ABB solutions to manage the lighting circuits, according to a precise

ABB solutions to manage the lighting circuits, according to a precise
ABB solutions to manage
the lighting circuits, according to a precise
value of ambient light.
T Line twilight switches and TWA astronomical twilight switches
Saving and efficient use of energy for public lighting.
To control the automatic activation of
a lighting circuit to variations in natural
light, an environment, and thus to ensure
an efficient use of energy, ABB offers a
full range of performance and twilight
switches predisposed to solve the most
common to more complex application
situations in the control of lighting
circuits.
2 | Crepuscolari Linea T
The constant investment to research and development, make
ABB a point of reference in the production of cutting-edge
products that fully reflect the installation requirements of even
the most demanding customer. ABB’s goal is to provide the
market with innovative products in terms of design, energy
saving, safety, functionality and environmental impact. The
high performance, highest reliability, quiet operation and a
compact design, are among the main characteristics that
distinguish “T Line” twilight switches and “TWA” astronomical
twilight switches.
T Line twilight switches command
lighting circuits according to the
scheduled level of the ambient light
detected by a dedicated sensor.
Since they are energy-efficient, they
are particularly useful in public places
(garden, parking lots, entrances,
courtyards, etc…).
T Line twilight switches range allow to switch ON and switch
OFF lighting devices according to a scheduled level of the
ambient light. They are used in combination with a sensor to
detect if the ambient light is higher or lower than the set level.
A switching delay prevents them from operating unnecessarily
when the light intensity suddenly changes (e.g. lighting,
moving vehicles, etc..).
The control automated of lighting
provides more than 15% of energy
savings
The basic version T1 in one channel, is preset a 10 lux from
factory and is equipped with 2 signaling LEDs that indicate the
set point value and display the status of the contact. The
operating instructions are printed on the side of the product.
The advanced version T1 PLUS, switches feature a setpoint
that can be adjusted for 4 different scale values:
The advanced version T1 PLUS, switches feature a setpoint
that can be adjusted for 4 different scale values:
- 2…40 Lux
- 20…200 Lux
- 200…2000 Lux
- 2000…15000 Lux
This make them ideal for daytime applications where the lux
values to detect is very high. T1 PLUS allows also the possibility
to adjust the relay tripping in a time ranging from 15-90 sec.
for switching ON and 20-120 sec. for switching OFF. They are
equipped with 2 signaling LEDs that indicate the setpoint value
and display the status of the contact.
The TWP version is designed for installation on the pole /
wall, with photocell inputs and integrated cabling including
cable gland seals to ensure a high protection degree. Thanks
also to the high quality, TWP provides excellent resistance
to atmospheric agents and a long service life. TWP is also
equipped internally with a preset sensor of 10 Lux. TWP is the
ideal solution to management the external light systems such
as the public ones, more precisely, in cases where there is a
need of having to control the lighting of public or private roads,
gardens, courtyards to the decline of solar radiation during
precisely the twilight.
Crepuscolari Linea T | 3
High performance and long-term reliability
The twilight astronomical switches TWA-1 and TWA-2,
respectively, in 1 and 2 channels, they automatically control
lighting circuits depending on the time of sunrise and sunset,
greatly increasing energy efficiency.
More than 30% of energy saving, thanks
to the automatic shut-off lighting when
not needed.
The programming is in fact based on a mathematical
algorithm able to calculate the time of the rising and setting
of the sun in a certain location for each day of the year. Once
powered the device, simply insert date, time, geographical
coordinates and time zone because it is ready to work.
The installation of these devices is particularly useful
when using a twilight switch with external probe is not
recommended because it may be subject to malfunctions
caused by air pollution, excessive brightness or vandalism.
TWA-1 and TWA-2 are also indicated for the control of public
lighting, shop windows of shops, neon signs, monuments,
facades and illuminated fountains.
The twilight astronomical switches TWA-1 and TWA-2, can
be programmed directly on your PC using the software
Handytimer. Once created, the program can be transferred
to the programming key and copied into multiple devices,
avoiding any errors in reprogramming.
Minimal configuration:
– Operating system Microsoft Window 95, 98, 2000, NT, Millennium, XP
– Memory 15 Mb of free hard disk space
1a - Connect the USB cable to the programming interface device
and to your PC
1b -Insert CD, install the HANDYTIMER software with easy step by step
instruction
1c -C reate the required program
2a - Insert the DT-VK memory key into the programming interface device
2b -C opy the program on the DT-VK memory key
3 - Insert the DT-VK memory key into TWA-1 or TWA-2 to save
the program
4 | Crepuscolari Linea T
Applications
– p rogram creation (standard or non-standard)
– p rogram reading and writing on electronic keys
Advantages for the user
– o ption to save a copy of the program on an electronic key
– o ption to save a number of non-standard programs on
different keys
– e asy management of non-standard programs (simply insert
and remove the key containing the non-standard program)
Functions
– c reation and editing of programs on PC with user-friendly
display graphics
– p rogram saving
– g raphic printouts of programs, reading and transfer of
programs between PC and electronic keys
Easy-to-read programming display: day of
the week, duration of the ON or OFF periods,
number of steps available, …
Advantages for the installer
– management of the client‘s programs from the office
– traceability of written programs
– c ustomer service (programming can be copied to an
electronic key and sent by courier to the plant for rapid
installation and use)
– o ption to modify the created programs directly on the
installed products
– time-saving for repetitive installations. The program
is written once only and then copied to a number of
astronomical twilight switches
Programming access page
Crepuscolari Linea T | 5
Main advantages
DIN rail version
– Adjustment range from 2 to 200 Lux
– 2 indicator Leds: one for the contact status and the other
for the threshold set value
– E xternal sensor pre-set at 10 Lux
– Switching Delay
– Protection degree of IP65
– W iring diagram lasered on the side of the product
– 1 module width
– Captive clamps screws
– Complies to RoHS directives
in addition to the PLUS version
– Adjustment range from 2 to 15,000 Lux
– Four different scales value for a more precise brightness
regulation value
– Adjustable switching delay
Pole/wall version
– Adjustment range from 2 to 200 Lux
– R emovable base for easy maintenance
– Sensor pre-set at 10 Lux
– Switching delay
– Protection degree of IP65
– W iring and operational diagram laserated on the back of the
product
– Captive clamps screws
– Complies to RoHS directives
Astronomical version
– Astronomical and time programming
– 1 or 2 changeover contacts
– Possibility to create time programming during the period
from sunset to sunrise
– Manual and permanent override, activated with one touch
on the front of the device
– PC software for quick and easy programming
– Memory key for improved program management
– Clear display visualizations of contacts status
– Automatic summer and winter time change
– Unlosable hinged window
– Holiday program
– Keypad security lock with PIN code to prevent interference
by unauthorised persons
– 56 stored memory locations
– O pportunity to correct the astronomical time up to ±120 min
– latitude adjustment range from +90° North to -90° South.
