Eaton easyE4 Manual page 482

6. Function blocks
6.1 Manufacturer function blocks
478
Parameter set
Directory name of log session
Storage mode
Number of files per log session A log session contains n log files
Number of data sets per log file A log file contains n data sets
Log when input values change
Function block release by
EN is necessary
Parameter display
+ Call enabled
Simulation possible
Storage mode
You can select between Ring buffer and Until number of log files is reached :
Ring buffer
If you select the ring buffer mode, the older values will be overwritten after a certain
amount of time. If you select this option, you will be able to look at past values up to a
certain limit, as old data will be lost at some point.
Until number of log files is reached
Up to n log files will be created in succession in a single folder. The name of the files will
be <number>.log, where <number> will be an eight-digit number that is counted up start-
ing from 00000001.log.
The individual log files are only visible on the file level.
easyE4 10/19 MN050009 EN www.eaton.com
Description
Enter the name of the folder that con-
tains the log files here, such as
<MYLOG>. A maximum of 8 char-
acters are allowed, and they must
conform to Microsoft DOS con-
ventions. The default name is
<EASYLOG>.
Ring buffer
Until number of log files is
reached
If the changes at DL_I are greater
than or equal to ΔI, a data set will
be logged.
If this checkbox is enabled, the state
of function block input EN will be
evaluated. If the checkbox is dis-
abled instead, the function block will
be enabled and function block input
EN will not do anything.
Constants can be edited on the
device, as can function block para-
meters when using the EDP pro-
gramming language.
Note
Integer value range for n:
0...1000
Integer value range for n: 0...60
000
Integer value range for ΔI: 0...65
535
This parameter ensures that
when existing programs are
copied, the functionality of the
function blocks that are carried
over will be retained. The para-
meter will be automatically set
to 0 or 1 depending on the func-
tion block.