Basic Functions
Function Manual 09/2011, 6FC5397-0BP40-2BA0
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4
B2: Acceleration
4.1 Brief description
4.1.1 General
Scope of functions
The Description of Functions covers the following sub-functions:
• Acceleration
•Jerk
• Kneeshaped acceleration characteristic
Acceleration and jerk
The effective acceleration and jerk can be optimally matched to the machine and machining situation concerned
using axis- and channel-specific programmable maximum values, programmable acceleration profiles in part
programs and synchronized actions, and dynamic adaptations and limitations.
Kneeshaped acceleration characteristic
The knee-shaped acceleration characteristic means that, in the case of machine axes featuring a motor (in
particular stepper motors) with a torque characteristic that is highly dependent upon speed, acceleration can be
set at the level required to ensure optimum utilization of the motor whilst at the same time protecting it against
overload.
4.1.2 Features
Acceleration
Axis-specific functions:
• Programmable maximum acceleration value
• Acceleration profile that can be selected via part-program instruction:
Acceleration without jerk limitation (BRISKA)
• Setting of maximum value using part-program instruction (ACC)
• Specific maximum value for programmed rapid traverse (G00).
• Specific maximum value for traverse with active jerk limitation
• Excessive acceleration for non-tangential block transitions
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