Programming LOGO!

3.7 Writing and starting the circuit program

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:

Last Sunday in October:

60 Min.

 

 

02:00→03:00

03:00→02:00

 

 

UK

Last Sunday in March:

Last Sunday in October:

60 Min.

 

 

01:00→02:00

02:00→01:00

 

 

US1

First Sunday in April:

Last Sunday in October:

60 Min.

 

 

02:00→03:00

02:00→01:00

 

 

US2

Second Sunday in March:

First Sunday in November:

60 Min.

 

 

02:00→03:00

02:00→01:00

 

 

AUS

Last Sunday in October:

Last Sunday in March:

60 Min.

 

 

02:00→03:00

03:00→02:00

 

 

AUS-

First Sunday in October:

Last Sunday in March:

60 Min.

 

TAS

02:00→03:00

03:00→02:00

 

 

NZ

First Sunday in October:

Third Sunday in March:

60 Min.

 

 

02:00→03:00

03:00→02:00

 

 

..

Customized month and day;

Customized month and day; Time

User-defined

 

 

02:00→02:00 + Time zone

zone difference: 03:00→03:00 -

(resolution in

 

 

difference

Time zone difference

minutes)

 

 

 

 

 

LOGO!

 

 

 

Manual, 04/2011, A5E03556174-01

 

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Siemens 6ED1050-1AA00-0BE8 manual Enabling summertime/wintertime conversion
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