– longitude adjustment range from 180° East to 180° West.
– W iring diagram printed on the side of the product
– Complies to RoHS directives
6 | Crepuscolari Linea T
Technical characteristics
Rated supply voltage
V
Contact type
T1
T1 PLUS
TWA-1
TWA-2
T1 POLE
110 ÷ 230 AC
110 ÷ 230 AC
230 ± 15% AC
230 ± 15% AC
110 ÷ 230 AC
1NO
1NO
1NO/NC
2NO/NC
1NO polarized
Switching capacity
- resistive load cosϕ 1
A
16
16
16
16
16
- inductive load cosϕ 0,6
A
3
3
10
10
3
max 3600 W
- incandescent lamps
cosϕ 1
max 3600 W
max 3600 W
–
–
- fluorescent lamps
cosϕ 0,8
max 3600 W
max 3600 W
–
–
max 3600 W
- fluorescent - duo./electronic lamps
cosϕ 0,9
max 300 W
max 300 W
–
–
max 300 W
Hz
50-60
50-60
50-60
50-60
50-60
s
30 ±10%
reg. 15…90 ±10%
±120 min on
±120 min on
30 ±10%
Rated frequency
Switching delay
- ON
- OFF
Brightness range (with tollerance of ±20%)
s
40 ±10%
reg. 20…120 ±10%
astronomical intervention astronomical intervention
±120 min on
±120 min on
40 ±10%
Lux
2…200
2…40
astronomical intervention astronomical intervention
–
–
2…200
20…200
200…2000
2000…15000
Time reference
Minimum switching time
min.
Max. operations per cycle
Running reserve
years
Operating accuracy
Astronomical time precision
min.
–
–
quartz
quartz
–
–
–
1
1
–
–
–
56
56
–
–
–
5
5
–
–
–
± 1,5 sec/24h
± 1,5 sec/24h
–
–
–
± 10
± 10
–
Protection degree
- twilight switch
IP20
IP20
IP20
IP20
IP65
- Sensor
IP65
IP65
–
–
IP65
Operating temperature
- twilight switch
°C
-25...+55
-25...+55
-10...+55
-10...+55
-40...+70
- Sensor
°C
-40...+70
-40...+70
–
–
-40...+70
Storage temperature
- twilight switch
°C
-40...+70
-40...+70
-20...+60
-20...+60
-50...+80
- Sensor
°C
-50...+80
-50...+80
–
–
-50...+80
Power consumption
VA
4,5
4,5
6
6
4,5
Max. commutable power
W
3500
3500
4000
4000
3500
Terminal size for cable
mm²
2,5
2,5
1...6
1...6
2,5
loss-proof screw
loss-proof screw
loss-proof screw
loss-proof screw
loss-proof screw
terminals Nm
0,5
0,5
1,2
1,2
–
screw sensor Nm
Terminals
Tightening torque:
0,4
0,4
–
–
0,4
Mounting
on DIN rail
on DIN rail
on DIN rail
on DIN rail
pole / wall
Switching status indication/brightness range
red led / green led
red led / green led
display LCD
display LCD
–
Max wiring length
m
100
100
–
–
–
Modules
n°
1
1
2
2
–
EN 60669-1;
EN 60669-1;
EN 60730-1;
EN 60730-1;
EN 60669-1;
EN 60669-2-1;
EN 60669-2-1;
EN 60730-2-7
EN 60730-2-7
EN 60669-2-1;
EN 60730-1
EN 60730-1
Reference standards
EN 60730-1
Crepuscolari Linea T | 7
T1 POLE
-60Hz IP65
40...+70 °C
Operating principle
T1
Set the desired activation threshold (from 2 to 200 Iux), using
the lux control knob. N.B.: the position corresponding (with
approximation) to the 10 lux activation threshold is marked
on the front of the item. lf the GREEN LED is illuminated, this
indicates the activation status of the threshold.
If the RED LED is illuminated, this indicates that the relay
contact is closed (illumination lit up).
Lux
Sec.
10
2
MIN
200
MAX
Lux
Lux
0%
Sec.
100%
MIN
4
40 sec.
t
Lux
Sec.
1
30 sec.
MAX
2
MIN
3
0%
MAX
Lux
0%
100%
1
4
100%
2
3
1
2
3
1
4
2
3
On/Off
1
3 1
3 1
3 1
3 1
3
T1 PLUS
1) Set the desired lux scale (2-40; 20-200; 200-2.000; 2.00015.000), using the lux scale control knob. N.B.: the position
corresponding (with approximation) to the 10 lux activation
threshold is marked on the front of the item. lf the GREEN
LED is illuminated, this indicates the activation status of the
threshold. If the RED LED is illuminated, this indicates that
the relay contact is closed (illumination lit up).
2) Set the desired lux percentage (0%->100%), using the lux
percentage control knob.
3) Set the switching delay (MIn -> MAX), using the switching
delay control knob.
Lux
15...90 sec.
20...120 sec.
t
10
Lux
200
2
On/Off
T1 POLE
230V~ 50-60Hz IP65
16(3)A / 250V~ -40...+70 °C
T1 POLE
230V~ 50-60Hz IP65
16(3)A / 250V~ -40...+70 °C
Regolazione della soglia
8 | Crepuscolari Linea T
Schema di montaggio
1
3 1
3 1
3 1
3 1
3
T1 POLE
230V~ 50-60Hz IP65
16(3)A / 250V~ -40...+70 °C
T1 POLE
1) Switch on the power supply
2) Make the threshold adjustment (from 2 to 200 lux) by
turning the trimmer. The lighting of the red LED represents
the achievement of the threshold set (contact closed) after
having spent a period of approximately 30 seconds. since
the last adjustment.
3) Secure the dome by lightening the captive screw inserted
through the bottom of the base. Tighten the screw until
the dome pressed on the gasket sufficiently to ensure a
hermetic seal.
TWA-1 and TWA-2
TWA-1
TWA-2
Keys
: selection of operating mode.
: mode of running according to the program selected.
: new for programming mode.
: modif to modify an existing program.
: checking of the program.
: modification of time, date and selection of
the winter/summer timechange mode
: astronomical mode.
: indicates that the channel is in astronomical mode.
menu
auto
prog
prog
+
+
C1
enter
C2
menu
2
astro
1
+ and - : navigation or setting of values.
(TWA-1)
C1
, C2
(TWA-2): in auto mode, selection of overrides,
menu
enter
4
3
DT-VK
or waivers.
: to validate flashing information on display.
enter
selezione modalità di funzionamento.
funzionamento secondo programma stabilito.
new per la programmazione.
modif per modificare il programma esistente.
verifica del programma.
modifica dell'ora, della data e selezione della
Programming
example
North
Longitude
modalità di cambiamento orario
estivo/ invernale
astro
: modalità astronomica.
ROMA
:Es:
indica
che il canale si trova in modalit à astronomica.
: to return to the previous step.
Latitude
.
