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Request date / time No<br />
Yes<br />
Request by 0 telegram<br />
1 telegram<br />
Comparison with external<br />
clock<br />
h Download behaviour<br />
Overwrite light scene<br />
names, delete values<br />
Order-No. 7574 00 1X<br />
No<br />
Date & time<br />
Date<br />
Time<br />
No<br />
Yes<br />
Software "...590101"<br />
Parameters<br />
time change" objects transmits a single<br />
read request to the bus (status poll object<br />
flag = yes).<br />
The effect of the "No" setting is that the<br />
panel does not automatically switch from<br />
summer to winter time, for example, because<br />
a higher-level clock has already<br />
transmitted appropriately corrected date<br />
and time information.<br />
The panel can use the "Request date /<br />
time" object to transmit an enquiry telegram<br />
to the bus, in order to synchronise<br />
the internal clock. In the "Yes" setting,<br />
this communication object transmits a<br />
request telegram after each device initialisation<br />
and then regularly once a day<br />
at 4:00 a.m.. The response of the current<br />
time and date is then expected via<br />
the objects "<strong>Master</strong>Date" and "<strong>Master</strong>-<br />
Time".<br />
This parameter defines the telegram polarity<br />
of the telegram which the panel<br />
transmits to the bus as a synchronisation<br />
request. This parameter is only visible<br />
on "Request date / time = Yes".<br />
If a higher-level clock (master clock) regularly<br />
transmits the current time and / or<br />
the current date, the panel can synchronise<br />
the internal clock automatically<br />
using telegrams from the higher-level<br />
clock. In this case, the "<strong>Master</strong>Time and<br />
<strong>Master</strong>Date" objects can be shown according<br />
to the setting of this parameter.<br />
This parameter is only visible on "Request<br />
date / time = No".<br />
After commissioning, the operator can<br />
make various settings directly on the<br />
panel while the system is running.<br />
These also include the names and settings<br />
of light scenes. During first commissioning<br />
of a device with new project<br />
planning data, these parts must be overwritten.<br />
For this, set the parameter<br />
"Overwrite light scene name, clear values"<br />
to "Yes". After first download, the<br />
parameter can be reset to "No" to maintain<br />
any changes made by the user in<br />
subsequent programming operations.<br />
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