NSK Megatorque PS Series User Manual

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8.6.3. Shorter Way Positioning
 Shorter way positioning is a function to move the Motor in the shorter way from the current
position to the target position.
◊ For example, the Driver Unit performs the shorter way positioning when the
positioning with the command of “AD24000” without any option is inputted.
 The function of shorter way positioning includes recognition of the software over travel limit
zone.
◊ The Motor rotates in the direction not to enter the off-limits area if it exists in the
direction of shorter way positioning.
Fig 8-15: Example of shorter way positioning
Current
position
Target
position
Shorter way
Current
p
osition
Target
position
Off-limits area
(Set by the parameters OTP and OTM)
Opposite
direction to
off-limits area
If the off-limits area exists In case of no off-limits area
 The function of shorter way positioning is available for the absolute positioning commands
shown in the table below.
Table 8-33: Absolute posiitoning command
Command Function
Initial
setting
Data range Unit
AR
Absolute positioning in units of pulse
(Shorter way)
– 0 to 2 621 439
AR/PL
Absolute positioning in units of pulse
([+ direction] [Example:AR100000/PL])
– 0 to 2 621 439
AR/MI
Absolute positioning in units of pulse
([– direction] [Example:AR100000/MI])
– 0 to 2 621 439
pulse
AD
Absolute positioning in units of degree
(Shorter way)
– 0 to 35 999
AD/PL
Absolute positioning in units of degree
([+ direction] [Example:AD9000/PL])
– 0 to 35 999
AD/MI
Absolute positioning in units of degree
([– direction] [example: AD9000/MI])
– 0 to 35 999
0.01°
AQ
Absolute positioning with user scale
(Shorter way)
– 0 to QR-1
AQ/PL
Absolute positioning with user scale
([+ direction] [Example: AQ180000/PL])
– 0 to QR-1
AQ/MI
Absolute positioning with user scale
([– direction] [Example: AQ180000/MI])
– 0 to QR-1
360°/parameter
QR

NSK Megatorque PS Series Specifications

General

Brand	NSK
Model	Megatorque PS Series
Category	Engine
Language	English