Extended device functions
5.2 Enhanced Write Filter (EWF)
SIMATIC IPC627D/827D
52 Operating Instructions, 09/2014, A5E32990859-AB
If you use HORM or compressed NTFS, EWF is indispensable.
Data loss with several write filters
Both EWF and FBWF are preinstalled in the SIMATIC IPC images. If several writer filters
are active on one partition at the same time, you may experience data loss. This may
damage the machine or plant.
Make sure that you only activate one write filter for each partition.
Note
Windows Embedded Standard
The Enhanced Write
Filter is deactivated in the Windows Embedded Standard default state.
Back up your data after installation of the operating system and programs.
Activate the EWF.
The following programs can be used to install, enable or disable the EWF:
● EWFMGR.EXE
● SIMATIC IPC EWF Manager.
The SIMATIC IPC EWF Manager is pre-installed and included on the supplied
"Documentation and Drivers" DVD.
Start the SIMATIC IPC EWF Manager as follows:
● "Start > All Programs >Siemens Automation > SIMATIC > EWF Manager > EWF
Manager"
Configure the SIMATIC IPC EWF Manager as follows:
● "Start > All Programs > Siemens Automation > SIMATIC > EWF Manager > EWF
Settings"
or
● Click the "SIMATIC IPC EWF Manager" icon in the system tray.
The following functions are available:
Write-protect drive C: Power on
Write-protect drive C: disable: the modified data are
ewfmgr c: -commitanddisable
Modified data on drive C: apply
Display information about the EWF drive
To Next Page
Loading...
Need help?
General
