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5. Spindle Adjustment
5 - 10
bit5. Gear selection command 1 (GR1)
bit6. Gear selection command 2 (GR2)
This selects the number of spindle gear stages required to carry out orientation operation or
various position control operation.
GR2 GR1 Gear ratio
0 0 SP025, SP029
0 1 SP026, SP030
1 0 SP027, SP031
1 1 SP028, SP032
Related spindle parameters
No. Abbr. Parameter name Details
Setting
range
Standard
setting
SP025 GRA1* Spindle gear teeth
count 1
Set the number of gear teeth of the spindle corresponding to
gear 000.
1 to 32767 1
SP026 GRA2* Spindle gear teeth
count 2
Set the number of gear teeth of the spindle corresponding to
gear 001.
1 to 32767 1
SP027 GRA3* Spindle gear teeth
count 3
Set the number of gear teeth of the spindle corresponding to
gear 010.
1 to 32767 1
SP028 GRA4* Spindle gear teeth
count 4
Set the number of gear teeth of the spindle corresponding to
gear 011.
1 to 32767 1
SP029 GRB1* Motor shaft gear
teeth count 1
Set the number of gear teeth of the motor shaft corresponding
to gear 000.
1 to 32767 1
SP030 GRB2* Motor shaft gear
teeth count 2
Set the number of gear teeth of the motor shaft corresponding
to gear 001.
1 to 32767 1
SP031 GRB3* Motor shaft gear
teeth count 3
Set the number of gear teeth of the motor shaft corresponding
to gear 010.
1 to 32767 1
SP032 GRB4* Motor shaft gear
teeth count 4
Set the number of gear teeth of the motor shaft corresponding
to gear 011.
1 to 32767 1
bit8. Forward run start command (SRN)
This is an operation command. The speed command must also be designated to rotate the motor.
If the orientation command is input, the orientation operation will have the priority.
SRN Explanation
1 (ON)
The motor rotates in the counterclockwise direction (CCW) looking
from the shaft at the commanded speed.
0 (OFF)
The motor decelerates to a stop.
After stopping, the drive unit's power module turns OFF.
bit9. Reverse run start command (SRI)
This is an operation command. The speed command must also be designated to rotate the motor.
If the orientation command is input, the orientation operation will have the priority.
SRN Explanation
1 (ON)
The motor rotates in the clockwise direction (CW) looking from the
shaft at the commanded speed.
0 (OFF)
The motor decelerates to a stop.
After stopping, the drive unit's power module turns OFF.
Spindle motor rotation direction
Counterclockwise
direction
Spindle motor rotation direction
Clockwise direction