Siemens SINUMERIK 840DE sl Commissioning Manual page 481

18.12.4 Trace settings
18.12.4.1 Trace settings (PLC, NC, servo)
In the "Trace Settings (PLC, NC, Servo)" window, you define the conditions for starting and
stopping the trace session.
Condition for Start trace
With "Start trace" softkey
If variable
● Condition and value
Data acquisition [s]
Specifies where the recorded data is saved:
● With "On NCK", the recorded data is saved in the NC work memory until the recording is stopped.
● With "CF card" or "On hard disk", the data is saved during the recording on the CompactFlash card
Condition for Stop trace
With "Stop trace" softkey
If the time has expired
If the memory is full
If variable
● Condition and value
● Delay time [s]
● Overwrite at memory
18.12.4.2 Trace settings (drive)
In the "Trace Settings (Drive)" window, you define the conditions for starting and stopping the
trace session:
SINUMERIK Operate (IM9)
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
The recording is started immediately after pressing the "Start trace" softkey.
The session is activated by a variable. The desired variable is selected via
the "Insert variable" softkey or "Quick list" softkey.
After the session has been activated, this defines at which value the trace
recording is started.
The following values are offered: = =, ≠, >, >=, <, <=, ascending, descend‐
ing, changed.
Only then is the session file saved on the CompactFlash card.
or hard disk (e.g. of the PCU). As a consequence, more signals can be processed.
The recording is stopped after pressing the "Stop trace" softkey.
Defines the period which after expiry, the trace recording is exited.
The trace session is terminated when the specified data volume (KB) is
reached.
The recording is stopped by a variable. The desired variable is selected
via the "Insert variable" or "Quick list" softkey.
After the session has been activated, this defines at which value the trace
recording is exited.
The following values are offered: = =, ≠, >, >=, <, <=, ascending, descend‐
ing, changed.
This defines how long the trace still runs after the session has been exited.
Defines from which memory limit the data is overwritten (ring buffer).
limit (KB)
Service and diagnostics
18.12 Trace
467