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The WPS system is a trap protection system for
automatically operated ("power-operated") windows and
louvres. To avoid risks such as trapping between window
and frame during automatic closure, the WPS system
monitors this area. The WPS system stops the window and
opens it.

Unit characteristics
- satisfies the highest protection class requirements
for power-operated windows based on risk assessment
- main and secondary closing edges are monitored as
well as the drive
- independent of drive and controller manufacturer
- extensive monitoring area, individually adjustable
- includes Service Port interface for parameterisation
of a wide range of setting options
- option to connect 2 motor circuits, each with an 8 A
- option to connect multiple sensors
- object recognition via temperature differences and a
minimum speed (passive infrared sensor: WPS sensor or
- large or small monitoring area using movement
detection by passive infrared portion (passive infrared
sensor: WPS sensor or "Fly")

Rated data

Operating voltage: 20-34.5 VDC, ripple < 20%
Current consumption: = 100 mA at 24 VDC with 1 sensor
Emergency current consumption: approx. 5 mA at 24 VDC
with 1 sensor
Number of motor groups: 2
Switching contacts per group: 8 A
Max. switching power: 2 x 8 A
Switching output of flashing light: 0-27 VDC (depending
on the supply voltage), max. 0.5 A
Number of WPS sensors: max. 5
Floating contacts: 0.5 A, max. 60 VDC
Max. window operating time: approx. 180 s
Reversing time: approx. 3 s
Delay: 0 to approx. 100 s, adjustable
IP protection: IP 40 in accordance with DIN EN 60 529
Degree of protection: class III in accordance with DIN
EN 61140 (DE 0140-1)
Ambient temperature range: + 5 °C to + 50 °C
Dimensions (h x w x d): 220 x 145 x 85 mm
Material: plastic, grey

A system consists of the WPS controller and at least
one WPS sensor (item no. 20102000) or one WPS passive
infrared transmitter "Fly" (item no. 20102052) (please
order separately, see page I36-I37).

The Service Port software, with accompanying
configuration cable, is required for start-up (please
order separately).

Manufacturer: STG-BEIKIRCH

Type: WPS Window Protection System

Date 11/2011 Subject to technical


STG-Beikirch Industrieelektronik +
Sicherheitstechnik GmbH & Co. KG
Trifte 89
32657 Lemgo

Telephone: 0 52 61 / 96 58-0


STG-BEIKIRCH GmbH & Co. KG is one of Europe’s leading manufacturers of ventilation and natural smoke and heat extraction products and system solutions for industrial, commercial and administrative buildings.

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