Description The Omron E2CA‑AL4E is a compact amplifier unit designed for use with the E2CA series M18 inductive proximity sensors, converting their linear output into a 4–20 mA signal. Ideal for precise metal detection applications, it plugs directly into the sensor and supports both AC and DC power supplies. Technical Specifications Condition New/Never Used Surplus Brand Omron Category Sensors Part Number E2CA-AL4E Subcategory Proximity Sensor Amplifier Series E2CA Linear Proximity Sensor Compatible Sensor E2CA-X5A Supply Voltage 12–24 VDC (10–30 VDC allowable) Current Consumption 70 mA maximum Analog Output 4–20 mA Analog Load Resistance 0–300 Ω Switching Output Transistor, photocoupler, 100 mA max, 40 VDC max Response Frequency 5 kHz (linear), 350 Hz (switching) Detection Range 1–5 mm Operating Temperature -10°C to +55°C Protection Rating IP40 (amplifier) Connection Type Terminal block Weight Approximately 140 g (0.31 lb) Information About E2CA-AL4E The E2CA-AL4E is a compact proximity sensor amplifier from Omron’s E2CA series, designed to convert analog sensing signals from compatible inductive sensors into a linear 4–20 mA current output. Ideal for high-resolution metal detection and position monitoring, the amplifier offers stable, noise-resistant operation in a panel-mount format. Though now obsolete, it remains available through surplus distributors and continues to support legacy sensor applications in industrial automation. Key Features: Omron Engineered: Designed as part of Omron’s E2CA linear sensing system for precision analog proximity detection. Linear Output: Delivers a standard 4–20 mA current output signal proportional to the detected distance, suitable for PLCs and analog input devices. Compatible Sensors: Pairs with E2CA M18 inductive sensors such as the E2CA-X5A and X5M for accurate metal detection in the 3–5 mm range. Panel Mount Design: Easily installs in control cabinets using an 11-pin socket base, simplifying wiring and maintenance. Standard Amplifier Type: Offers a straightforward and robust interface with stable signal conversion and response up to 5 kHz. Power Supply: Operates on 10–30 VDC with a max current draw of 70 mA, compatible with most industrial low-voltage systems. Operating Temperature: Rated for –10 °C to +55 °C, ensuring stable operation in typical factory environments. Discontinued Model: No longer in production but still accessible through aftermarket and surplus suppliers for legacy systems. The E2CA-AL4E remains a reliable and cost-effective amplifier for linear proximity sensing applications. Its precise analog output and compatibility with Omron’s E2CA sensors make it a dependable option for retrofits, legacy system maintenance, and signal conversion in compact industrial setups.
