Path traversing behavior
8.7 Influencing the motion control
Job planning
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
485
8.7 Influencing the motion control
8.7.1 Percentage jerk correction (JERKLIM)
Function
Using the NC command JERKLIM, the maximum jerk of an axis for path motion - set using
machine data - can be reduced or increased in critical program sections.
Precondition
The acceleration mode SOFT must be active.
Effectiveness
The function is effective:
● In the AUTOMATIC operating modes.
● Only on path axes.
Syntax
JERKLIM[<axis>]=<value>
Meaning
JERKLIM: Command for jerk correction
<axis>: Machine axis whose jerk limit value is to be adapted.
Percentage correction value, referred to the configured maximum axis
jerk for path motion (MD32431 $MA_MAX_AX_JERK).
Range of values: 1 ... 200
<value>:
Value 100 does not influence the jerk.
Note
The behavior of JERKLIM at the end of the part program and channel reset is configured
with bit 0 in machine data MD32320 $MA_DYN_LIMIT_RESET_MASK:
• Bit 0 = 0:
The programmed value for JERKLIM is reset to 100% with channel reset/M30.
• Bit 0 = 1:
The programmed value for JERKLIM is retained beyond the channel reset/M30.
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