SIEMENS
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Siemens PM 21 · 2017
SIMOTION Motion Control System
SIMOTION engineering software
SIMOTION SCOUT
> Diagnostics for testing and commissioning
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Overview
SCOUT includes a number of diagnostic tools to make testing
and startup of SIMOTION applications as simple as possible:
•
Device diagnostics can be used to display program execution
status, system load and memory usage.
•
The diagnostic buffer is used to log the fault history. The
following events are logged in the diagnostic buffer of the
SIMOTION device:
- All system status changes (RUN, STOP, etc.)
- System interrupts with date and time.
•
All error messages related to technology objects (e.g. axis er-
rors) are displayed in the Alarms window of SCOUT with the
fault number and description.
•
All SIMOTION system and application variables can be dy-
namically updated, monitored and controlled while online with
the SIMOTION controller.
•
All programming errors are displayed with the location and
cause during compilation.
•
The status display for programs with possible break points
(LAD/FBD, MCC, ST) and additional step-by-step tracing
(MCC) helps the user to troubleshoot and optimize their code.
During program execution, the values of the variables are dis-
played as they arise, Not only at the end of the cycle when the
sum of all changes has been implemented.
•
Watch tables can be used to combine important variables of
different objects in the project to monitor them, even those of
different SIMOTION devices.
Axis control panel
The axis control panel can be used to commission the axes with
SIMOTION SCOUT. The axes can also be traversed and opti-
mized directly from SCOUT without any user programs.
Path control panel
SIMOTION SCOUT provides a path control panel for commis-
sioning handling kinematics. This supports easy commissioning
and optimization of kinematics directly from SCOUT, even with-
out a user program.
Trace function
The most powerful tool for testing and commissioning is the
trace function integrated in SCOUT.
In this manner, a selection of any of the data in the system (user
variables, I/O variables, data of the technology objects such as
actual position of an axis) can be recorded and traced, real-time.
Up to 32 signals are possible in test mode.
Each SIMOTION device has a trace buffer which can be config-
ured with the trace functionality of SCOUT. When the trace is
started, the configured data is logged in the SIMOTION device.
On completion of the trace, the contents of the trace buffer are
read by SCOUT and displayed graphically.
The trace parameterization and the trace recordings can be
stored in non-volatile memory on a memory card.
In the system trace, up to 128 signals can be recorded time syn-
chronized from several SIMOTION controllers.
Configuring the trace function
The trace function can be configured using the following param-
eters.
•
Trigger condition (e.g. rising edge of a definable signal) and
pre-trigger
•
Time Limit Recording (a multiple of the basic cycle of the
SIMOTION device)
•
Continuous recording (or endless trace with ring buffer)
•
System variables to be logged (system, I/O and user vari-
ables)
Evaluating the trace data
The logged data is displayed in the form of graphs over time for
evaluation. The following functions are offered here:
•
Different colors can be selected for the curves. Curves can be
switched off and on again.
•
The zoom function can be used to show details.
•
Rules support the measuring of, for example, signal level and
duration.
•
Possible changes can be viewed by superimposing measur-
ing curves from different trace logs.
Apart from recording, the trace function also offers a "function
generator" and mathematical functions.
The traced curves can be stored or exported to Microsoft Excel
as a table for further evaluation. Of course, the plots can also be
stored for documentation purposes, inserted in documents or
printed out.
Automatic optimization of the control loops
Automatic optimization of the control loops makes commission-
ing of the axes and drives particularly easy. For SINAMICS S120
drives, the parameters for the speed controller and the position
controller are automatically determined (with DSC).
Integrated measuring functions
The integrated measuring functions support the recording of, for
example, step responses for optimization as well as the detec-
tion of electromagnetic weak points or resonant frequencies (us-
ing, for example, bode diagrams and FFT analysis). Electronic
filters can be optimally placed at these resonant frequencies to
achieve higher dynamics.
© Siemens AG 2017