Longitudine
Longitude
-8
THE
BAHAMAS
105
90
-7
-6
GUINEA-BISSAU
TRINIDAD AND
TOBAGO
COLOMBIA
LIN
E ISL
AN
DS
(N.Z.)
F r e n c h
SOUTH
PACIFIC
(FRANCE)
Beaufort
Sea
60
Brasilia
(U.K)
Easter Island
SAO TOME
Annobon
ARCHIPIÉLAGO
JUAN FERNÁNDEZ
-3
(CHILE)
-11
(St. Helena)
ZAMBIA
-6
SOUTH
AFRICA
45
Anchorage
-9
-8
P A C I F I CEdmonton
-7
-4
OCEAN
WEST
30
Los Angeles- 3
-6
+1
0
Subtract time zone number from UDT to obtain local time.
HAWAIIN
NORTH
Mexico
- 10
-8
PACIFIC
GUATEMALA
EL SALVADOR
L
-5
ND
ISLA
S
(French Polynesia)
(N.Z.)
-9 1/2
ATLANTIC
TRINIDAD AND
TOBAGO
GUYANA
COSTA
RICA
COLOMBIA
LINE
ISLA
S
ND
Scale 1:85,000,000 at 0°
Miller Cylindrical Projection
0 1/2
500 1000 Kilometers
-9
SOUTH
0
F r e n c h
500
SIERRA LEONE
LIBERIA
- 10
-9
Easter Island
(CHILE)
SAO TOME
AND PRINCIPE
GABON
-8
-7
WEST
(CHILE)
RWANDA
DEM. REP.
OF THE CONGO
Kinshasa
SOUTH
-3
-4
O C E A N- 1
-3
-2
St. Helena
(U.K.)
SOUTH
UDT
TRISTAN DA CUNHA
CHILE
0
500
- 10
-12
Tokelau
15
TONGA
-11
(U.S.)
(AUSTL.)
+KERMADEC
11
+ 12
30
(N.Z.)
Lord Howe
Island
NAURU
(AUST.)
+ 10 1/2
ISLANDS
+5
(FRANCE)
Cocos
(Keeling) Islands
EAST
TIMOR
Tasmania
(AUSTL.)
+12
Coral
Coral Sea Sea
ILES KERGUELEN
MAURITIUS
+
+3
5
(AUSTL.)
O C E A N+ 6
+7
+9
45
3/4
VANUATU
KIRIBATI
(GILBERT
ISLANDS)
0
K I R I B A T I
RAWAKI
(PHOENIX
ISLANDS)
-12
(N.Z.)
-10
SAMOA
15
FIJI
TONGA
-11
+ 12
- 12
(AUSTL.)
11
-1/2
11
KERMADEC
ISLANDS
Sydney
(N.Z.)
Lord Howe
Island
(AUST.)
+ 10 1/2
Tasman
Sea
Gough Island
French
r
Southern and Antarctic Lands
Tasmania
NEW
ZEALAND
(FRANCE)
PRINCE EDWARD
ISLANDS
(SOUTH AFRICA)
(Islas Malvinas)
(administered by U.K.
claimed by ARGENTINA)
-8
-7
WEST
-6
-5
-4
+5
30
45
CHATHAM
ISLANDS
ILES CROZET
(Fr.
r. S and Ant. Lands)
Tokelau
TUVALU
Norffolk Island
+ 9 1/2
EAST
Perth
15
(FRANCE)
A U S T+ 10R A L I+ 11
A
+8
-10
add 24 hours
New
Caledonia
Alice Springs
+5
Johnston
Atoll
Westward across Date Line
Islands
INDIAN
+4
NEW
ZEALAND
(N.Z.)
r. S and Ant. Lands)
(Fr.
Reunion
(FRANCE)
SOLOMON
ISLANDS
CHATHAM
ISLANDS
+ 61/2
ILES CROZET
(Fr.
r. S and Ant. Lands)
MOZAMBIQUE
Mozambique
Channel
MADAGASCAR
+3
(U.K.)
Tasman
PAPUA
Sea
NEW GUINEA
30
MARSHALL
ISLANDS
Norffolk Island
ISLANDS
Sydney
(N.Z.)
+12 3/4
ILES KERGUELEN
r. S and Ant. Lands)
(Fr.
+5
South Georgia and the
South Sandwich Islands
-3
-2
La
(U.S.)
SAMOA
FIJI
Guam
111/2
45
subtract 24 hours
-10
TUVALU
+ 10
VANUATU
New
Caledonia
+ 9 1/2
Great Australian
DS
Eastward across Date Line
(N.Z.)
Northern
Mariana
Islands
(U.S.)
Coral
Sea
(AUSTL.)
I S L AN
0
K I R I B A T I
RAWAKI
(PHOENIX
ISLANDS)
(St. Helena)
1000 Miles
-9
KIRIBATI
(GILBERT
ISLANDS)
SOLOMON
ISLANDS
Great Australian
Bight
Falkland Islands
(administered by U.K.
claimed by ARGENTINA)
-11
OCEAN
+ 12
NAURU
I N DBightO N E S I A
UT I AN
PACIFIC
)
Perth
AFRICA
Add
time zone number to UDT yo obtain local time
1000 Kilometers
500
M A L A Y S I A
A LE
30
FEDERATED(FRANCE)
STATES OF MICRONESIA
SINGAPORE
Miller Cylindrical Projection
0
MARSHALL
ISLANDS
AN
Coral Sea
Islands
60
- 10
U.S.
PetropavlovskKamchatskiy
(JAP
Philippine
Sea
-9
La
Bering Sea
(U.S.)
A UBRUNEI
S T R A L IPALAU
A
(INDIA)
45
N O R -10
T 15H
PAPUA
NEW GUINEA
PHILIPPINES
(St. Helena)
Scale 1:85,000,000 at 0°
45
Y
South China
Alice Springs
Sea
+ 51/2
NICOBAR
ISLANDS
British Indian
Ocean Territory
MALAWIPRINCE EDWARD
+ 2SWAZILAND
K
Chukchi
Sea
+ 12
add 24 hours
Manila
VIETNAM
CAMBODIA
LESOTHO
Subtract time zone number from UDT to obtain local time.
Buenos Aires
ARGENTINA
A
BOTSWANA
+1
0
SRI
LANKA
+5
COMOROS
ZIMBABWE
NAMIBIA
+6
MALDIVES
+6
French
r
Southern and Antarctic Lands
(St. Helena)
(INDIA)
(INDIA)
Hong Kong S.A.R.
EAST S.A.R
Macau
TIMOR
LAOS
THAILAND
ISLANDS
OCEAN
SOMALIA
Bay of
Bengal
ANDAMAN
I N DLAKSHADWEEP
IAN
Reunion
(FRANCE)
U
RY
DS
Westward across Date Line
++911
Shanghai
I SL A N
S
ND
JAPAN
SOUTH
75
Eastward across Date Line
(U.S.)
