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© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
Drive Optimization with HMI Advanced
14.1 Overview
HMI Advanced offers comprehensive functions for analyzing controller action of
drives connected to a SINUMERIK 840Di sl:
S Frequency response measurements for current, speed and position control loop
S Automatic controller setting
S Function generator
S Circularity test
S Servo trace
The measuring functions make it possible to assess the automatic controller
action of the respective control loop (frequency response) by the integrated FFT
analysis (F
ast Fourier Transformation) without external measuring equipment.
The measurement results are represented graphically as a Bode diagram. HMI
Advanced file functions can be used to archive the diagrams for documentation
purposes and to simplify remote diagnostics.
The circularity test serves to analyze the contour accuracy on the quadrant tran-
sitions of circular contours achieved by means of friction compensation (con-
ventional or neural quadrant error compensation).
References: /FB/, Description of Functions
K3 Compensation
Section: Circularity test
Servo trace provides a graphically assisted analysis of the time response of
position controller and drive data.
Measuring
functions
Circularity test
Servo trace
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