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The digital input enables the plant to be constantly switched to the special day
program in the 7-day program without intervention on the controller.
Special day
The special day program becomes active if a permanent signal is applied to the
configured input. This program is maintained until there is no more signal. Only
then does the normal 7-day program resume operation.
The digital input enables the plant to be constantly switched to "Holidays"
without intervention on RMS705B.
Holidays
The plant goes to "Holidays" operating mode if a permanent signal is applied to
the configured input. This operating mode is maintained until there is no more
signal. Only then does the normal 7-day program resume operation.
The following priority list applies if a special day
or
holidays are activated
simultaneously via control switches and calendar entry:
Priority
1. Control switch "Special day" (highest priority).
2. Control switch "Holidays".
3. "Special day" entry in the calendar.
4. "Holidays" entry in the calendar (lowest priority).
If other controllers are configured as slaves in the same "Holidays/special day
zone", the digital inputs also act on these controllers.
Note
7.2.6
Troubleshooting
Message "Hol/spec day program failure" is displayed if RMS705B expects a
holidays/special day signal via the bus and the signal is not sent.
The operating modes of the 7-day program are then used without considering the
holidays/special day entries.
Only one master may be set per "Holidays/special day zone". A fault message is
displayed if several controllers are set as the master.
No. Text
Effect
5201
Hol/spec day program failure
Non-urgent message; must not be
acknowledged.
5202
>1 hol/spec day program
Non-urgent message; must be
acknowledged.
Fault messages
When evaluating the priority in the holidays/special day program, only the first two
entries are considered. If you enter more than two overlapping entries, the special
day may no longer take priority over the holidays.
Note
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Siemens
Switching and monitoring device RMS705B
CE1P3124en
Building Technologies
7-day time switch
01.04.2010