Sea of
NORTH
KOREA Guam Japan
(AUSTL.)
+ 61/2
LA
- 11
Wrangel
Island
occupiedsubtract
by the24
SOVIET
in 1945
hours UNION
Johnston
administered by RUSSIA, claimed
by JAPAN
Atoll
FEDERATED
Tokyo
KOREASTATES OF MICRONESIA
+8
Cocos
(Keeling) Islands
+ 5 1/2
IS
+ 10
SINGAPORE
BURMA
+ 6 1/2
R IL
Vladivostok
Northern
Mariana
Islands
I N D O N E S I A
INDIA
SEYCHELLES
Universal DayTime (UDT)
ATLANTIC
of
Sakhalin
+ 10
PALAU
M A L A Y S I A
BHUTAN
BANGLADESH
Kolkata (Calcutta)
Mumbai
(Bombay)
TANZANIA
(administered by U.K.
claimed by ARGENTINA)
URUGUAY
+6
Arabian
Sea
(YEMEN)
KENYA
(SOUTH AFRICA)
South Georgia and the
South Sandwich Islands
O C EOkhotsk
AN
(U.S.)
BRUNEI
Nairobi
St. Helena
+9
N)
(JA
KU
Sea
C H
I N A
NEPAL
(U.K.)
+ 10
PA
Y
PHILIPPINES
BURUNDI
ZAMBIA
K
UT I A N
occupied by the SOVIET UNION in 1945
administered by RUSSIA, claimed by JAPAN
P A C I Sea
FIC
South China
+ 51/2
+ 53/4
British Indian
Ocean Territory
+3
ANGOLA
São Paulo
MAURITIUS
Socotra
ETHIOPIA
Gough Island
-5
-6
ARCHIPIÉLAGO
JUAN FERN ÁNDEZ
YEMEN
ERITREA
SOUTH
AFRICA
KisanganiLESOTHO
UGANDA
REP. OF
THE
CONGO
U
A LE
Magadan
Beijing
Manila
VIETNAM
CAMBODIA
(INDIA)
PAKISTAN
+11
- 12
- 10
U.S.
PetropavlovskKamchatskiy
S
ND
LA
IS
NORTH
BAHRAIN
EMIRATES
SAUDI
SEYCHELLES
ARABIA
OMAN
COMOROS
+3
+4
SWAZILAND
CAMEROON
Annobon
TRISTAN DA CUNHA
(EQ. GUI.)
(St. Helena)
Red
Sea
60
JAPAN
Philippine
Sea
THAILAND
+5
+5
Persian
Gulf
KUWAIT
RY
Macau S.A.R
NICOBAR
ISLANDS
+6
SRI
LANKA
QATAR
UNITED ARAB
CENTRAL
AFRICAN REPUBLIC
Gulf of Guinea
URUGUAY
(Islas Malvinas)
Brasilia
(administered by U.K.
claimed by ARGENTINA)
NOR
D
NOR
TH
NIGERIA
Lagos
SOMALIA
MOZAMBIQUE
SUDAN
ZIMBABWE
Mozambique
DJIBOUTI
Channel
+2
MADAGASCAR
BOTSWANA
Ascension (St. Helena)
(St. Helena)
PARAGUAY
(U.K)
-11
BENIN
GHANA
St. Helena
O C E AEQUATORIAL
N (U.K.)GUINEA
(FRANCE)
(FRANCE)
30
D'IVOIRE
+1
NAMIBIA
Bay of
Bengal
(INDIA)
(INDIA)
+ 41/2
MALDIVES
RIL
KU
Tokyo
Shanghai
LAOS
ISLANDS
AFGHANISTAN
I R A N
+ 31/2
A Yakutsk
SOUTH
KOREA
MONGOLIA
Hong Kong S.A.R.
BURMA
+ 6 1/2
ANDAMAN
LAKSHADWEEP
Tehran
Nairobi
MALAWI
ZAMBIA
CHAD
St. Helena
FASO
A T L A NCÔTE
T I CTOGO
São Paulo
ANGOLA
NIGER
MALI
GUINEA
KYRGYSTAN
TAJIKISTAN
(YEMEN)
JORDAN
-9
East Siberian Sea
Sea of
Japan
NORTH
KOREA
BHUTAN
+ 5 1/2
Arabian
I
Sakhalin
+ 10
Lake Baikal
+8
NEPAL
Kolkata (Calcutta)
Mumbai
(Bombay)
UZBEKISTAN
S
+8
C H I N A
Novosibirsk
INDIA
Sea
SocotraTURKMENISTAN
KENYA
RWANDA
TANZANIA
BRAZIL
Pitcairn Islands
Kisangani
CairoUGANDA
REP. OF
THE
CONGO
DEM. REP.
LIBYA
EGYPT
OF THE CONGO
BURUNDI
S
+9
Vladivostok
+ 53/4
KAZAKHSTAN
+ 6BANGLADESH
OMAN
IRAQ
Kinshasa
Buenos Aires
BOLIVIA
OCEAN
P o l y n e s i a
GABON
Falkland Islands
1000 Miles
LEB.
ISRAEL
CAMEROON
EQUATORIAL GUINEA
(St. Helena)
S O U T0 HBURKINA
-4
Lima
PACIFIC
Mediterranean
AFRICAN REPUBLIC Sea
U
Beijing
+ 5Astana
PAKISTAN
Aral
Sea
+4
ETHIOPIA
SYRIA
CYPRUS
CENTRAL
+ 41/2
1/2
Caspian
GEORGIA
Sea
YEMEN
ERITREA
ARMENIA AZERBAIJAN
.
Istanbul
R
+7
KYRGYSTAN
AFGHANISTAN
Persian
Gulf
QATAR
UNITED ARAB
EMIRATES
TURKEY
SUDAN
DJIBOUTI
+2
MALTA
(EQ. GUI.)
CHILE
PERU
(French Polynesia)
.
Y.R.O.M.
CHAD
GREECE
+ 12
+ 10
Sea
of
Okhotsk
TAJIKISTAN
BAHRAIN
Red
Black Sea
Sea
BULGARIA
+1
NIGERIA
Lagos
TUNISIA
SAO TOME
AND PRINCIPE
ARGENTINA
A
ILES MARQUISES
ALB.
Gulf of Guinea
SENEGAL
THE GAMBIA
-3
Manaus
BOS.& SER. &
HER.
MONT.
A Yakutsk
180
+ 12
Bering Sea
MONGOLIA
UZBEKISTAN
+4 A N
I R
Samara
+3
KUWAIT
165
+ 11
+8
Tehran
SAUDI
ARABIA
+3
NEW
SIBERIAN ISLANDS
+11
+9
I
Novosibirsk
Omsk
IRAQ
150
+ 10
Magadan
+5
UKRAINE
MOLDOVA
S
Lake Baikal
+4
Perm'
TURKMENISTAN
Izhevsk
Cairo
ROMANIA
S
Astana
Caspian
Sea
AZERBAIJAN
EGYPT
HUNG.
