Siemens SIMATIC ET 200SP - Limit Monitoring; Limit Monitoring Functionality

Functions
8.5 Protective functions for data carriers
CPU 1515SP PC (F)
78 Manual, 05/2017, A5E32701806-AC
8.5.1
Enhanced Write Filter (EWF)
Purpose and function
The Enhanced Write Filter (EWF) allows you to write-protect individual partitions.
EWF is disabled by default on the CPU 1515SP PC (F).
The EWF is activated by means of the pre-installed SIMATIC IPC EWF Manager or the
Windows console application ewfmgr.exe.
SIMATIC IPC EWF Manager
Start the software via
Start > All Programs > Siemens Automation > SIMATIC >
EWF Manager
.
In the status bar, you can use the SIMATIC IPC EWF Manager icon to check whether the
EWF is active.
Table 8- 1 Meaning of the icons
Icons
Meaning
The partition is protected by the EWF.
EWF is disabled for this partition.
The EWF is currently switched off, but is activated after the restart.
The EWF is currently active, but will be deactivated after the restart.
The filter is active. A Commit command is executed before the next reboot.
The filter is currently active, but is deactivated after the restart.
A Commit command will also be executed before the next reboot.
The operating instructions for the SIMATIC Industrial PC: IPC EWF Manager
(http://support.automation.siemens.com/WW/view/en/50867677) is available on the
CPU 1515SP PC (F) under
Start > All Programs > Siemens Automation > Documents >
Manuals.