Bus combined PIR and MW motion detector

The JA-120PW is a bus component of the JABLOTRON system. It is used for the detection of human movement in building interiors. The combination of PIR and microwave (MW) detection provides great immunity against false alarms. The detector works like a classic PIR detector, however when PIR detects movement in a guarded place, the MW part is activated and confirms the previous PIR activation. Only then an alarm is triggered and is sent to the control panel. The detector should be installed by a trained technician with a valid certificate issued by an authorised distributor.

Installation

Given the principle and detection characteristics of the MW detector, the best results can be achieved when the detector is installed in a corner of a room. No moving objects (e.g. waving curtains above a radiator) or animals should be in the detector’s field of vision. There should be no obstacles in front of the detector which could obstruct its view and it should not be installed near metal objects (they could affect the MW field). It is also not possible to install two and more detectors in an area where MW transmitters could affect each other.

Figure 1: Internal parts of the product
1 – digital bus terminals; 2 – MW part connector; 3 – production code; 4 – PCB tab; 5 – PIR sensor; 6 – tamper contact; 7 – cover tab; 8 – test jumper; 9 – MW sensor; 10 – MW sensitivity settings;

1. Open the detector cover by pushing the tab (7). Avoid touching the PIR sensor inside (5) – you could damage it.
2. Take out the PCB – it is held by tabs (4). It is not necessary to unplug the connector (2) of the MW part.
3. Punch through the holes for the screws and the cable in the plastic base. The recommended detector installation height is 2.5 m above the floor.
4. Insert the bus cable and attach the plastic base to the wall using screws (vertically, with the cover tab (7) facing downwards).
5. Put the PCB back and connect the bus cable to the bus terminals (1).
6. Close the detector cover.

Always switch the power off before connecting the detector to the system bus.

Enrolment to the system and settings

According to the type of control panel use recommended software or application – see control panel manual.

Detector Testing

Check the functioning of both sensors using a jumper (8) when the control panel is in Service mode. Due to the use of two technologies with different detection characteristics, it is important to test the coverage of the guarded area with both detectors Warning: Confirmation of activation by the MW detector can’t be carried out when the control panel is unset therefore it’s no possible to fully test its function and configuration.

The PIR detector is equipped with a 110° / 12 m lens. Coverage – see Fig 2. Check the coverage with the jumper (8) in the “PIR” position. Movement is indicated by a red LED.

The MW detector reacts to movement from in a 1 m to 15 m range. The detection range is set by a trimmer (10). In some cases, the detector can detect movement of non-metal materials behind fixed obstacles (behind a thin wall, a door, glass, flowing water in plastic pipes etc.).

It is recommended to set the MW detection range the way it won’t exceed the field of view of PIR. Testing is carried out by placing the jumper (8) in the MW position. MW activation is indicated by a red LED. Given the principle of MW, its coverage characteristics may significantly differ depending on a size, shape and facilities of the room in which the detector has been installed. Especially regarding metal surfaces which cause reflection or shielding of the signal generated by MW.

During installation, it’s always necessary to test whether the detector sufficiently covers the area.

Detection characteristics

Open space

Model room

Figure 2: Detection coverage characteristics in open space and in a model room – installation in a corner.

Disconnect the jumper completely after testing the coverage of the PIR/MW parts of the detector!

Technical specifications

Power	from the control panel bus 12 V (9 … 15 V)
Quiescent current consumption	5 mA
Maximal current consumption	25 mA
Recommended installation height	2.5 m above the floor
Detection angle / PIR coverage	110° / 12 m (standard lens)
Detection angle / MW coverage	24° / 15 m (in open space without reflections)
MW Frequency	9.35 GHz
Dimensions	61 x 110 x 51 mm
Weight	106 g
Classification	security grade 2 / environmental class II
according to	EN 50131-1
Environment	Indoor general
Operating temperature range	-10 °C to +40 °C
Average humidity	75% RH, non-condensation
Certification body	Trezor Test s.r.o. (no. 3025)
Also complies with	EN 50131-1, EN 50131-2-4, EN 50130-4, EN 55032, EN IEC 63000, EN 62368-1, ETSI EN 300 440
Can be operated according to	ERC REC 70-03
Recommended screw	2x ø 3.5 x 40 mm (countersunk head)
We recommend that you familiarize yourself with the terms and conditions set by local telecommunications authorities. This detector must not be used in Great Britain as this frequency band is allocated for radar level measurements applications. In Russia, the e.i.r.p is limited to 13 dBm (approx. 20 mW).

	JABLOTRON a.s. hereby declares that the JA-120PW is in a compliance with the relevant Union harmonisation legislation: Directives No: 2014/53/EU, 2014/35/EU, 2014/30/EU, 2011/65/EU. The original of the conformity assessment can be found at www.jablotron.com – Section Downloads.
	Note: Disposing of this product correctly will help save valuable resources and prevent any potential negative effects on human health and the environment, which could otherwise arise from inappropriate waste handling. Please return the product to the dealer or contact your local authority for further details of your nearest designated collection point.