Siemens Simatic S7-400

Time switch based on the S7-300/400 CPUs with simple HMI system
including radio-controlled clock connection
Rev. B - final 19.07.2002 26/84
Copyright © Siemens AG 2005 All rights reserved
BID21669756_Zeitschaltuhr_einfach_DOKU_v20_e.doc
3 Basic performance data
The basic data for the S7 blocks are available in the following table:
Table 3-1 Basic data for the function blocks
No. Input
parameter
No. Output
parameter
Cycle
No. Time
intervals
Smallest
settable
interval
Largest
settable
interval
One-day
time
switch
3 2 24h 1 1s 23:59:59
Seven-day
time
switch
3 2
7
days
1 1s
6 days,
23:59:59
One-
month
time
switch
3 2
31
days
1 1s
30 days,
23:59:59
One-year
time
switch
3 2
365
days
1 1s
364 days,
23:59:59
Relative
time
switch
5 2 - 1 1s
23 days,
23:59:59
The basic data for the radio receiver SIPLUS DCF77 are as follows:
Table 3-2 Basic data for the radio receiver
Radio frequency 77,5kHz
Protection class IP65
Dimensions
(W x H x D) 75 x 125*) x 75 mm
*) plus 25mm für screw connection
plus bending radius for cable
Voltage feed 24Vdc (20,4 ... 28,8Vdc)
Current consumption 50mA (typ.)