Parameter Details
12
12.7 H: TERMINALS
SIEPYEUOQ2A01G AC Drive Q2A Technical Manual 699
Figure 12.78 DC Injection Braking Time Chart
Note:
• When A1-02 = 8 [Control Method = EZ Vector], this function is available if you use a PM motor.
• Refer to “b2: DC INJ / SHORT CKT BRAKE” for more information.
■ 31: Zero Servo
Setting Function Description
31 Zero Servo
Sets the function to hold a stopped motor.
This function will hold a stopped motor if an external force is applied or an analog reference is offset.
Note:
• Refer to “b9: ZERO SERVO” for more information.
• When you use the Zero Servo function, keep the Run command ON. Zero servo stops the motor and if you turn OFF the Run
command, it will not have power.
■ 32: HiSlipBraking
Setting Function Description
32 HiSlipBraking
Sets the command to use high-slip braking to stop the motor.
Note:
• When you restart the drive after you use high-slip braking, make sure that the drive fully stops the motor then clear the high-slip
braking input.
• Refer to “n3: HIGHSLIP/OVEREXCITATION BRAKE” for more information.
■ 34: Fast Stop NO
Setting Function Description
34 Fast Stop NO
Sets the command to ramp to stop in the deceleration time set in C1-09 [Fast Stop Time] when the input terminal is ON while
the drive is operating.
If you cancel the fast stop input, the drive will not restart the motor until you meet these conditions:
• Fully stop the motor
• Cancel the Run command
• Cancel the fast stop command
Note:
• To use the N.C. switch to input the fast stop command, set 35 [Fast Stop NC].
• Refer to “C1-09 Fast Stop Time on page 587” for more information.
NOTICE: Fast deceleration can trigger an overvoltage fault. To prevent and uncontrolled motor and to make sure that the motor
stops quickly and safely, set an applicable Fast Stop time in C1-09 [Fast Stop Time]. When there is a fault, the drive output will
turn off and the motor will coast to stop.
■ 35: Fast Stop NC
Setting Function Description
35 Fast Stop NC
Sets the command to ramp to stop in the deceleration time set in C1-09 [Fast Stop Time] when the input terminal is ON while
the drive is operating.
If you cancel the fast stop input, the drive will not restart the motor until you meet these conditions:
• Fully stop the motor
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