Description:

The Omron E3C-LD31 fiber optic sensor amplifier is used in industrial automation systems to provide precise detection and signal amplification for fiber optic sensing applications in PLC-controlled equipment. Commonly installed in high-speed packaging machines, semiconductor equipment, assembly lines, and precision manufacturing processes requiring accurate small-object detection. Maintenance teams and system integrators use this part for replacement, retrofit, and maintaining reliable sensing performance in automation systems.

Applications:

The Omron E3C-LD31 fiber optic amplifier is used in industrial environments where high-precision detection is required in limited space or challenging conditions. It is applied in electronic component assembly, packaging lines, inspection systems, and robotic handling to detect small parts, transparent materials, or objects in confined areas, ensuring consistent and accurate PLC-based automation control.

Technical Specifications:

• Manufacturer: Omron
• Part Number: E3C-LD31
• Product Type: Fiber Optic Sensor Amplifier
• Series: Omron E3C Series
• Sensor Type: Fiber optic amplifier (requires separate fiber unit)
• Output Type: NPN open collector
• Supply Voltage: 12 to 24 VDC
• Response Time: High-speed response (microsecond-level)
• Sensitivity Adjustment: Digital / manual adjustment
• Display Type: Digital display with indicators
• Connection Type: Pre-wired cable
• Mounting Type: DIN rail mount
• Protection Rating: IP50
• Operating Temperature: -25°C to +55°C

Common Replacements:

• Omron E3C-LDA41 Fiber Optic Amplifier
• Omron E3X-NA41 Fiber Optic Amplifier
• Omron E3NX-FA11 Fiber Optic Amplifier