Emerson EPRO CON021/912-015 | Eddy Current Signal Converter

Overview

The EPRO CON021/912-015 is a high-performance eddy current signal converter from Emerson’s EPRO series, engineered for turbomachinery and rotating equipment monitoring. It converts sensor signals—including displacement, vibration, and rotational speed—into standardized electrical outputs for industrial control systems, delivering high precision and reliable operation even in harsh environments.

Technical Specifications

• Function: Eddy current signal conversion for shaft displacement, eccentricity, speed, and key position monitoring

• Frequency Range: 0–20 kHz (-3 dB)

• Rise Time: <15 µs

• Compatible Sensors: PR6422, PR6423, PR6424, PR6425, PR6426, PR6453 (PR6425 requires extended range)

• Supply Voltage: -23V to -32V DC (Output -4V to -20V); -21V to -32V DC (Output -2V to -18V)

• Output Signal: Standardized analog 4–20 mA or 0–10 V; optional digital interfaces RS485, Modbus RTU, Profibus DP

• Operating Temperature: -30°C to +100°C (-22°F to +212°F)

• Shock & Vibration Resistance: 5g @ 60 Hz @ 25°C

• Protection Class: IP20 standard; IP65 available in specific configurations

• Housing Material: LMgSi 0.5 F22 aluminum alloy

• Weight: 0.5 kg

Key Features

• High-precision signal conditioning for accurate monitoring

• Compatible with multiple eddy current and vibration sensors

• Fast response time for dynamic machinery monitoring

• Industrial-grade durability and strong interference resistance

• Flexible outputs supporting both analog and digital communication

Applications

• Turbomachinery monitoring: steam, gas, and hydro turbines

• Rotating equipment: compressors, pumps, fans

• Process control and protection: converting sensor data into actionable signals for PLCs and monitoring systems

FAQ

Q: Which sensors are compatible with this converter?
A: Supports PR6422, PR6423, PR6424, PR6425, PR6426, and PR6453 series eddy current sensors. PR6425 requires an extended measurement range.

Q: Can it operate in high-temperature environments?
A: Yes, it operates reliably between -30°C and +100°C.

Q: Does it support digital communication protocols?
A: Some models support RS485, Modbus RTU, and Profibus DP interfaces for integration with control systems.

Q: What is the protection class and installation method?
A: Standard IP20, optional IP65; panel mount with 4 M5 screws.