FSS1-S

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	Brochure	FSS1 Brochure	pdf	620.6 KB	Download

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Surface mount with side conduit entry. The FSS1-S provides a conduit entry of 20mm (1/2 BSP pipe thread) to enable retro and new installation compatibility. The sensor housing is not handed and can be used in either left or right hand conduit entry. Slight conduit realignment on retrofit installations may be necessary.

Both surface mount models are supplied with a 1.5mm and a 3mm spacer to cater for
door / frame horizontal misalignment. Additional spacer kits are available.

DESIGN FEATURES

The products consist of two main components, the sensor on the door frame, and the magnetic array plate on the door. The product is designed for installation on hinged doors.
The FSS1 consists of 7 magnetic sensors that are used to detect the magnetic footprint from an array of magnets on the magnetic array plate. One sensor is used to detect the position of the magnetic array plate in relation to the FSS1, while the other 6 sensors are used to determine the polarity, size, strength and position of the magnets on the magnetic array plate in relation to the memorized recorded pattern.
The FSS1 is calibrated with the first closing of the door, storing the magnetic measurements into the devices memory. The FSS1 can be re-calibrated to allow for potential door drop or door warp.
Using 4 magnets in different positions, strength and polarity in the magnetic plate provides 1,820 permutations. In addition the magnetic plate position, orientation, door gap and surrounding material adds more door specific variables, greatly expanding on the base permutation. These door unique parameters and magnetic matrix are learnt by the sensor during the calibration procedure.
This far exceeds the Australian Government requirement of 8 permutations of magnets.
The FSS1 is not factory calibrated (mated) to its supplied magnetic array plate, and only learns the magnetic matrix when first powered and upon the first door closure.1937