5 Function blocks
5.17 HY - Year Time Switch
Control Relay easy800 11/11 MN04902001Z-EN www.eaton.com 205
Example
Month/Day/Year: 11/11/07
Function of the function block
The year time switch can switch ranges, individual days, months, years or
combinations of all three.
Years
Switching at 00:00:
• On on 01.01.2008 and
• Off on 01.01.2013.
Months
Switching at 00:00:
• On on 01 April every year.
• Off on 01 November every year.
Days
Switching at 00:00:
• On on the 2nd day of every month.
• On on the 26th day of every month.
Entry rules
The contact switches (ON to OFF)
• in the years.
• in the defined months.
• on the entered days.
Parameters
Function
>ON On date
>OFF
Off date
CAUTION
The year time switch only operates correctly if you observe the
following rules:
• The On year must be before the Off year,
• ON and OFF times must be specified the same in pairs,
for example:
• ON = Day/--/--, OFF = Day/--/--
• ON = --/--/Year, OFF = --/--/Year,
• ON = --/Month/Year, OFF = --/Month/Year
• ON = Day/Month/Year, OFF = Day/Month/Year
• Normally, the ON day should be before the OFF day;
otherwise, the exception described on Example 8
(￫ section , “Example 8: Selecting a time range of two
days spanning the turn of the year (2-channel)”, page 209)
on applies.
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