
PRFDAWT18-7DO-IV Autonics Inductive Proximity Sensor
Autonics PRFDAWT18-7DO-IV Flat Inductive Proximity Sensor – 7 mm, NPN, DC 3-Wire
Autonics PRFDAWT18-7DO-IV is a flat-type inductive proximity sensor with a 7 mm sensing distance and NPN DC 3-wire NO output.
Ideal for reliable metal detection in space-constrained PLC-based automation.
The Autonics PRFDAWT18-7DO-IV is a flat-type inductive proximity sensor developed for accurate metal object detection in compact industrial automation setups. With a 7 mm sensing distance, NPN DC 3-wire normally open output, and built-in operation LED (IV), it delivers stable performance in jigs, fixtures, PCB assembly machines, and other applications where mounting depth is limited.
Key Features
Detects metal objects only (inductive sensing principle)
Low-profile flat-type design for tight spaces
7 mm sensing distance
NPN, DC 3-wire Normally Open (NO) output
Built-in LED indicator (IV)
Reverse polarity & surge protection
High reliability in dense automation layouts
IP67 protection for industrial environments
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PRFDAWT18-7DO-IV |
| Sensor Type | Inductive Proximity Sensor |
| Body Type | Flat Type |
| Installation | Flush |
| Sensing Distance | 7 mm |
| Standard Target | Iron 18 × 18 × 1 mm |
| Output Type | NPN, Normally Open (NO) |
| Wiring | DC 3-Wire |
| Supply Voltage | 12–24 V DC (10–30 V DC operating) |
| Current Consumption | ≤ 10 mA |
| Control Output | Max. 200 mA |
| Response Frequency | Approx. 300 Hz |
| Indicator | LED (Operation Indicator) |
| Protection Circuit | Reverse polarity, surge protection |
| Protection Rating | IP67 |
| Ambient Temperature | −25 °C to +70 °C |
| Connection Type | Cable Type |
| Cable Length | 2 m |
| Body Material | Heat-resistant resin |
Applications
Compact automation & special-purpose machines
Jigs & fixtures
Pick-and-place systems
PCB & electronics assembly lines
OEM automation equipment
Space-constrained metal detection
What’s in the Box
1 × Autonics PRFDAWT18-7DO-IV Sensor
Mounting screws
Instruction leaflet
FAQ
Q1. What does “Flat Type” indicate?
It means a low-profile rectangular sensor suitable for tight mounting spaces.
Q2. What does “IV” stand for?
It indicates a built-in LED indicator and voltage protection.
Q3. Is this sensor PLC compatible?
Yes. The NPN DC 3-wire output is commonly used with PLC digital inputs.
Q4. What material can it detect?
Only metal objects.
Q5. What is the sensing distance?
7 mm with a standard iron target.