CRO.
MAURITANIA
CAPE VERDE
French Guiana
SURINAME
(CHILE)
-5
BENIN
TOGO
CÔTE
Annobon
Brasilia
PARAGUAY
ARCHIPIÉLAGO
JUAN FERNÁNDEZ
(ECUADOR)
SLO.
135
+9
Wrangel
Island
+7
Omsk
CYPRUS
CZ. REP
.
LIBYA
SLOV..
AUS.
SWITZ
ALGERIA
VENEZUELA
ECUADOR
GALAPAGOS
ISLANDS
SYRIA
- 12 -11
LEB.
ISRAEL
JORDAN
U
KAZAKHSTAN
+6
Aral
Sea
+3
- 11
Chukchi
Sea
R
+4
ARMENIA
- 12
A R C T I East
C Siberian
O C Sea
EAN
Perm'
Samara
Moscow
Ascension (St. Helena)
GUINEA-BISSAU
GUYANA
LITH.
+4
Izhevsk
GEORGIA
TURKEY
+ 11
+ 12
Mediterranean
Sea
BELARUS
ITALY
NIGER
Rome
Western
Sahara
BOLIVIA
TRINIDAD AND
TOBAGO
PANAMA
45
(N.Z.)
+12 3/4
.
Istanbul
EST.
RUS.
30
CHATHAM
St.
Petersburg
ISLANDS
Black
Sea
BULGARIA
.
Y.R.O.M.
POLAND
EAST
GERMANY
LIBERIA
MOROCCO
(N.Z.)
UKRAINE
MOLDOVA
NEW
ZEALAND
ROMANIA
BEL.
D'IVOIRE
Casablanca
GHANA
CANARY ISLANDS
BRAZIL
Lima
Caribbean Sea
30
K I R I B A T I
- 10
(FRANCE)
JAMAICA
HONDURAS
(CHILE)
(N.Z.)
SURINAME
ALB.
MALTA
NETH.
LUX.
ALGERIA
BURKINA
FASO
GUINEA
SIERRA LEONE
(PORT.)
T
Manaus
Easter Island
Cook Islands
MADEIRA
ISLANDS
-4
PERU
HAITI DOMINICAN
REPUBLIC
P BELIZE
ACIFIC
O C E A NICARAGUA
N
(U.K)
15
-1
French Guiana
BELARUS
ISLANDS
BOS.& SER. &
HER.
MONT.
TUNISIA
+ 10
MALI
SPAIN0
11
FINLAND
CRO.
120
NEW SIBERIAN ISLANDS
+
8
Laptev Sea
180
+ 12
Kara Sea
NOVAYA
ZEMLYA
+5
Moscow
LITH.
(AUSTL.)
1/2
GREECE
LAT.
Paris
THE GAMBIA
OCEAN
-5
Tasmania
SLO.
ITALY
DENMARK
MAURITANIA
GUINEA-BISSAU
LAT.
Norffolk Island
Island
(AUST.)
Tasman
Sea
SWITZ SWEDENHUNG.
+9
FRANCE
SENEGAL
PORTUGAL
AZORES
EL SALVADOR
L
P o l y n e s i a
Pitcairn Islands
45
(PORT.)
T
IRELAND
MOROCCO
KINGDOM
CANARY ISLANDS
London
(SPAIN)
VENEZUELA
(FRANCE)
- 12
NORTH
ECUADOR
THE
BAHAMAS
(ECUADOR)
CUBA
Mexico
SOUTH
GUATEMALA
F r e n c h
0
+ 8Casablanca
(SPAIN)
- 10
Cook Islands
MADEIRA
ISLANDS
CAPE VERDE
(PORT.)
PANAMA
GALAPAGOS
ISLANDS
Gulf of
Mexico
MEXICO
ILES MARQUISES
HAWAIIN
15
Caribbean Sea
NICARAGUA
COLOMBIA
- 12
- 10
+7
Western
Sahara
Bermuda
(U.K.)
K I R I B A T I
ISLANDS
UNITED
+6
- 31/2
JAMAICA
HONDURAS
LINE
0
U.S..
15
BELIZE
COSTA
RICA
Dallas
OCEAN
Island of
Newfoundland
+5
+3
TONGA
-11
CZ. REP
.
SLOV..
AUS.
Rome
North
Sea
SAMOA
EST.
SPAIN
105
+7
SEVERNAYA
ZEMLYA
Laptev Sea
+3
Tokelau
FIJI
VANUATU
+ 10 1/2
LUX.
NORWAY
(FRANCE)
HAITI DOMINICAN
REPUBLIC
STATES
-6
-7
Los Angeles
OCEAN
30
New York
Denver
UNITED
+4
90
+6
165
+ 11
75
(N.Z.)
POLAND
Lord Howe
Sydney
GERMANY
BEL.
FRANCE
PORTUGAL
-1
75
+5
150
+ 10
OCEAN
NOVAYA
ZEMLYA
-10
Barents
Sea
KERMADEC
NETH.
ILES KERGUELEN
(PORT.)
+3
-12
RUS.
Sea
Paris
St. Pierre
and Miquelon
CUBA
Toronto
Chicago
15
North
135
+9
ARCTIC
RAWAKI
(PHOENIX
ISLANDS)
(FRANCE)
+ 9 1/2
KINGDOM
London
Great Australian
Bight
AZORES
120
+8
0
K I R I B A T I
TUVALU
New
Caledonia
UNITED
AU
SNorwegian
TR
A LDENMARK
IA
Sea
N O R T+ 5H
105
+7
KIRIBATI
(GILBERT
ISLANDS)
FINLAND
St. Petersburg 15
Coral
Sea
(AUSTL.)
r. S and Ant. Lands)
(Fr.
Bermuda
(U.K.)
+ 12
NAURU
Coral Sea
Islands
ILES CROZET
(Fr.
r. S and Ant. Lands)
15
FRANZ JOSEF
LAND
SOLOMON
ISLANDS
SWEDEN
NORWAY
ATLANTIC
-10
MARSHALL
ISLANDS
+11
PAPUA
NEW GUINEA
(NORWAY)
0
+3
(U.S.)
Sea
Jan Mayen
ICELAND
+4
+3
Johnston
Atoll
Barents Sea
add 24 hours
Kara Sea
60
45
+2
Eastward across Date Line
Norwegian
N0 D O N E S I A
EAST
TIMOR
THE
BAHAMAS
Québec
Mexico
MEXICO
+2
-4
Gulf of
ISLANDS
+5
Add time zone number to UDT yo obtain local time
UDT
Winnipeg
U.S..
45
BRUNEI
Greenland
Sea
OCEAN
90
+6
FRANZ JOSEF
LAND
30
Westward across Date Line
Alice Springs
Denmark
Strait
75
+5
La
SEVERNAYA
ZEMLYA
+ 10
FEDERATED STATES OF MICRONESIA
r
Southern and Antarctic Lands
St. Pierre French
(FRANCE)
and Miquelon
PRINCE EDWARD
(FRANCE)
ISLANDS
Sea
30
60
+4
45
+3
45
(U.S.)
