Group 50 — AC Drive Control
MVX9000 User Manual 5-31
Descriptions of
Parameter Settings
Group 50 — AC Drive Control
50.01
Source of Master
Frequency
Range: Default: 01
00 Master Frequency determined by digital keypad on the drive.
01 Master Frequency determined by keypad potentiometer.
02 Master Frequency determined by 0 – 10V on terminal AI1.
03 Master Frequency determined by 4 – 20 mA on terminal AI2.
04 Master Frequency determined by RS-485.
50.02
Source of Operation
Command
Range: Default: 00
00 Operating commands determined by the Digital Keypad.
01 Operating commands determined by the External Control
Terminals. Keypad STOP key is enabled.
02 Operating commands determined by the External Control
Terminals. Keypad STOP key is not enabled.
03 Operating commands determined by the RS-485
communication interface. Keypad STOP key is enabled.
04 Operating commands determined by the RS-485
communication interface. Keypad STOP key is not enabled.
50.03
Stop Method Range: Default: 00
00 Ramp to stop
01 Coast to stop
This parameter determines how the motor is stopped when
the AC drive receives a valid stop command.
Ramp: The AC drive decelerates the motor to the Minimum
Output Frequency based on the time set in Pr. 50.12.
Coast: The AC drive stops the output instantly upon command,
and the motor free spins until it comes to a complete stop.
Figure 5-35: Stop Methods
Freq.
Motor
Speed
Operation
Command
ON OFF
Ramp
Time
Hz
Stops According
to Deceleration Time
Freq.
Motor
Speed
ON OFF
Coast
Time
Hz
Free Running
to Stop