Overview
The EPRO CON021 + PR6423/017-030-CN is an eddy-current measurement configuration consisting of a signal converter and a proximity probe. The PR6423/017-030-CN measures shaft vibration and displacement without mechanical contact, while the CON021 converts the probe signal into an output for monitoring and control systems. Furthermore, the 17 m probe cable provides the specified cable configuration for this assembly.
Product Configuration
The complete configuration contains two separate components with different functions:
- CON021 – Eddy-Current Signal Converter: Accepts signals from compatible PR6422 through PR6426 eddy-current sensors and converts them into electrical measurement outputs.
- PR6423/017-030-CN – Eddy Current Proximity Probe: Detects the distance between the probe tip and a conductive target. It provides the measurement input for vibration and displacement monitoring.
Meanwhile, the two model numbers identify separate components rather than alternative designations for the same product.
Measurement and Signal Processing
The PR6423 probe operates on the eddy-current principle. It generates an electromagnetic field at its sensing tip and detects changes caused by the distance between the probe and a conductive target. The resulting signal represents relative displacement and can support shaft vibration monitoring.
The CON021 processes the probe signal and provides an electrical output for downstream monitoring equipment. Its frequency response of 0 to 20 kHz supports dynamic measurement signals, while the specified rise time of less than 15 us describes its response to changes in the input signal.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | CON021 + PR6423/017-030-CN |
| Brand | EPRO |
| Product Type | Eddy Current Signal Converter and Proximity Probe |
| Converter Model | CON021 |
| Probe Model | PR6423/017-030-CN |
| Converter Function | Eddy-current signal conversion |
| Compatible Sensor Models | PR6422 through PR6426 |
| Sensor Connector | Self-locking LEMO socket |
| Cable Length | 17 m |
| Supply Voltage | -24 VDC nominal |
| Supply Voltage Range | -23 to -32 VDC |
| Standard Output | -4 to -20 V or -2 to -18 V |
| Frequency Response | 0 to 20 kHz |
| Rise Time | Less than 15 us |
| Gain Error | Less than 1% from 0 to 1000 Hz |
| Operating Temperature | -30 to +100 deg C |
| Relative Humidity | 0 to 95%, non-condensing |
System Compatibility
The CON021 accepts signals from PR6422 through PR6426 eddy-current sensors. The PR6423/017-030-CN is the specified probe in this configuration.
The assembly is intended for integration with compatible machinery monitoring systems. Emerson Ovation is identified in the supplied application information; however, the exact interface requirements and system configuration should be checked before installation.
Frequently Asked Questions
Q: What is the difference between CON021 and PR6423/017-030-CN?
A: CON021 is the eddy-current signal converter, while PR6423/017-030-CN is the proximity probe. They perform different functions and work together as a measurement configuration.
Q: Can the CON021 work with other EPRO proximity probes?
A: The specified sensor input supports PR6422 through PR6426 eddy-current sensors. The exact probe configuration and electrical connection must match the converter requirements.
Q: What is the cable length of the PR6423/017-030-CN?
A: The supplied configuration specifies a 17 m cable. This cable length should be considered when checking the installation distance between the probe and converter.
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