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Motor brake and stop operation
MM-GKR operation under position control
Start signal state
With SON signal assigned Without SON signal assigned
SON signal ON SON signal OFF LX signal ON LX signal OFF
Start signal (STF or STR)
OFF
Servo lock Base shutoff Servo lock Base shutoff
ON
Operation Base shutoff Operation Base shutoff
RY signal (drive unit operation ready)
ON OFF ON ON
NOTE
Pr.10 and Pr.11 are invalid during position control.
When terminal assignment is changed using Pr.178 to Pr.184 (input terminal function selection) and Pr.190 to Pr.192 (output
terminal function selection), the other functions may be affected. Set parameters after confirming the function of each
terminal. (Refer to page 138)
CAUTION
Install a mechanical brake to make an emergency stop or to stay stopped for a long time.
After the machine is completely stopped and the motor is immobilized using a mechanical brake, turn OFF the
servo-ON signal (SON) or the pre-excitation signal (LX).
A PM motor is a magnet motor. High-voltage is generated at motor terminals while the motor is running. Do not
touch motor terminals and other parts until the motor stops to prevent an electric shock.
Parameter referred to
Pr.13 Starting speed Refer to page 128
Pr.178 to Pr.184 (input terminal function selection) Refer to page 138
Pr.190 to Pr.192 (output terminal function selection) Refer to page 144
ON
ON
ON
STF
LX
ON
ON
ON
ON
STF
SON
Servo lock
ON
ON
ON
ON
ON
ON
ON
Rotation
speed
Time
Time
(r/min)
Initial magnetic pole
detection (Approx. 100ms)
Rotation
speed
Time
Time
RY (drive unit operation ready)
RY2 (operation ready 2)
(r/min)
Operation example by the SON signal under position control
Operation example by the LX signal under position control
Initial magnetic pole detection
(Approx. 100ms)
Base shutoff when
the SON signal is OFF
Base shutoff when
the LX signal is OFF
Servo lock
RY (drive unit operation ready)
RY2 (operation ready 2)