Logging System Variables - Siemens SINUMERIK 840Di sl Operating Manual

5
Parameters operating area
5.8 Display system variables

5.8.3 Logging system variables

System
variable
Variable
log
Insert
variable
Insert user
variable
OK
Initial.
log
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Function
When variables are used in synchronized actions, it may be necessary
to evaluate and log the status of actions in the interpolation cycle. This
is done by writing the values selected for a log definition to a log file of
defined size in the specified cycle.
Recording of synchronized action variables can be limited to the event
with identification number 1.
This event records variables in the IPO cycle or multiples thereof.
• A maximum of 6 variable contents can be recorded simultaneously
in the log file.
• Size for memory depth: Values between 3 and 50 KB.
The HMI interprets the contents of the log file and displays them in
graphic form.
Sequence of operations
The "System variable views" appears.
The "Variable log" softkey opens the screen with the heading "Log
system variables".
The "Insert variable" softkey opens a dialog box in which the system
variable to be recorded can be selected.
The "Insert user variable" softkey opens a dialog box in which the
existing user variable can be selected.
The variable name in the higher-level window in the current recording
list appears after confirmation with "OK".
If the list already contains 6 entries, the entry on which the cursor is
positioned is overwritten.
Whenever you create a log, you must first initialize the logging
function in the NC by pressing the "Initial. log" button.
You are informed when initialization is complete in the bottom left-
hand corner of the display with the message "Logging initialized - You
can now start".
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition
5
01/2008
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