Siemens 7LF4 531-0 Operating Instructions Manual page 23

Control input with delay time
* Only available in EXPERT mode
DELAY
The output switches on when the control input is activated and remains switched on for the duration of the set delay time after the control input has been
deactivated. Delay time setting range 0h 00min 00s ... 23h 59min 59s. The control input can be subsequently triggered within the delay time.
EXTRA
The control input signal inverts the switching state specified by the program.
At the next valid switching command the time switch resumes switching ON and OFF.
OFF
The control input signal sets the switching state to OFF if the program specifies ON.
Cell disposal
Warning: Elektrical shock - Disconnect all power
from the device before dismantling the module and
replacing the battery.
Always use a Li cell type battery (LiMnO2) CR2477,
3V high temperature type min +85 °C.
Operating principle: Type 1.B. S. T.
IEC/EN 60730-1, IEC/EN 60730-2-7
Operation in a normal environment
Montage: in distribution panel,
Degree of contamination: 2
Switch output, potential-free
Rated impulse voltage: 4 kV
2
1
+
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3ZW1012-7LF45-3AA0