LOGO! functions

4.4 Special functions list - SF

4.4.13Astronomical clock (0BA7 only)

Short description

The astronomical clock function is used to set an output high when the current time of your LOGO! Base Module is between the time of sunrise (TR) and the time of sunset (TS). LOGO! automatically calculates these times based on the geographical location, the settings for automatic summertime/wintertime conversion, and the current time of the module.

Symbol in LOGO!

Wiring

Description

 

 

 

 

 

Parameter

You specify the longitude, altitude and time zone:

 

 

 

 

 

3DU

 

 

 

4

 

Longitude:

 

$&

 

 

Direction settings:

 

 

 

 

 

 

 

 

 

 

 

EAST or WEST

 

 

 

 

 

 

 

 

 

 

 

 

Range of values:

 

 

 

 

 

 

0 to 180° (degrees)

 

 

 

 

 

 

0 to 59' (minutes)

 

 

 

 

 

 

0 to 59" (seconds)

 

 

 

 

 

 

Latitude:

 

 

 

 

 

 

Direction settings:

 

 

 

 

 

 

NORTH or SOUTH

 

 

 

 

 

 

Range of values:

 

 

 

 

 

 

0 to 90° (degrees)

 

 

 

 

 

 

0 to 59' (minutes)

 

 

 

 

 

 

0 to 59" (seconds)

 

 

 

 

 

 

Zone:

 

 

 

 

 

 

Range of values:

 

 

 

 

 

 

-11 to 12

 

 

 

 

 

Output Q

Q is set to "1" when the current time of your LOGO!

 

 

 

 

 

 

Base Module is between the sunrise time (TR) and

 

 

 

 

 

 

the sunset time (TS).

Note

From LOGO!Soft Comfort V7.0, you can choose from several pre-defined time zone locations. If you select one of these locations, LOGO!Soft Comfort uses the latitude, longitude, and the time zone of your selection. This location pre-configuration capability is only possible from LOGO!Soft Comfort.

LOGO!

 

Manual, 04/2011, A5E03556174-01

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Siemens 6ED1050-1AA00-0BE8 manual Astronomical clock 0BA7 only, Longitude, Latitude, Zone
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