Siemens 7LF4941-1 Data Key Profi and Astro Time Switch

Digital Time Switches 7LF4 series with text-assisted programming directly on the device.

USB adapter and software for Profi, Astro and Expert digital time switches
For the reading and writing of data keys at the PC
With programming software
With one data key for Profi / Astro 7LF4941-1
Can be connected over USB interface
System requirements: Windows 7, Windows Vista, Windows 2000, Windows ME, Windows XP or Windows 98 Second Edition
USB connection
40 MB free disk space

Data keys for Profi and Astro digital time switches
Programming at the PC (7LF4941-0 USB adapter and software required)
Read-in of programs to the time switch
Writing of programs from the time switch
Transfer of programs
From PC to time switch and vice versa