(NORWAY)
+ 61/2
Itseqqortoomiit
(Scoresbysund)
DS
+1
Svalbard
T = Latitudine 45° Nord
Sud
Guam
SINGAPORE
ICELAND I
I SL A N
subtract 24 hours
Northern
Mariana
Islands
(U.S.)
PALAU
IRELAND
Perth
(SOUTH AFRICA)
New York
15
N)
PA
(JA
(AUSTL.)
-1
Island of
Newfoundland
-5
-1
Dallas
-2
Y
Philippine
Sea
Cocos
(Keeling) Islands
-4
South Georgia and the
South Sandwich Islands
-7
-5
-6
Chicago
Denver
(U.K.)
INDIAN
- 31/2
Nuuk (Godthåb)
-8
Labrador
C A N
AN ID
A S
U
T E Universal
D
TA
DayTime
(UDT)T E S
(administered by U.K.
claimed by ARGENTINA)
K
M A L A Y S I A
0
Denmark
Strait
British Indian
Ocean Territory
+6
MAURITIUS
Reunion
(FRANCE)
SWAZILAND
Toronto
Hudson
Bay
Falkland Islands
(Islas Malvinas)
(administered by U.K.
claimed by ARGENTINA)
NORTH
U
Sea
(INDIA)
SRI
LANKA
+5
Greenland
-3
LESOTHO
Davis
Strait
Québec
(St. Helena)
RY
Manila
VIETNAM
NICOBAR
ISLANDS
+6
MALDIVES
Davis
Strait
Nuuk (Godthåb)
(DENMARK)
Labrador
Sea
+3
-5
(U.K.)
Iqaluit
(St. Helena)
(Frobisher
Bay)
Gough Island
TRISTAN DA CUNHA
(INDIA)
MOZAMBIQUE
Mozambique
Channel
MADAGASCAR
ZIMBABWE
0
Hong Kong S.A.R.
Macau S.A.R
LAOS
Itseqqortoomiit CAMBODIA Jan Mayen
PHILIPPINES
(INDIA)
South
China
(NORWAY)
(Scoresbysund)
+ 51/2
ISLANDS
SEYCHELLES
BOTSWANA
OCEAN
+9
Greenland
0
Sea
0
THAILAND
NORTH
PACIFIC
ANDAMAN
COMOROS
Bay
-1
-1
UT I A N
30
+2
+1
(NORWAY)
Tokyo
Shanghai
BURMA
+ 6 1/2
Bay of
Bengal
-3
LAKSHADWEEP
MALAWI
15
BHUTAN
BANGLADESH
SOMALIA
Nairobi
TANZANIA
NEPAL
+ 53/4
Kolkata (Calcutta)
KENYA
BURUNDI
30
+ 5 1/2
Mumbai
(DENMARK)
(Bombay)
Arabian
Sea
(YEMEN)
-5
RWANDA
DEM. REP.
OF THE CONGO
+8
+5
JAPAN
SOUTH
KOREA
A LE
DS
AN
ISL
occupied by the SOVIET UNION in 1945
administered by RUSSIA, claimed by JAPAN
Svalbard
90°
- 10
U.S.
PetropavlovskKamchatskiy
15
L
RI
KU
Lo
Sea of
Japan
NORTH
KOREA
C H I N A
PAKISTAN
OMAN
+4
Socotra
Kisangani UGANDA
REP. OF
THE
CONGO
ANGOLA
+ 10
0
Beijing
-2
Greenland
INDIA
QATAR
UNITED ARAB
EMIRATES
ETHIOPIA
Kinshasa
Iqaluit
(Frobisher Bay)
St. Helena
OCEAN
Winnipeg
CHILE
1000 Miles
- 10
GABON
-6
Repulse Bay
URUGUAY
Buenos Aires
ARGENTINA
A
Dawson
Scale 1:85,000,000 at 0°
1000 Kilometers
-4
Baffin
Hudson
Bay
St. Helena
SOUTH
Edmonton
(CHILE)
500
Qaanaaq CAMEROON
(Thule)
Gulf of Guinea
AND PRINCIPE
Repulse Bay
Persian
Gulf
KUWAIT
+2
Sakhalin
0
15
MONGOLIA
-1
KYRGYSTAN
+ 41/2
BAHRAIN
YEMEN
ERITREA
DJIBOUTI
CENTRAL
AFRICAN REPUBLIC
NAMIBIA
Miller Cylindrical Projection
45
-3
SAUDI
ARABIA
+3
Red
Sea
Baffin
Bay
SUDAN
+1
NIGERIA
Lagos
-7
C
A
N A D A
ATLANTIC
São Paulo
PARAGUAY
-9
500
BENIN
TOGO
GHANA
Ascension (St. Helena)
BOLIVIA
OCEAN
U.S.
0
-4
30
-2
60
Bering Sea
Sea
of
Okhotsk
TAJIKISTAN
AFGHANISTAN
I R A N
+ 31/2
IRAQ
JORDAN
-9
Magadan
Tehran
-4
EGYPT
LIBYA
EQUATORIAL GUINEA
-6
30
0
-7
CÔTE
D'IVOIRE
(EQ. GUI.)
Pitcairn Islands
60
60
-6
CHAD
BURKINA
FASO
BRAZIL
Lima
Anchorage
(FRANCE)
45
LEB.
ISRAEL
Qaanaaq
Cairo
(Thule)
UZBEKISTAN
TURKMENISTAN
+ 12
Lo
Sud
Vladivostok
ARMENIA
SYRIA
Mediterranean Sea
NIGER
MALI
0
LIBERIA
French Guiana
SURINAME
Manaus
-4
PERU
P o l y n e s i a
ALGERIA
-5
GUINEA
SIERRA LEONE
VENEZUELA
-5
Dawson
-9
(French Polynesia)
15
TUNISIA
MAURITANIA
THE GAMBIA
ECUADOR
(ECUADOR)
ILES MARQUISES
-9 1/2
75
(SPAIN)
SENEGAL
Beaufort Sea
PANAMA
GALAPAGOS
ISLANDS
- 12
- 10
Casablanca
+ 10
Astana
45 KAZAKHSTAN
+6
-3
Aral
Sea
Caspian
Sea
AZERBAIJAN
GEORGIA
TURKEY
CYPRUS
MOROCCO
Western
Sahara
CAPE VERDE
Caribbean Sea
NICARAGUA
U.S.
75
(PORT.)
T
JAMAICA
HONDURAS
GUYANA
K I R I B A T I
.
Istanbul
MALTA
CANARY ISLANDS
Black Sea
BULGARIA
A Yakutsk
Lake Baikal
Samara
-4
ROMANIA
.
Y.R.O.M.
