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Siemens SENTRON PAC3120 - Configuring Modbus TCP Port

Siemens SENTRON PAC3120
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Security features
8.2 Hardware write protection
PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
89
8.2 Hardware write protection
The hardware write protection prevents write access to the device, both via the
communication interface and on the display.
In order to gain write access, the hardware write protection must be deactivated directly on
the device.
The hardware write protection cannot be deactivated via a communication interface.
The hardware write protection can be activated on the device and parameterized in detail in
the
"Advanced" submenu of the "Settings" menu. A list of the various setting options can be
found in chapter
Write protection (Page 84).
Note
The user must adjust the position of the write protection slider on the rear panel of the device
in order to activate
or deactivate the hardware write protection function (see chapter Write
protection
(Page 84)).
Note
It is advisable to activate the hardware write protection on the device.

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