Hour Counter; Random Function - Siemens 7LF4 541-0 Instructivo

Hour counter

Displays the total relay ON time (0 to 65535 h) and the date of the last reset.

Random function

Pincode
Expert mode
Note: Upon switching from ACTIVE to PASSIVE the additional menu items are hidden again and all the Expert mode settings are cancelled.
After re-activating, Expert mode will operate again with the basic settings.
Function to simulate presence.
Function active: the programmed switching cycles are shifted
at random within the range of ± 15 minutes.
PIN CODE active: The menus of the time
switch will not be accessible unless the PIN
CODE has been entered. When the pin code is
active, access to the button and key functions
is disabled 1 minute after the last button
press.
PIN free access can be re-enabled by selecting
PASSIVE or by resetting the device.
Some additional functions are available in Expert mode:
• Power grid synchronisation to improve the accuracy
• Cycle function
• Summer / winter seasonal correction
• Control input Extra and Off
• Local coordinates exact to the minute
3ZW1012-7LF45-1AA0
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