GREECE
-1
MADEIRA
ISLANDS
HAITI DOMINICAN
REPUBLIC
BELIZE
GUATEMALA
COSTA
RICA
Cook Islands
HUNG.
BOS.& SER. &
HER.
MONT.
ALB.
60
UKRAINE
MOLDOVA
-5
CRO.
Rome
CUBA
Mexico
OCEAN
EL SALVADOR
L
0
SLO.
ITALY
OCEAN
120
Gulf of
Mexico
MEXICO
CZ. REP
.
SLOV..
AUS.
SWITZ
T = Longitudine 60° Est
+11
+9
I
NORTH
75
ARCTIC
- 10
Bermuda
(U.K.)
135
-9
U.S..
75
LUX.
FRANCE
POLAND
GERMANY
BEL.
Paris
-6
SPAIN
S
Novosibirsk
+4
BELARUS
NETH.
90
(PORT.)
S
+8
Omsk
International Date Line
150
- 10
-11
ISLANDS
KINGDOM
London
PORTUGAL
AZORES
U
+7
Perm'
SOUTH
165
HAWAIIN
15
105
-7
ATLANTIC
-5
Dallas
Los Angeles
OCEAN
STATES
-6
-7
120
-8
(FRANCE)
O C E A NN O R T H
+4
Izhevsk
Moscow
T = Latitude 45° North
NORTH
UNITED
IRELAND
- 31/2
St. Pierre
and Miquelon
+3
LAT.
LITH.
RUS.
South
International Date Line
-9
New York
+5
St. Petersburg
EST.
Island of
Newfoundland
135
Québec
Toronto
Chicago
PACIFIC
30
150
- 10
ARCTIC
R
FINLAND
DENMARK
90°
SOUTH
SWEDEN
North
Sea
UNITED
Chukchi
Sea
International Date Line
0
ICELAND
Wrangel
Island
International Date Line
Denmark
Strait
Nuuk (Godthåb)
-4
Winnipeg
Denver
East Siberian Sea
South
NORWAY
Programming parameters
-11
75
NOVAYA
ZEMLYA
(NORWAY)
Labrador
Sea
- 11
T = Longitude 60° East
ND
S
Davis
Strait
Iqaluit
(Frobisher Bay)
- 12
+ 12
Equatore
LA
-6
EST
+ 11
T
OCEAN
Jan Mayen
Hudson
Bay
C A N A D A
Edmonton
180
NEW SIBERIAN ISLANDS
Sea
Dawson
Anchorage
+3
+ 10
ARCTIC
Norwegian
Repulse Bay
U.S.
60
+9
165
IS
Itseqqortoomiit
(Scoresbysund)
+8
150
Kara Sea
Laptev Sea
-1
-3
0°
+7
+6
SEVERNAYA
ZEMLYA
Barents Sea
(DENMARK)
-5
165
+5
T EAST
135
U
Time = +1 ora
Baffin
Bay
-8
+4
FRANZ JOSEF
LAND
Greenland
Sea
0
Greenland
0°
120
D
-4
-7
NORTH
+3
(NORWAY)
Qaanaaq
(Thule)
-6
Beaufort Sea
45
+2
Svalbard
+1
75
-9
+1
105
ND
0
90
LA
-1
75
IS
-2
60
U
-3
45
NORTH
-4
30
International Date Line
-5
15
0
15
International Date Line
-6
30
SOUTH
-7
45
Equator
0°
SU
UDT
60
GR
-8
OCEAN
Lo
Universal Date
Time Date
= +1 hour
Universal
+1
75
0°
180°
S
-9
90
180°
ND
- 10
ARCTIC
UDT
105
T = Latitude 45° North
LA
120
IS
135
90°ST
WE
South
OVEST
TH
-11
150
T = Longitude 60° East
T
SOU
Latitudine 41° NORD
La
165
NORTH
South
T
TH
Latitude
41°
La alla
: per ritornare
fase precedente.
Equator
0°
SOU
+1
no di Greenwic
ridia
h
Me EENWICH MERIDIAN
180°
T EAST
Nord
90°
90°
T
Universal Date 12° EST
Lo : Longitudine
enter
per convalidare
le hour
informazioni lampeggianti.
Time = +1
UDT
Nord
North
S
Es: ROMA
Es: ROMA
+e: navigazione o regolazione dei valori.
12° EAST
Lo - Longitude
(TWA-1)
WEST
C1
, C2
(TWA-2)
: in modalità auto, selezione delle
41° NORTH
La Latitude
0°
impostazioni
o delle deroghe. 12° EAST
Lo Longitude
LatitudineNorth
Latitude
North
90°
NOR
TH
WICH MERIDIA
N
EEN
GR
:
:
:
:
:
:
U
Tasti
menu
auto
prog
prog
Universal DayTime (UDT)
-1
Subtract time zone number from UDT to obtain local time.
0
+1
UDT
+2
+3
Add time zone number to UDT yo obtain local time
+4
+5
+6
+7
+8
+9
+ 10
+ 11
+ 12
- 12
-11
EAST
Crepuscolari Linea T | 9
Twilight switches T1
Operating principle
The diagram shows an example of the installation of the
T1 twilight switch in the lighting system of a commercial
establishment. When the external light falls below a certain
level (e.g. during the evening when the shop is closed), the
device switches on the window lights and the shop sign.
The lights can be switched off late evening to reduce power
consumption thanks to the AT1 switch timer.
Installation example
As shown in the diagrams, one of the possible applications
is the installation of a T1 twilight switch in the lighting system
of a commercial establishment. When the external light falls
below a certain level (e.g. when the shop is closed), the
twilight switch switches on the window lights and the sign.
The lights can be switched off late evening to reduce power
consumption thanks to the AT1 switch timer which keeps the
circuit open until the next morning. When the external light
returns to above the threshold value, the twilight switch relay
returns to the open position.
AUXILIARIES
L1
N
external sensor
T1
AT1
L1
3
1
AT1
Application environments
The installation of the T1 twilight switch with an AT
electromechanical timer is particularly useful in settings and
situations where energy saving is a prime concern (shops,
office corridors and public passageways, car parks, parks,
etc.).
4
AUXILIARIES
T1
3
L
T1
N
N
LIGHTING
10 | Crepuscolari Linea T
Crepuscolari Linea T | 11
Twilight switches T1 PLUS
Operating principle
The diagram shows an example of the installation of the T1
PLUS twilight switch in the lighting system of a greenhouse.
When the external light exceeds a certain level (e.g. during
the warmest hours of the day, i.e. early afternoon), the device
activates the shading system, e.g. roller blinds. Thanks to the
option to advance or delay the activation-deactivation time,
the T1 PLUS can also maintain the roller blinds closed in the
case of passing clouds.
AUXILIARIES
N
external sensor
Installation example
As shown in the diagrams, one of the possible options is to
install a T1 PLUS twilight switch in the lighting system of a
greenhouse. When the external light exceeds a certain level
(for example during peak hours in the early afternoon) the
twilight switch activates the roller blinds, protecting the plants
in the greenhouse against burning by the strong sunlight.
