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5. Spindle Adjustment
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bit3. Zero speed (ZS)
Regardless of the input signal state, this signal turns ON when the motor speed drops below the
value set with parameter SP018 (ZSP). Once this signal turns ON, it will not turn OFF for at least
200ms. When switching ON to OFF, hysteresis width is 15r/min. Note that if the parameter SP018
(ZSP) setting value is too small (approx. 10r/min or less), this signal may not be output even if the
motor is stopped.
Zero speed (ZS) sequence
Related spindle parameter
No. Abbr. Parameter name Details
Setting
range
Standard
SP018 ZSP* Motor zero speed Set the motor speed for which zero-speed output is
performed.
1 to 1000
(r/min)
50
Motor speed
Zero speed (ZS)
Forward run start command
(SRN)
Reverse run start command
(SRI)
ON
OFF
0
ON
OFF
ON
OFF
SP018
Output range
200ms
15r/min
15r/min