Siemens SENTRON PAC4220 - 7.2.3 Protection Against Unauthorized Operation

The closed padlock symbol in the display title indicates whether "password protection" or
"hardw
are write protection" is activated.
•
: Device is protected against write access.
• : Device is not protected against write access.
Note
Siemens recommends activ
ating the tamper protection mechanisms in the device.
7.2.3 Protection against unauthorized operation
Pro
tection against unauthorized operation prevents write access via the device interface and the
communication interfaces, in particular:
• Changing of device settings, including password
• Changing and deletion of values/parameters
• Deletion of data and memory content
• Resetting to factory settings
Reading out of measured values and memory content is still possible when password
protection is active.
6FKUHLE]XJULII
/HVH]XJULII
6FKUHLE]XJULII
/HVH]XJULII
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As soon as the password has been entered in the device once, the password is not requested
again as long as t
he "SETTINGS" menu level remains active.
Password policy: four-digit number from 0000 to 9999 (default password: 0000)
If no user-speci󹪝c password has been assigned, the default password must be entered when
protection against unauthorized operation is switched on. The currently valid password
Parameterizing
7.2Protection against tampering
PAC4220
Equipment Manual, L1V30827278B-01 89