Parameter Details
11
11.3 b: Application
YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual 593
■ b1-21 CLV Start Selection
No.
(Hex.)
Name Description
Default
(Range)
b1-21
(0748)
Expert
CLV Start Selection
Sets the conditions for the drive to accept the Run command when the motor speed is at least the
setting value of b2-01 or less than the setting value of E1-09. Usually it is not necessary to change
this setting.
0
(0, 1)
0 : Reject RUN if b2-01<U1-05<E1-09
The Run command input is not accepted when the motor speed is at least the setting value of b2-01 or less than
the setting value of E1-09.
1 : Accept RUN Command at Any Speed
The Run command input is accepted when the motor speed is at least the setting value of b2-01 or less than the
setting value of E1-09.
■ b1-23: Selection REV Parameters
No.
(Hex.)
Name Description
Default
(Range)
b1-23
(0B1D)
Selection REV Parameters
Sets the operation of reverse parameters.
0
(0, 1)
0 : Disabled
The drive operates with forward operation parameters.
1 : Enabled
The drive operates with reverse operation parameters during reverse operation.
■ b1-35: Digital Input Deadband Time
No.
(Hex.)
Name Description
Default
(Range)
b1-35
(1117)
Expert
Digital Input Deadband
Time
Sets the deadband time for MFDIs.
0.0 ms
(0.0 to 100.0 ms)
When the on/off time for MFDIs is longer than the time set in b1-35, the drive activates the MFDI. Set this
parameter to prevent malfunctions caused by relay chattering for applications in which relays send input to MFDI
terminals.
◆ b2: DC Injection Braking
b2 parameters set DC Injection Braking.
DC Injection Braking: A braking method that injects DC current into the motor windings. This function should
not be used too frequently, because it generates a fair amount of heat in the motor.
■ b2-01: DC Injection/Zero SpeedThreshold
No.
(Hex.)
Name Description
Default
(Range)
b2-01
(0189)
DC Injection/Zero
SpeedThreshold
Sets the frequency to start DC Circuit Braking and Zero Servo.
0.5
(0.0 - 10.0 Hz)
Note:
This parameter is available when b1-03 = 0 [Stopping Method Selection = Ramp to Stop].
When the control method selected in A1-02 [Control Method Selection] changes, the b2-01 function changes.
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