Overview
The Epro CON041-CN, also cataloged as the CON041 eddy current signal converter, processes displacement signals from compatible Epro proximity probes for machinery monitoring systems. It converts probe measurements into proportional analog voltage signals representing shaft displacement, vibration, and rotor position. The converter operates within the signal conditioning chain between the sensor and the monitoring equipment.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CON041-CN |
| Base Model | CON041 |
| Brand | Epro / Emerson |
| Device Type | Eddy Current Signal Converter |
| Compatible Sensors | Epro PR6422, PR6423, PR6424, PR6425, PR6426 series |
| Frequency Range (-3 dB) | 0 Hz to 20,000 Hz |
| Signal Rise Time | < 15 us |
| Nominal Supply Voltage | -24 VDC |
| Supply Operating Range | -21 VDC to -32 VDC |
| Output Voltage Range | -2 V to -18 V or -4 V to -20 V, depending on configuration |
| Operating Temperature | -30 deg C to +100 deg C |
| Housing Material | Polyamide PA 6.6 |
| Protection Class | IP20 |
| Mounting Type | DIN Rail, EN 50022 |
| Electrical Connections | Screw terminals |
| Maximum Conductor Cross-Section | 1.5 mm2 with wire-end sleeves |
| Weight | Approx. 60 g |
| Certifications | CE compliance stated; hazardous-area variants depend on system configuration |
Eddy Current Signal Conditioning and Measurement
The CON041 processes the electrical response of compatible eddy current probes to provide displacement-related voltage signals for monitoring equipment.
During operation, the converter maintains the electrical relationship between the probe measurement and the corresponding output signal. Consequently, the monitoring system can evaluate shaft vibration, static displacement, rotor position, and eccentricity.
The specified frequency response extends from 0 Hz to 20 kHz at the -3 dB points. The stated signal rise time is less than 15 us.
The negative supply voltage operates nominally at -24 VDC, with a stated operating range of -21 VDC to -32 VDC. Output voltage ranges depend on the applicable configuration.
Frequently Asked Questions (FAQ)
Q: Which proximity probes are compatible with the CON041-CN?
A: The supplied documentation identifies Epro PR6422, PR6423, PR6424, PR6425, and PR6426 series probes. Confirm the specific probe and converter configuration before installation.
Q: What power supply does the CON041-CN require?
A: The nominal supply voltage is -24 VDC. The stated operating range is -21 VDC to -32 VDC. Verify polarity and supply compatibility before energizing the converter.
Q: What output signal does the CON041-CN provide?
A: The documented output ranges are -2 V to -18 V or -4 V to -20 V, depending on configuration. Confirm the applicable output range when connecting the converter to monitoring equipment.
Field Installation Guidelines
- Mount the converter on a compatible DIN rail inside the control cabinet.
- Verify the supply voltage and polarity before connecting the power terminals.
- Connect the compatible eddy current probe according to the applicable wiring documentation.
- Route probe signal wiring separately from high-current power conductors to reduce electrical interference.
- Terminate cable shields according to the monitoring system grounding design.
- Verify terminal assignments and output polarity before commissioning.
- Confirm that the cabinet environment remains within the specified operating temperature range.
- Observe the IP20 enclosure limitation. Install the converter inside a suitable protective cabinet.
- Check the output voltage and signal response against the connected monitoring equipment before returning the machinery to service.
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