Siemens ET 790 Series Technical Information PDF herunterladen (Seite 104)

Devices for Special Applications

Lighting

Light level controls

5/16

Siemens ET G1 · 10/2008

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Selection and ordering data

AP 254/02 AP 254/02 dual sensors

Brightness measurement, temperature measurement, sun

protection control, lighting control

•

For the detection and transmission of brightness and temperature,

temperature measuring range -25 °C ... +55 °C,

brightness measuring range 1 lux ... 100 kLux,

horizontal sensing angle -60° ... +60°, vertical -35° ... +66.5°

• For the control of switch, dimming and shutter/blind actuators,

depending on the ambient luminosity and/or ambient temperature

• One sun protection channel for the automatic control of sun

protection equipment, with

- Starting and stopping of automation over an object or a dusk

threshold

- Up to three brightness thresholds for determining the height

and position of the shutters/blinds or roller shutters

- Optional teach-in of dusk thresholds and brightness

thresholds over a teach-in facility

- Locking object for the temporary deactivation of the sun

protection channel function

• Up to four universal channels for the control of switch, dimming

and shutter/blind actuators, depending on ambient luminosity

and/or temperature. Optionally available with:

- Threshold switches for brightness

- Threshold switches for temperature

- Threshold switches with logical combination of brightness

and temperature

- Optional teach-in of brightness threshold for each universal

channel over an associated teach-in facility

- Deactivation option for each universal channel over an

associated locking object (1 bit)

- Optional second object for transmission of a second telegram

on fulfillment of threshold conditions

• Electronics powered over bus voltage

• Integrated bus coupling units

• Bus connection via bus terminal

• Surface mounting

• Degree of protection, IP54

GE 252 GE 252 indoor brightness sensors

• For measuring indoor brightness

• 2 m connecting lead of sensor element (cannot be extended)

• For surface mounting

• For mounting in intermediate ceilings

• Degree of protection IP20

• Brightness measuring range 200 ... 1900 lux

• Dimensions (H x W x D):

Converter: 42 x 274.5 x 28 mm

Receiver: 25 x 65.7 x 28.5 mm

GE 254 GE 254 indoor brightness sensors

• With constant light level control

• For measuring indoor brightness, taking into account

indirect lighting

• 2 m connecting lead of sensor element

(cannot be extended)

• For surface mounting

• For mounting in intermediate ceilings

• Degree of protection IP20

• Brightness measuring range 0 ... 2000 lux

• Dimensions (H x W x D):

Converter: 42 x 274.5 x 28 mm

Receiver: 25 x 65.7 x 28.5 mm

GE 253 GE 253 outdoor brightness sensors

For indoor mounting

• For measuring outdoor brightness

• 2 m connecting lead of sensor element

(cannot be extended)

• For surface mounting

• For mounting in intermediate ceilings

• Degree of protection IP20

• Brightness measuring range 0 ... 16000 lux

• Dimensions (H x W x D):

Converter: 42 x 274.5 x 28 mm

Receiver: 25 x 65.7 x 28.5 mm

Type Description

Type Version DT Order No. Price

per PU

PU PS*/

P. uni t

PG Weight

per PU

approx.

Unit(s)Unit(s) kg

5WG1 255-4AB11

UP 255/11

UP 255/11 brightness controllers

5WG1 255-4AB11

11 0300.030

5WG1 255-4AB12

AP 255/12

AP 255/12 brightness controllers

5WG1 255-4AB12

11 0300.050

* You can order this quantity or a multiple thereof.

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