the motor before it has completely
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