11.3 b: APPLICATION
398 SIEPYEUOQ2A01A AC Drive Q2A Technical Manual
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b1-15
(01C4)
Freq. Ref. Sel. 2
Sets the input method for frequency reference 2.
0 : Keypad
1 : Analog Input
2 : Modbus
3 : Option PCB
4 : Pulse Train Input
0
(0 - 4)
523
b1-16
(01C5)
Run Comm. Sel 2
Sets the input method for Run Command 2 when the user switches the control circuit
terminals ON/OFF to change the Run command source.
0 : Keypad
1 : Analog Input
2 : Modbus
3 : Option PCB
0
(0 - 3)
525
b1-17
(01C6)
RUN@PowerUp
Selection
Sets drive response when energizing a drive that has an external Run command. Set this
parameter in applications where energizing or de-energizing the drive enables the Run
command.
1 : Disregard RUN
2 : Accept RUN
1
(1, 2)
526
b1-21
(0748)
Expert
CLV Start Selection
Sets drive response to a Run command when A1-02 = 3 or 7 [Control Method =
CLVector or PM CLVector]. Usually it is not necessary to change this setting.
1 : Reject RUN
2 : Accept RUN
1
(1, 2)
526
b1-35
(1117)
Expert
DI Deadband Time
Sets the deadband time for MFDIs.
0.0 ms
(0.0 to 100.0 ms)
527
◆ b2: DC INJ / SHORT CKT BRAKE
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b2-01
(0189)
ZSpd/DCI Threshold
Sets the frequency to start DC Injection Braking, Short Circuit Braking, and Zero Servo.
Note:
This parameter is available when b1-03 = 0 [Stopping Method Selection = Ramp-
>Stop].
Determined by A1-02
(0.0 - 10.0 Hz)
527
b2-02
(018A)
DCI Braking Current
Sets the DC Injection Braking current as a percentage of the drive rated current.
50%
(0 - 100%)
528
b2-03
(018B)
DCInj Time@Start
Sets the DC Injection Braking Time at stop. Sets the zero speed control at stop in CLV,
AOLV, or CLV/PM.
A1-02 = 4: 0.03 s
Other than A1-02 = 4:
0.00 s
(0.00 - 10.00 s)
528
b2-04
(018C)
DCInj Time@Stop
Sets the DC Injection Braking Time at stop. Sets the zero speed control at stop in CLV,
AOLV, or CLV/PM.
Determined by A1-02
(0.00 - 10.00 s)
528
b2-08
(0190)
MagFlux Comp Value
Sets how much current the drive injects when DC Injection Braking at Start starts
(Initial Excitation) as a percentage of E2-03 [Mot No-Load Current].
0%
(0 - 1000%)
529
b2-12
(01BA)
SCB Time@Start
Sets the Short Circuit Braking time at start.
0.00 s
(0.00 - 25.50 s)
529
b2-13
(01BB)
SCB Time@Stop
Sets the Short Circuit Braking time at stop.
A1-02 = 8: 0.00 s
Other than A1-02 = 8:
0.50 s
(0.00 - 25.50 s)
529
b2-18
(0177)
SCB Current
Sets the Short Circuit Braking Current as a percentage of the motor rated current.
100.0%
(0.0 - 200.0%)
530
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