Rockwell-automation 1760-xxxx Pico GFX-70 Controllers User Manual Manual do Utilizador descarregar pdf (Página 340)

Publication 1760-UM002B-EN-P - March 2005

7-12 Pico GFX-70 Settings

Changing Between

Winter/Summer time (DST)

The devices are fitted with a real-time clock. The clock has various possibilities

for changing the DST setting. These are subject to different legal requirements

in the EU, GB and USA.

• NONE: no daylight saving time setting

• MANUAL: a user-defined date for the DST change

• EU: date defined by the European Union; Commences: last Sunday in

March; Ends: last Sunday in October

• GB: date defined in Great Britain; Commences: last Sunday in March;

Ends: fourth Sunday in October

• US: date defined in the United States of America: Commences: first

Sunday in April; Ends: last Sunday in October

The following applies to all DST variants:

• Winter time h Summer time: On the day of conversion, the clock moves

forward one hour at 2:00 to 3:00

• Summer time h Winter time: On the day of conversion, the clock moves

back one hour at 3:00 to 2:00.

1. Select SET CLOCK… from the main menu.

This will open the menu for setting the time.

2. Select the DST SETTING menu option.

IMPORTANT

The time change algorithm only applies to the northern

hemisphere.

SET CLOCK

DST SETTING

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