July 2010 8 – 81
8Log
8.1 Introduction
The log serves as a troubleshooting aid.
There are 4 MB of process memory available for this purpose.
Error messages and keystrokes are recorded in a process memory.
When the code number LOGBOOK is entered and the soft key EXECUTE is pressed, log entries
are copied from the process memory into an ASCII file on the control's hard disk and are
displayed.
The NC error messages are distinguished by an N-, PLC error messages by a P- before the
error number and the error text.
The sources of the keystrokes are entered in INFO: MAIN KEYSOURCE: <source>.
<source> may include following entries:
- KEYBOARD
- PLC
- PLCNCSTART
- HANDWHEEL
- LSV2
All entries show the date and the local time.
Information on the start and end of NC programs is logged.
The machine manufacturer can use up to 8 additional OEM logs. --> If necessary, ask your
machine manufacturer if these OEM logs are used and which information is available for the
service technician.
If you intend to perform tests and to see the entries in the log, you have to call it each time
again.
The first horizontal soft key (down left on the screen) is recorded in the log as soft key 0,
the second soft key as soft key 1, etc.
The first vertical soft key (top right on the screen) is recorded in the log as V soft key 0, the
second soft key as V soft key 2, etc.
The soft keys are numbered from left to right and from top to bottom.
The arrow keys for the switching of the soft-key rows are recorded.
Any newly called soft-key row starts again with soft key 0 or V soft key 0.
Following messages are not shown in the log:
File system error x
Reason: In case of a write or read error all write activities on the hard disk are always
interrupted as data cannot be written reliably any more.
Relay external DC voltage missing
Reason: This message is always displayed on the monitor after the Power interrupted
message is confirmed. This is an information, not an error message. An entry in the log is
not made.
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