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Astronomical time switch
®
!
AlphaRex
3
D21 Astro with control input
4 126 54 / 55 / 56 - 047 64 / 65 / 66
Safety notes
This product should be installed in line with installation rules, preferably by a qualified electrician. Incorrect installation and
use can lead to risk of electric shock or fire. Before carrying out the installation read the instructions and take account of
the product’s specific mounting location. Do not open up, dismantle, alter or modify the device except where specifically required to do so by the instructions. All Legrand products must be opened and repaired exclusively by personnel trained
and approved by Legrand. Any unauthorised opening or repair completely cancels all liabilities and the rights to replacement
and guarantees. Use only Legrand brand accessories.
The device contains a LiMnO2 primary cell. When the product reaches the end of its life, this cell must be correctly removed and
disposed of in accordance with national legislation and the requirements of environmental protection.
292568/03
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Technical data
4 126 54 4 126 55 4 126 56
047 64 047 65 047 66
Supply voltage: 230V 50/60Hz 120V 50/60Hz 24V 50/60Hz
Power consumption: ca. 1 W
Relay outputs: 1 changeover contact 16A 250V~µ cos ϕ = 1
Accuracy: ~ 0,1 s /day
single-strand multi-strand
Wire cross-sections: 1,5...4 mm
2
1,5...2,5 mm
2
Programs: 56 programs
Local coordinates:
Control-cable length:
Control signal:
Control-pulse duration:
Delaytime:
Battery reserve:
Storage temperature:
Operating temperature:
Resolution 1°/ 1‘ in EXPERT-Mode
max. 50 m
230V AC/ca. 2mA, 120V AC/ca. 2mA, 24V AC/ca. 2mA
100…200 ms
0 min … 23h 59min 59s
5 years
- 20°C to +60°C
-20°C to +55°C
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General information
• Start-up: after applying the supply voltage, the time switch
starts automatically with the last selected function. The relay
position is set by the current program.
• Battery backup
- Backlighting not active
- Data key READ/WRITE only via the menu
Select menu, back to main menu,
Hold down > 1s = operating display
Confirm selection or load parameters
Select menu options or set paramete
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24
L
Supply voltage
N
Function
Receptacle for data key
max. 16 A
max. 250 V AC
Operating principle: Typ 1.B. S. T.
IEC/EN 60730-1, IEC/EN 60730-2-7
Operation in a normal environment
Montage: in distribution panel,
Degree of contamination: 2
Switch output, potential-free
Rated impulse voltage: 4 kV
L
N
0 6 12 16 24
1
Overview of programmed switching times for the
week. Resolution 0.5h
Switch status
Day, Time, Date
R
4000 W
2000 W
2000 VA
+
2000 W
c
600 W 70µF
+
2000 W
2000 W
+
1000 W
LED
1000 W
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Overview
b
* Only available in EXPERT mode.
A
Set language
c
a
f
g
This symbol indicates that the
selection is active.
d
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2
Set
A
Set time/date
B
Summertime
Summertime: ± 1 hour
Europe: Factory set
SPECIAL: The switchover to/from summertime can be free-
ly programmed by entering a start date and end date and is
then executed each year on the same day of the week,
e.g. Sunday
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C
Astro
Select country.
Select the city
closest to the
planned location
for use.
You can adjust the coordinates more precisely with
LONGITUDE and
LATITUDE.
* Only available in EXPERT mode
Factory setting: 8°E 52°N
The MINUS key is used to adjust the westward longitude
value in the range from 000°EAST/WEST to 180°WEST.
The PLUS key is used to adjust the eastward longitude value
*
in the range from 000°EAST/WEST to 180°EAST.
Use the enclosed time-zone map to set
the correct time zone.
From this map, determine the difference
between local time and UTC (Universal
Time Coordinated) and set this value.
The PLUS key is used to adjust the northward latitude value in
the range from
00°NORTH/SOUTH to 90°NORTH.
The MINUS key is used to adjust the southward latitude value in
the range from 00°NORTH/SOUTH to 90°SOUTH.
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D
1
Offset
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2
Offset
* This function is available in Expert mode.
Setting the correction value (1...30 min.) extends the daily ON period in the
middle of the winter season by up to 60 minutes (OFF up to 30 min. later in
the morning, ON up to 30 min. earlier in the evening).
In the middle of the summer season, the correction setting reduces the daily
ON period by up to 60 minutes (OFF up to 30 min. earlier in the morning,
ON up to 30 min. later in the evening).
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h
2
Offset
24
22
20
18
16
14
12
10
8
6
4
2
0
0 30 60 90 120 150 180 210 240 270 300 330 360
21.03.
Switching-point
Offset
Correction
23.09
d
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2
Offset
t
0h 3 6 9 12 15 18
21 24h
1
0
The time switch switches on at the calculated sunset time and off at
the calculated sunrise time.
By setting an offset, you can shift the switching times by up to ±120
minutes with respect to the calculated sunrise and sunset times.
Example: If you set the offset to +30 minutes, the time switch will
switch 30 minutes after sunrise and 30 minutes after
sunset. If you set the offset to -30 minutes, the time
switch will switch 30 minutes before sunrise and 30
minutes before sunset.
