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Siemens 7LF4 521-0 - Operational Modes; Reset Functionality; 1-Hour Test Mode; Data Key Operations

Siemens 7LF4 521-0
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12
2514264121-02
3ZW1012-7LF45-5AA0
English
• Auto - Automatic operation
• Constant ON
• Constant OFF
• Extra
The switch status imposed by the program is inverted (manual override).
With the next effective switch command, the time switch resumes
control of on/off switching, the time switch resumes control of on/off
switching.
Reset
Warning!
The memory will be cleared, and all set data
will be lost.
Hold down for more than 3 seconds and at
the same time press and release .
The language, time, date, summertime/
wintertime and switching times will have to be
re-entered.
Modes
1h-Test
After one hour, the time switch returns automatically to the programmed mode.
When this function is activated, the output is switched on for one hour.
0 6 12 16 24
0 6 12 16 24
Load the programs of the time switch on to a data key (WRITE KEY)
Warning! all programs stored on the data key will be overwritten.
Load the programs from the data key to the time switch (READ KEY)
Warning! all programs programmed in the time switch will be overwritten.
or
or
Data key

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