Bandstops And Low Passes As Speed Setpoint Filter - Siemens SINUMERIK 840C Installation Instructions Manual

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Speed setpoint filter combinations

Depending on requirements, the "Bandstop" function can be set in three configurations:

Simple bandstop. MD 1514/MD 1517 and MD 1515/MD 1518.

Bandstop with adjustable damping of amplitude response plus MD 1516/MD 1519.

Bandstop with adjustable damping of amplitude response and increase/decrease in

amplitude response above blocking frequency plus MD 1520/MD 1519.

The sampling frequency of the control (MD 1001) sets an upper limit to the blocking frequency

input (parameterization error).

In the case of rigid mechanical components, the k

of the subordinate speed control loop (incl. filter time constants and position controller

deadtimes) are indirectly proportional for the purpose of optimizing the position control loop.

components (table frequencies), it is possible to use the filter time constant (as a component

of the subordinate dynamic response) as an additional degree of freedom to the servo gain

factor to dampen resonance without impairing the dynamic response of the position controller.

SINUMERIK 840C (IA)

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