User's Manual

Programming LOGO!
3.7 Writing and starting the circuit program
LOGO!
Manual, 04/2011, A5E03556174-01
113
Enabling summertime/wintertime conversion
To enable the summertime/winter time conversion and set parameters, follow these steps:
1. Move the '>' cursor to 'On': Press
or
2. Confirm 'On': Press OK
The display shows:
(8
3. Select the desired conversion: Press
or
What is shown on the display ?:
● 'EU' represents the start and end of European summertime.
● 'UK' represents the start and end of summertime in the United Kingdom.
● 'US1' represents the start and end of daylight saving time (summertime) in the United
States prior to 2007.
● 'US2' represents the start and end of daylight saving time (summertime) in the United
States in 2007 and later years.
● 'AUS' represents the start and end of Australian summertime.
● 'AUS-TAS' represents the start and end of Australian/ Tasmanian summertime.
● 'NZ' represents the start and end of New Zealand summertime.
● . . : Here you can enter any month, day and time zone difference.
The table below lists the preset conversions:
Start of summertime End of summertime Time zone
difference Δ
EU Last Sunday in March:
02:00→03:00
Last Sunday in October:
03:00→02:00
60 Min.
UK Last Sunday in March:
01:00→02:00
Last Sunday in October:
02:00→01:00
60 Min.
US1 First Sunday in April:
02:00→03:00
Last Sunday in October:
02:00→01:00
60 Min.
US2 Second Sunday in March:
02:00→03:00
First Sunday in November:
02:00→01:00
60 Min.
AUS Last Sunday in October:
02:00→03:00
Last Sunday in March:
03:00→02:00
60 Min.
AUS-
TAS
First Sunday in October:
02:00→03:00
Last Sunday in March:
03:00→02:00
60 Min.
NZ First Sunday in October:
02:00→03:00
Third Sunday in March:
03:00→02:00
60 Min.
.. Customized month and day;
02:00→02:00 + Time zone
difference
Customized month and day; Time
zone difference: 03:00→03:00 -
Time zone difference
User-defined
(resolution in
minutes)