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561
Coordinate System
Section 9-3
Unlimited Length Axis
• Upper limit of the unlimited length axis = P5AA04
−
1
• Lower limit of the unlimited length axis = 0
P5AA04: Command unit/1 machine rotation
With the unlimited length axis, even when SL021A: No. of multi-turns is not
zero, the target position and reached position will match.
9-3-3
Software Limit
This is a function to provide software limit value on the coordinate system to
prevent the machine from moving outside of the specified operating range.
Normally, the limit value is set before the hardware limit sensor.
• Timing to detect the limit is only during axis movement (command output).
It is not checked before operations.
• Before exceeding the limits, the following alarms will occur to stop the
axis:
• 3005h: Positive direction software limit
• 3006h: Negative direction software limit
• The software limit function is not applicable for the unlimited length axis
and the axis without an origin.
Related System Parameters
−
1
0
1
2
−
3
−
2
0
Workpiece coordinate system>0
Machine coordinate system
Time
Present position
Upper limit of the
unlimited length axis
Lower limit of the
unlimited length axis
SL021A:
No. of Multi-turns
No.
Name
Range
Unit
Description
P3AA02
Positive direction software
limit
−
2147483648~2147483647
Command
unit
Limit value of the positive
direction software limit
P3AA03
Negative direction software
limit
−
2147483648-2147483647
Command
unit
Limit value of the negative
direction software limit
P3AA04
Software limit enabled/ dis-
abled
0: Both + and - software limits
disabled
1: Only + software limit enabled
2: Only
−
software limit enabled
3: Both + and
−
software limits
enabled.
---
Software limit enable/disable
Содержание CS1W-MCH71 -
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