+
max. 120min
+
max. 120min
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21 24h
0
+
+
+12˚
2
Offset
+6˚
0h 3 6 9 12 15 18
-50’
-6˚
-12˚
1
If the offset setting is in degrees the time switch switches on and off at times of equal brightness,
despite the differences in twilight time lengths over the course of the year.
Sunrise and sunset correspond to -50‘ for the centre of the sun (the edge of the sun is visible on the
horizon).
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3
Programming
A program consists of an ON time, an OFF time and the associated ON and OFF days.
If you select „MON TO SUN“ (Monday to Sunday), the days are already assigned and you only need to set
the ON and OFF times.
If you select „INDIVIDUAL“,
you can assign the ON and OFF times
to any desired days.
The programs are linked
to one another by logical OR.
*
*
CHRONO = All switch commands are executed in chronological order in a week
INPUT = Programs are executed in the order in which they are entered
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3
Programming
Programming examples
The timer is to switch on at sunset on each day of the week and switch off at sunrise.
a
Select the appropriate symbol with the PLUS and MINUS keys:
ON at sunset
OFF at sunrise
ON/OFF at programmed time
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3
Programming
Programming examples
b
The timer is to switch on at sunset on each day of the week and switch off at sunrise. In addition, it is to
be switched off each night between 23:00h and 5:00h. This requires the use of two programs.
Program 1: ON at sunset and OFF at 23:00h
Program 2: ON at 5:00h and OFF at sunrise.
Prog 1
Prog 2
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4
Modes
• Auto - Automatic operation
• Constant ON
• Constant OFF
Note: The output is switched on if a control input signal is present.
• Extra
The switch status imposed by the program is inverted (manual override).
With the next effective switch command,
the time switch resumes control of on/off switching.
5
Contrast adjustment
1 h-Test
When this function is activated, the output is switched on
for one hour.
After one hour, the time switch returns automatically to
the programmed mode.
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Data key
or
Load the programs of the time switch on to a data key (WRITE KEY)
Warning! all programs stored on the data key will be overwritten.
or
Load the programs from the data key to the time switch (READ KEY)
Warning! all programs programmed in the time switch will be overwritten.
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Hour counter
Displays the total relay ON time, (0 to 65535 h) and the date of the last reset.
Random function
Function to simulate presence.
Function active: the programmed switching cycles are shifted at random within the range of ± 15 minutes.
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Pincode
PIN CODE active: The menus of the time switch will not be accessible unless the PIN CODE has been
entered. When the pin code is active, access to the button and key functions is disabled 1 minute after the
last button press.
PIN free access can be re-enabled by selecting PASSIVE or by resetting the device.
Example
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Expert mode
Some additional functions are available in Expert mode:
• Power grid synchronisation to improve the accuracy
• Cycle function
• Automatic channel switching
Note: Upon switching from ACTIVE to PASSIVE the additional menu items are hidden again and all the
Expert mode settings are cancelled. After re-activating, Expert mode will operate again with the basic
settings.
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Holiday
After activation the holiday program is executed between 0:00h on the start date and 24:00h on the end
date (Constant ON/OFF). After the holiday program has run once, it must be reactivated.
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Activating and deactivating grid synchronisation
Only available in EXPERT mode.
The default setting is PASSIVE. In order to improve the long-term accuracy, it is advisable to activate synchronisation if the time switch is supplied from a on 50/60 Hz grid with frequency adjustment.
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Cycle function
Only available in EXPERT mode
For cyclical switch commands the switching on time is set by logical “OR“ of programs of all types. A fixed
cycle of ON and OFF time then operates within those limits. The cycle always starts with the ON time.
The cycle duration and the ON time within the cycle are the same length for all switching times. The cycle
duration and the ON time can be set independently in one-second increments. If the switching time is shorter than the cycle duration, the cycle will be shortened accordingly. The ON time will remain unchanged. If
the switching time is actually shorter than the ON time, the ON time will be shortened accordingly.
min max
Period 2s 2h
Pulse 1s 1h 59min 59s
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0:10:00
15:00:00 15:10:00 15:20:00 15:30:00
Program 1
0:10:00
0:10:00
15:32:00
Program n
Relais Chanal 1
0:04:00 0:04:000:04:00
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Control input with delay time
A control signal is superimposed on all program commands (OR circuit). While this control signal is
applied, the output is switched ON.
When the control signal is switched off, the output is switched OFF after a delay time, unless an ON command is applied by a program.
Control input
Switch output
0 ... 23h 59min 59s
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* Only available in EXPERT mode
DELAY
The output switches on when the control input is activated and remains switched on for the duration of the
set delay time after the control input has been deactivated. Delay time setting range 0h 00min 00s … 23h
59min 59s. The control input can be subsequently triggered within the delay time.
EXTRA
The control input signal inverts the switching state specified by the program.
At the next valid switching command the time switch resumes switching On and Off.
OFF
The control input signal sets the switching state to OFF if the program specifies ON.
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Reset
Warning!
The memory will be cleared,
and all set data will be lost.
Hold down
and at the same time press and release
The language, time, date, summertime/
wintertime and switching times will have to
be reentered.
for more than 3 seconds
.
Warning: Elektrical shock - Disconnect all power from the
device before dismantling the module and replacing the
battery.
Always use a Li cell type battery (LiMnO2) CR2477, 3V
high temperature type min +85 °C
+
2
1
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