PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
87
The devices are equipped with a range of mechanisms to protect against deliberate and
inadvertent device manipulation.
● Password protection
● Hardware write protection
● Device access control (IP filter) (PAC3220 only)
● Configurable Modbus TCP port (PAC3220 only)
The closed padlock symbol in the display title indicates whether "password protection" or
"hardware write protection" is activated.
Device is protected against write access.
Device is not protected against write access.
Note
It is advisable to activate the manipulation protection mechanisms in the device.
8.1 Password protection
Password protection 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
● Setting and resetting of counts
● Resetting to factory settings
Reading out of measured values and memory content is still possible when password
protection is active.
The password can be activated on the device in the "Advanced" submenu of the "Settings"
menu.
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