Siemens SIMATIC ET 200SP User Manual

Functions
8.5 Protective functions for data carriers
CPU 1515SP PC (F)
Manual, 05/2017, A5E32701806-AC
79
Console application ewfmgr.exe
The application is called via the Windows command line (Command Prompt).
The following functions are available, among others, for setting, switching on and switching
off the EWF:
Table 8- 2 Enhanced Write Filter functions
Function
Command
Write-protect drive C: Switching on
ewfmgr c: -enable
Write-protect drive C: disable
(modified data is accepted)
ewfmgr c: -commitanddisable
Modified files on drive C: Accept
ewfmgr c: -commit
Display information about the EWF drive
ewfmgr c:
Display help
ewfmgr /h
Note
The EWF commands for write protection become effective only after a restart.
Note
The EWF command ewfmgr c: -commitanddisable
must not be used with the option -
Live
.

Siemens SIMATIC ET 200SP Specifications

General

System Type	Distributed I/O System
Mounting	DIN Rail
Communication Protocol	PROFINET, PROFIBUS
IP Rating	IP20
Category	I/O Systems
Supply Voltage	24 V DC
Modularity	Yes
Hot Swapping	Yes
Storage Temperature	-40°C to +70°C
Digital Inputs	Yes
Digital Outputs	Yes
Analog Inputs	Yes
Analog Outputs	Yes
Communication Interface	PROFINET, PROFIBUS
Number of Modules	Up to 64
Relative Humidity	5 to 95% (non-condensing)
Operating Temperature	-25°C to +60°C