384 / 582
BETA Switching
Timers
7
LF4 digital time switches
9/6
Siemens ET B1 · 10/2008
*
You can order this quantity or a multiple thereof.
9
Contacts U
e
I
e
U
c
MW DT Order No.
Price
per PU
PG PU PS*/
P. unit
Weight
per PU
approx.
V AC A AC V AC
Unit(s) Unit(s) kg
Expert digital time switches
•
Week program
•
Year program
•
Exception program (priority program)
•
Astro function
•
With text-assisted programming concept
Languages: German, English, French, Italian,
Dutch, Spanish
•
Simple program creation by means of
PC using the software included
with the 7LF4 940-0 USB adapter
•
Cycle function for channel 1
•
Vacation function
• 1
h-test
•
Input disable over PIN code
•
Operating hours meter, counting range: 65535 h
• 84
programs per channel
•
With control input, (only 1 channel),
delay time 0 min ... 23 h 59 min
•
With Expert data key, Order No. 7LF4 940-2
• 4
channels
4
CO 250
16
120/230 6
}
7
LF4 444-0
027 1
1
0.455
4
CO 250
16
24
AC/DC 6 B
7
LF4 444-2
027 1
1
0.451
Data keys for Profi and Astro digital time switches
•
Programming at the PC
(7
LF4 940-0 USB adapters 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
-
From time switch to time switch
B
7
LF4 940-1
027 1
1
0.003
Data keys for Expert digital time switch
•
Programming at the PC
(7
LF4 940-0 USB adapters 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
-
From time switch to time switch
B
7
LF4 940-2
027 1
1
0.003
USB adapters 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
Order No. 7FL4 940-1
•
Can be connected over USB interface
•
System requirements:
-
Windows Vista, Windows 2000, Windows ME,
Windows XP, or Windows 98 Second Edition
-
USB connection
- 40
MB free disk space
B
7
LF4 940-0
027 1
1
0.125
© Siemens AG 2008