FD322 - Detector OPTEX - Free user manual and instructions
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| Product Type | Passive Infrared (PIR) Detector |
| Model | FD322 |
| Brand | Optex |
| Detection Method | Passive Infrared (PIR) |
| Maximum Detection Range | 12 m (39 ft) at 25°C |
| Detection Angle | 90° (standard lens) |
| Mounting Height | 1.8 m to 2.5 m recommended |
| Power Supply | 9 to 16 V DC |
| Current Consumption | 15 mA typical at 12 V DC |
| Alarm Output | NC (Normally Closed) relay, 28 V DC, 0.2 A max |
| Tamper Output | NC (Normally Closed), 28 V DC, 0.1 A max |
| Adjustable Pulse Count | 1, 2, or 3 pulses selectable by jumper |
| LED Indicator | Red LED for alarm and walk test |
| Dimensions (H x W x D) | 108 x 50 x 30 mm |
| Weight | 80 g |
| Operating Temperature | -20°C to +50°C |
| Humidity | Up to 95% non-condensing |
| Pet Immunity | Up to 20 kg (dog) with specific lens (optional) |
| Maintenance | Clean lens with soft dry cloth; avoid solvents |
| Safety | Complies with EN 50131-2-2 Grade 2 |
| Spare Parts | Lens masks, brackets, and optional lenses available |
| Repairability | Field replaceable lens and terminal block |
Frequently Asked Questions - FD322 OPTEX
What is the detection range of the Optex FD322?
The FD322 has a maximum detection range of 12 meters (39 feet) at 25°C, with a 90° detection angle using the standard lens.
How do I wire the FD322 detector?
Connect power (9-16 V DC) to the + and - terminals. The alarm output is a Normally Closed (NC) relay (COM and NC terminals). Tamper output also NC. Refer to the terminal layout in the manual.
Can the FD322 detect pets?
With an optional pet immunity lens, the FD322 can ignore animals up to 20 kg. Without it, it may trigger on small animals.
How do I adjust the sensitivity?
Sensitivity is adjusted via a potentiometer on the PCB. Additionally, the pulse count can be set to 1, 2, or 3 via a jumper to reduce false alarms.
What is the mounting height for the FD322?
Recommended mounting height is 1.8 to 2.5 meters above the ground for optimal coverage.
Does the FD322 have a tamper switch?
Yes, it has a tamper switch that activates when the cover is removed, which can be wired to an alarm panel.
How do I perform a walk test?
Set the jumper to 'walk test' mode (often labeled 'TEST'). The red LED will illuminate for 2-3 seconds when motion is detected.
What power supply is required?
The FD322 operates on 9 to 16 V DC, typically 12 V DC, with a current draw of about 15 mA.
How do I clean the FD322?
Use a soft, dry cloth to gently clean the lens and case. Do not use water, solvents, or abrasive cleaners.
What spare parts are available?
Optional lenses (e.g., long range, curtain, pet immunity), mounting brackets, and terminal blocks are available from Optex.
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USER MANUAL FD322 OPTEX
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Product information
Brand : OPTEX
Model : FD322
Category : Detector