08/2005 Commissioning HMI Advanced (IM4)
4 Diagnostics
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Installation and Start-Up HMI (IAM) - 08/2005 Edition
IM4/4-163
4.1.3 Outputting Log File
The log file can be read out from the startup menu. A startup menu is displayed
whenever a crash occurs (PLC Bit DB19, Byte 0, Bit 6). The PLC must set and
reset the bit at the user interface (same as, e.g., key lock, screen brightness
control, etc.).
The HMI evaluates the rising edge of the signal (i.e., a transition from 0 to 1) and
creates the log file when the signal arrives. The HMI only read-accesses the data,
i.e., the signal must be reset from the PLC/user program.
If the bit is already set when the HMI starts up, the HMI does not respond to the
value of the bit (until it is reset and set again).
Reading out the file
The procedure for reading out log files is as follows:
Operating sequence
1. In the Service menu choose the "A__Actionlog" menu (press the "A" button).
The "A__Actionlog" menu is only available if a log file exists.
2. The current log files (AC_LOGA.TXT and AC_LOGB.TXT) are copied to the
part program directory. The message "The action log is filed in the part
program directory for output (files AC_LOG?.TXT)" is then displayed.
3. Press any key to return to the main menu.
4. Once the controller is restarted, you can read out the log files from the
Services operating area in the Data Out -> Via USB menu.
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