Diagnostics → Trace; Selecting Variables For Tracing - Siemens SINUMERIK 840D sl Commissioning Manual

6.6 Diagnostics → Trace
6.6.1

Selecting variables for tracing

"Trace" function
The "Trace" function is an oscilloscope function that supports you when optimizing,
troubleshooting and analyzing machines. When selecting the function in the operating area
"Diagnostics" → Menu advance key → Softkey "Trace", the list view is opened to insert variables,
whose signals are to be graphically displayed in the trace view.
A dedicated "Session type" should be used for the following variables:
● NC/PLC/servo variables
● Drive parameters
New session
Procedure:
1. Select "New trace (drive/NC) softkey >" to create a new session.
2. Selection for a session with PLC/NC/servo variables:
3. Selection for a session with drive variables:
Examples of traces sessions
Example of a trace session with servo variables (Page 164)
Using servo variables as example, the following procedure is shown:
● "Zoom (Page 167)" softkey including zoom with image section and zoom with mouse
operation
● "Scale (Page 171)" softkey
● "Cursors (Page 172)" softkey
CNC Commissioning: NC, PLC, Drive
Commissioning Manual, 12/2019, A5E48312804B AA
Commissioning NC-controlled drives
6.6 Diagnostics → Trace
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