Siemens 7LF4 541-0 Instructivo página 33

Required inputs, depending on the program type and menu options.
Program
Execution Characteristics
type
MON
TO
SUN
INDIVIDUAL
EVERY
YEAR
PROG
ON
PROG
OFF
EXCEP-
TION
MON
TO
SUN
INDIVIDUAL
ONCE
PROG
ON
PROG
OFF
Select the option PROGRAM / WEEK for a program which is to be executed a on specific days of the week and is to be repeated weekly.
Select the option PROGRAM / YEAR for a program which is to be executed each year or only in a specific year. The execution period within the
year can be defined by entering start and end dates.
Select the option PROGRAM / EXCEPTION for a program which is to completely replace existing weekly or annual programs during a specified
period.
Active
Weekday
ON/OFF period
assignme
times START
nts
date
Day,
month,
- - - -
p p
from
0:00:00
hours
Day,
month,
- - - -
p p
from
0:00:00
hours
Day,
month,
p p - - - -
from
ON time
Day,
month,
- - - -
p p
from
ON time
Day,
month,
year
p p
from
0:00:00
hours
Day,
month,
year
p p
from
0:00:00
hours
Day,
month,
year
p p
from
ON time
Day,
month,
year
from
p p
ON time
Active
period Application, objectives, examples
END date
An exception program is to completely replace any existing
Day,
weekly or annual program on each day during a specific
month,
period of each year. Example: the irrigation pump of an
- - - -
to
orchard is to be switched on from 17:00:00 to 18:00:00 on
24:00:00
each day in the period from 20 March ---- to 10 April ----.
hours
Day, An exception program is to completely replace any existing
month, weekly or annual program on certain days during a specific
- - - - period of each year. Example: the irrigation pump of an
to orchard is to be switched on from 17:00:00 to 18:00:00 on
24:00:00 each Monday and Friday in the period from 11 April ---- to
hours 15 May ----.
A channel is to be switched on continuously from the ON
time on the START date to the OFF time on the END date
Day,
every year. This exception program is to completely replace
month,
any existing weekly or annual program for this channel.
- - - -
Example: instead of the normal times for illumination of a
to
public building, the illumination is to be switched on from
OFF time
17:00:00 on the national holiday ---- until 07:00:00 the
next morning 4 October ----.
An output is to be switched off continuously from the ON
time on the START date to the OFF time on the END date
Day,
every year. This exception program is to completely replace
month,
any existing weekly or annual program for this channel.
- - - -
Example: in order to save power, certain equipment in a
to
factory is to be switched off during the Christmas holiday
OFF time
period of each year. i.e. from 18:00:00 on 23 December ----
to 6:00:00 on 27 December ----.
On each day during a specific period of a specified year, an
Day,
exception program is to completely replace any existing
month,
weekly or annual program. Example: during the Christmas
year
holidays of the year 2012, the heating in an apartment is to
to
be switched each day from 7:00:00 to 23:00:00, instead of
24:00:00
in the normal cycle. This exception period is to begin on 24
hours
December 2012 and end on 06 January 2013.
On certain weekdays during a specific period of a specific
Day,
year, an exception program is to completely replace any
month,
existing weekly or annual program. Example: in December
year
2012, the heating system of a department store is to be
from
switched on from 8:00:00 to 18:00:00 each Sunday,
0:00:00
because the store opens on Sundays in the period 4
hours
December 2012 to 18 December 2012.
Day, A channel is to be switched on continuously from the ON
month, time on the START date to the OFF time on the END date of
year a specific year. This exception program is to completely
to replace any existing weekly or annual program for this
OFF time channel. Example: the alarm system of an office building is
to be switched on continuously during the vacation period
19:00:00 on 15 July 2012 to 06:00:00 on 7 August 2012.
Day, A channel is to be switched off continuously from the ON
month, time on the START date to the OFF time on the END date of
year a specific year. This exception program is to completely
replace any existing weekly or annual program for this
to
channel. Example: in 2012, the normal recess gong in a
OFF time
school is to be switched off during the summer holidays
00:00:00 on 28 July 2012 to 24:00:00 on 10 September
2012.
33
2514264125-02
3ZW1012-7LF45-1AA0