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We are a developer and manufacturer of advanced networking and communications technology. Our innovative networking, storage, security and home automation products are designed in our own laboratories and distributed in many European countries.

Security And Monitoring Sensors

The sensors are the heart of ALLNET building testing and provide a comprehensive way to obtain data about the environment and climate and use it, for example, to control actuators and I/O inputs via the sensor meters.

Signal lamp / signal light

Door / Window Sensors

Shock Sensors

Noise Detectors

Smoke / Gas Detectors

Motion Detectors

pdf-download 98840-1  Art. nr. 98840

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  • new compact aluminum desktop- / wallmounting case
  • I2C Bus for multiplexing use

  • angle fixings for wall mounting



Measure, control and regulate automatically and independently


ALLNET for years been pursuing the concept of intelligent control of processes in building over network and Internet. Intelligent building not only offers comfort, but actively promotes the reduction of energy costs.


Centrally managed and via network / internet accessible the ALLNET Home Automation products allow intelligent building automation regardless of time and location.


The ALL4452 PIR Movement detector has a max. detection angle of 92° and a max range of 8 meters.


Movement detection Sensor in desktop-/ wallmounting case

  • max. detection angle of 92°, max. range of 8 meters
  • Aluminum housing with bracket for wall mounting
  • Multiple multiplexing = multiple modules on one line
  • Interfaces: 2x RJ45





Sensor type

PIR movement detection

measuring range:

max. detection angle of 92°, max. range of 8 meters




2x RJ45 (I2C Bus)


dial wheel for ID (8), see note below

LED Indicators:

1x PWR, 1x BUS, 1x Detetct


metal case


Temperature operating: -45 ~ 90 °C

Humidity operating: 0% ~ 100% (non condensed)

Temperature storage: -20 ~ 60 °C

Humidity storage: 5% ~ 90% (non condensed)




79 x 50 x 24 mm (Length x Width x Height)


230 Grams (only device)


36 months

package content:

1x ALL4452 PIR Movement detection sensor

1x connection cable




Multiplexing - Note to the operation of several sensors on one sensor port


Basically, it is for the ARM and MIPS-based systems possible, unlike to the ALL3000/4000 to operate more thanone sensor on a physical port.



Standard hardware requirement is that the sensors are equipped with 2 RJ45 connectors so that the sensor signal can be continued to the next sensor. The total cable length of 100 m does not increase thereby.



So that the sensors can be uniquely identified by the devices, it is necessary that these sensors have different software-I2C chip addresses and IDs. Sensors with the same address and adjustable chip ID can be combined. For sensors without adjustable ID address only one type of sensor can be connected per port.


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