Siemens SIMATIC IPC427E - Page 54

Extended device functions
5.3 Enhanced Write Filter (EWF)
SIMATIC IPC427E
54 Operating Instructions, 09/2017, A5E37454814-AB
Setting 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 preinstalled and included on the supplied USB stick
(DocuAndDrivers\Drivers).
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:
Function
Command
Write-protect drive C: Power on
ewfmgr c: -enable
Write-protect drive C: disable: the modified data are
applied
ewfmgr c: -commitanddisable
Modified data on drive C: apply
ewfmgr c: -commit
Display information about the EWF drive
ewfmgr c:
Display help
ewfmgr /h
Note
The EWF commands affecting the write protection do not become active until after the next
booting process.
Note
The EWF command ewfmgr c:
-
commitanddisable
may not be used with the option -
live
.