ABB CL Series, Руководство по применению

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Display system settings
354
1SVC 440 795 M1100
Changing between winter/
summer time (DST) The display base modules are provided 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 DST 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.
Select SET CLOCK… from the main menu.
This will open the menu for setting the time.
X
Select the DST SETTING menu option.
h The time change algorithm only applies to the northern
hemisphere.
SET CLOCK
DST SETTING