When the external light returns to below the threshold value,
the twilight switch relay opens the blinds to allow the sunlight
to pass through.
Application environments
The installation of the T1 PLUS twilight switch is particularly
useful in settings and situations where lighting control is
required for locations where there are consistently high
brightness values, thus guaranteeing substantial savings in
energy consumption (greenhouses, arcades, photovoltaic
plants, etc.).
L1
T1 PLUS
L1
1
T1 PLUS
3
AUXILIARIES
L
T1 PLUS
N
N
LIGHTING
12 | Crepuscolari Linea T
Crepuscolari Linea T | 13
Twilight switches T1 POLE
Operating principle
The diagram shows an example of the installation of the
pole mounted T1 POLE twilight switch for motorway lighting
systems.
When the external light falls below a certain level, 10 lux for
example, the device switches on the lights present in tunnels,
service areas, near to junctions, etc. The lights are then
switched off by the T1 POLE in the morning when the 10 lux
value is exceeded.
AUXILIARIES
L1
N
AUXILIA
T1 POLE
Installation example
As shown in the diagrams, one of the possible applications is
the installation of a T1 POLE twilight switch in the motorway
lighting system. When the external light falls below a certain
level (for example at sunset), the pole-mounted twilight
L1 provide
N
switch switches on theAUXILIARIES
lights to
the correct lighting
for the setting. At sunrise, the external brightness exceeds
the threshold value and the twilight relay returns to the open
position.
ROW OF
STREETLIGHTS
L1
L
N
AUXILIARIES
Application environments
The installation of the T1 POLE twilight switch is particularly
suitable for controlling public street lighting, thanks to the fact
that they can be installed on poles, lamp standards, etc.
ROW OF
STREETLIGHTS
STREETLIGHT 1 STREETLIGHT 2 STREETLIGHT 3 STREETLIGHT 4
L
T1 POLE
N
N
LIGHTING
14 | Crepuscolari Linea T
Crepuscolari Linea T | 15
Astronomical twilight switches TWA
Operating principle
The installation of an astronomical twilight switch in a system
is a particularly useful addition for settings and situations in
which light sources, or other environmental conditions, can
cause changes in the brightness level and falsify the reading.
In these cases, the TWA-1 and TWA-2 astronomical switches
can control the lighting system according to the sunrise and
sunset times of the geographic zone in which the system is
installed.
AUXILIARIES
L1
N
TWA-1
Example of installation
Atmospheric pollution is one of the causes of a reductions in
the level of environmental light. Dust deposits on the external
probe of a traditional twilight switch can compromise the
operation of the device, preventing it from automatically
switching off the controlled lighting system in the presence of
external light. As shown in the example, this problem can be
resolved by installing a TWA-1 astronomical twilight switch
that controls the lighting system according to the level of light
calculated from the preset longitude and latitude parameters.
L1
6
TWA-1
8
AUXILIARIES
Application environments
The installation of the TWA-1 and TWA-2 astronomical
twilight switches is particularly suitable for applications in
which the operation of a twilight switch with external probe
can be falsified or compromised by external agents (such as
environmental pollution, overexposure to light, vandalism, etc.).
3
TWA-1
1
N
LIGHTING
16 | Crepuscolari Linea T
Crepuscolari Linea T | 17
Order codes
and wiring diagrams
Order codes
Type of
contact
Version
Description
type
ABB code
Bbn 8012542
EAN
Piece
weight kg
Nr of
Pack.
modules
1 NO
Twilight switch, 1 CH
T1
2CSM295563R1341
955634
0,076
1
1
1 NO
Advanced twilight switch, 1 CH
T1 PLUS
2CSM295793R1341
957935
0,078
1
1
1 NO
Pole mounting twilight switch, 1 CH
T1 POLE
2CSM295753R1341
957539
0,140
–
1
-
External sensor
LS-D
2CSM295723R1341
957232
0,069
–
1
1 NO/NC
Astronomical twilight switch, 1 CH
TWA-1
2CSM204365R1341
043652
0,160
2
1
2 NO/NC
Astronomical twilight switch, 2 CH
TWA-2
2CSM204375R1341
043751
0,160
2
1
Wiring diagrams
T1, T1 PLUS
T1 POLE
230 V~ -30T60
16 (3)A / 250 V~
1
3
5
7
L N
L
N
TWA-1
TWA-2
L
N
L
N
L N
1 3 5 7
1 3 5 7
2 4 6 8
2 4 6 8
Max 100 m
L
L
230 V~
N
N
L
230 V~
N
230 V~
Overall dimensions
T1
T1 PLUS
65
17.5
17.5
1
3
1
3
5
7
5
7
86
L
TWA-1, TWA-2
65
35.8
1
45
N
3
5
43.8
7
45
L
N
85
2
4
6
45
8
60
LS-D
T1 POLE
70
35
70
35
76
117
18 | Crepuscolari Linea T
FAQ and problem solving
Why factory calibrated to 10 Lux?
Public lighting plays a crucial role in the social life and
represents a mandatory investment for local administrations,
without any direct economic return. They must, therefore, try
to optimize such investments and how they are managed,
while ensuring an efficient service. Because they are factory
calibrated to 10 Lux, the standard value for street lighting,
ABB twilight sensors are immediately ready for application in
public lighting and do not require any adjustment.
Once the twilight sensors have been installed, do they
require any special maintenance over time?
Yes, at least once a year you need check the operating state
of the circuit-breakers and clean the sensors.
Can the twilight sensor be installed near the lights that it
controls? When the lamp switches on in the evening, with
the light on will the twilight sensor switch it off again?
It is always better to avoid the problem by distancing the
twilight sensor from the lights, thus ensuring that the twilight
sensor will be located in a shadow cone and avoiding the
lamps being activated by mistake.
Can more than one sensor be connected with models T1
and T1 PLUS?
No, one sensor must always be used for each device.
Can different types of sensors be connected with models
T1 and T1 PLUS?
No, the only sensor allowed is the LS-D type.
When must an astronomical time switch be used?
When the length of the connection between the device
and sensor exceeds 100 m, or when the connection is too
complicated (e.g., switchboard installed in a cellar).
When the sensor cannot be installed away from light sources
(amusement parks, camp sites, etc.). When external agents
prevent the sensor from functioning correctly, e.g. pollution or
vandalism.
Crepuscolari Linea T | 19
ABB SACE
A division of ABB S.p.A.
Line Protection Devices
Viale dell’Industria, 18
20010 Vittuone (MI) - Italy
Tel.: +39 02 9034 1
Fax: +39 02 9034 7609
www.abb.com
The data and illustrations are not binding. We reserve the right to
modify the contents of this document on the basis of technical
development of the products,without prior notice.
Copyright 2014 ABB. All rights reserved
2CSC441022B0201 - 02/2014 - 2.000 CAL
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