Panasonic FX-102 Digital Fiber Sensor – Long Sensing Range

Technical Overview

Advanced NPN digital fiber sensor (FX-102) with 9mm slim body, dual display, 970mm long sensing, 2.5ms response, and robust environmental resistance.

Key Features

Slim 9 mm (0.354 in) body for space-saving installation
Good dual digital display for simultaneous threshold and incident light intensity confirmation
Utilizes Four-chemical emitting element for long-term sensing stability
Simple operation with RUN, SET, and PRO configuration modes
Quick code input function for easy setting restoration
Compatible with commercially-available connectors to reduce lead time
Teaching with ON/OFF keys for simplified setup
GETA function resolves variations in incident light intensity display
Threshold value follow-up cycle setting for environmental changes
Emission amount setting function with 3-levels + Auto
Emission frequency setting to prevent mutual interference (up to 4 units for FX-102)
Setting copy function for efficient multi-unit configuration
External input setting for various control options (emission halt, teaching, ECO)
Digital display inversion setting for flexible mounting orientation
Alert function for monitoring light received approaching threshold
Power consumption saving with ECO mode (600 mW or less)
Selectable mounting on DIN rail or directly with M3 screws
Wide operating voltage range: 12 to 24 V DC ±10%

Technical Specification Matrix

Parameter	Value
Series	FX-100 SERIES
Type	Long sensing range type
Output Type	NPN open-collector transistor
Supply Voltage	12 to 24 V DC ±10% Ripple P-P 10% or less
Power Consumption (Normal)	720 mW or less (Current consumption 30 mA or less at 24 V supply voltage)
Power Consumption (ECO Mode)	600 mW or less (Current consumption 25 mA or less at 24 V supply voltage)
Maximum Sink Current	100 mA
Applied Voltage (Output)	30 V DC or less (between output and 0 V)
Residual Voltage (Output)	1.5 V or less (at 100 mA sink current)
Output Operation	Selectable Light-ON or Dark-ON
Short-Circuit Protection	Incorporated
External Input (Signal Condition High)	+8 V to +V DC or Open
External Input (Signal Condition Low)	0 to +2 V DC (Source current 0.5 mA or less)
External Input (Input Impedance)	10 kΩ approx.
Response Time (Emission Frequency 1, Default)	2.5 ms or less
Sensitivity Setting	2-point teaching / Limit teaching / Full-auto teaching
Operation Indicator	Orange LED (lights up when the output is ON)
Digital Display	4 digits (green) + 4 digits (red) LCD display
Timer Function	ON-delay/OFF-delay timer, switchable; periods: 1 ms to 1,000 ms
Emission Amount Setting	3-level + Auto setting
Interference Prevention Function	Incorporated (Emission frequency selection method)
Ambient Temperature	-10 to +55 °C (+14 to +131 °F)
Ambient Humidity	35 to 85% RH
Ambient Illuminance	Incandescent light: 3,000 lx or less
Voltage Withstandability	1,000 V AC for one min.
Insulation Resistance	20 MΩ or more with 250 V DC megger
Vibration Resistance	10 to 150 Hz frequency, 0.75 mm double amplitude
Shock Resistance	98 m/s² acceleration (10 G approx.)
Emitting Element	Red LED (Peak emission wavelength: 643 nm)
Enclosure Material	Polycarbonate
Key Switch Material	Polycarbonate
Connecting Method	Connector
Max Cable Length	100 m (328.084 ft) with 0.3 mm² or more cable
Mounting Holes	Ø3.2 mm (0.126 in) for M3 screws
Sensing Range (with FT-43 fiber)	970 mm (38.189 in)
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	6.62 x 0.9 x 4.8

Industrial Applications

1. Compact Assembly Line Automation

The FX-102's ultra-slim 9mm body is ideal for integrating into dense, space-constrained assembly lines common in electronics or small parts manufacturing. Its digital display allows for precise adjustment and monitoring without needing external tools, ensuring optimal alignment in tight spots.

Problem Solved

Limited space in modern assembly machines restricts the use of bulkier sensors. The FX-102's compact design overcomes this, allowing for high-density sensor placement and reducing overall machine footprint while maintaining critical part detection capabilities.

Compact design9mm widthPrecision sensingSpace-savingDigital display

2. High-Speed Object Detection on Packaging Conveyors

With a fast response time of 2.5 ms and a long sensing range of up to 970mm, the FX-102 is perfectly suited for detecting rapidly moving packages or items on high-speed conveyor belts in packaging plants. The interference prevention function enables multiple sensors to operate in close proximity without affecting each other, crucial for complex detection zones.

Problem Solved

Inaccurate or missed detections on fast-moving conveyor lines lead to production errors and downtime. The FX-102's quick response and long-range stability minimize these occurrences, while its anti-interference capabilities support reliable operation in multi-sensor environments.

High-speed detection2.5ms response timeLong sensing rangeInterference preventionConveyor systems

3. Environmental Adaptation in Dusty Manufacturing

The FX-102's threshold value follow-up cycle setting and stable four-chemical emitting element are critical for maintaining consistent performance in environments prone to dust accumulation or temperature fluctuations, such as woodworking or material processing facilities. The GETA function also ensures consistent incident light intensity display, simplifying troubleshooting.

Problem Solved

Environmental factors like dust and temperature changes can degrade sensor performance, causing false readings and requiring frequent recalibration. The FX-102's adaptive features and long-term stability reduce maintenance needs and ensure reliable operation despite challenging conditions.

Environmental resistanceThreshold value follow-upLong-term stabilityGETA functionDust compensation