Technical Manual
–
Central Operation Unit Smart
MDT technologies GmbH •
51766 Engelskirchen • Papiermühle 1
Phone: +49-2263-
880 • Fax: +49-2263-4588 • [email protected] • www.mdt.de
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The following table shows the possible settings:
ETS-Text
Dynamic range
[Default value]
Comment
System time mode
▪
Slave
▪
Master
Slave:
The device receives the
time from another device.
Master:
The device sends the
time to the bus.
Request of time/date after
reset
▪
no
▪
yes
Setting whether the time
should be queried after a
restart
Send system time cyclically
Never, 1 min
–
24 h
[1h]
Setting the transmission
interval for cyclical sending
Automatic activation of
summertime
▪
inactive
▪
active
Setting whether the device
automatically switches
between summer/winter time
Location determination by
▪
Coordinates
▪
Place
Defines how the location of the
device should be determined
If the location is
determined by coordinates
Setting of longitude and latitude
If the location is
determined by place
Setting the country and town
Time difference from
Universal time
(UTC+…)
Setting the time zone
Setting the time zone for
calculating the time
Table 12: Settings - Time and Astro settings
The table shows the date/time objects:
Number
Name
Length
Usage
125
Time
3 Byte
Sending/receiving time
126
Date
3 Byte
Sending/receiving date
127
Time/Date
8 Byte
Sending/receiving time and date
Table 13: Communication objects - Time/Date
4.2.1 Advanced Sunrise/Sunset settings
In certain cases it is necessary to adjust the sunrise and sunset, e.g. in a very mountainous region
where the sun rises and disappears behind the mountain. For this purpose the sunrise/sunset and
the dawn/dusk can be specifically adjusted with the following parameters:
Figure 5: Advanced sunrise/sunset settings