Limits; Maximum Velocity; Maximum Acceleration/Deceleration - Siemens SINAMICS S120 Function Manual

Function modules
9.8 Basic positioner
9.8.2

Limits

Overview
The following list provides an overview of the functions that can be limited and their parameters.
● Limiting the traversing profiles
– Maximum velocity (p2571)
– Maximum acceleration (p2572) / maximum deceleration (p2573)
● Limiting the traversing range
– Software limit switch (p2578, p2579, p2580, p2581, p2582)
– Hardware limit switch (p2568, p2569, p2570)
● Jerk limitation
– Jerk limitation (p2574)
– Activation of jerk limitation (p2575)
The individual subfunctions are described below.
9.8.2.1

Maximum velocity

Function description
The maximum velocity of an axis is defined using parameter p2571. The velocity should not be
set to be greater than the maximum speeds in r1084 and r1087.
The drive is limited to this velocity if a higher velocity is specified or programmed via the
override (p2646) for the reference point approach or is programmed in the traversing block.
Parameter p2571 (maximum velocity) defines the maximum traversing velocity in units 1000
LU/min. If the maximum velocity is changed, then this limits the velocity of a traversing task that
is presently being executed.
This limit is only effective in the positioning mode for:
● Jog mode
● Processing traversing blocks
● Direct setpoint specification / MDI for positioning and setting-up
● Reference point approach
9.8.2.2

Maximum acceleration/deceleration

Function description
Parameter p2572 (maximum acceleration) and p2573 (maximum deceleration) define the
maximum acceleration and the maximum deceleration. In both cases, the units are 1000 LU/s
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Function Manual, 06/2019, 6SL3097-5AB00-0BP2
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Drive functions