February 2012 10 – 95
10 Integrated oscilloscope
10.1 Introduction
The iTNC 530 HSCI features an integrated oscilloscope
This oscilloscope has six channels, of which no more than four can be used for signals from the current
and speed controller. If more than four channels of the current and speed controller are to be
displayed, the error message Channel <number> cannot be displayed appears.
Benefits of the integrated oscilloscope for field service:
The actual values of physical quantities such as distance, velocity, acceleration can be compared
with the respective nominal values.
Observing the current I noml and the signals derived from the current value, such as
I2-t (mot.), I2-t (p.m.), Utilization permits conclusions about the tool in use, about
lubrication, the mechanics and the electrical drives.
The following error s diff and the signal Pos.Diff. are also significant for the mechanical quality
of a machine.
For analog axes, s diff provides information on the speed adjustment at the servo amplifier.
By triggering to error markers it is possible to record the behavior of the machine shortly before
an error condition occurs.
Physical signals such as current, speed, etc. can be recorded together with PLC signals.
Static and sliding friction at the quadrant transitions can be analyzed in a circular interpolation
test.
Encoder signals (position encoder, motor encoder) can be recorded.
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