Product Details
The Emerson CON021+PR6424/010-120, also cataloged as the CON021 / PR6424 Eddy Current Sensor, operates as a dedicated hardware component for non-contact shaft displacement and dynamic vibration measurement within machine protection systems. The assembly pairs a high-frequency inductive proximity probe with a matched signal converter module to detect physical gap variations between the sensing face and conductive target surfaces. Physical displacement is continuously converted into a proportional analog output signal for direct interface with TSI racks, DCS platforms, or process monitoring systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CON021+PR6424/010-120 |
| Brand | Emerson |
| Origin | United States |
| Operating Temp | -30 to +80 deg C (Converter) / -35 to +180 deg C (Probe head) |
| Power Consumption | < 1.2 W (at 24 VDC supply) |
| Supply Voltage | 24 VDC nominal |
| Measurement Principle | Eddy Current Proximity Sensing |
| Measuring Range | 0 to 4 mm |
| Output Signal | 4-20 mA HART loop protocol / Dynamic gap voltage |
| Housing Material | Stainless Steel |
4-20 mA HART Loop Protocol & Channel Isolation
The signal converter integrates a 4-20 mA HART loop protocol to transmit primary displacement variables along with internal field diagnostics over standard two-wire loops. Continuous galvanic channel-to-channel isolation prevents ground loop potential differences between channel pairs in dense multi-probe machine monitoring installations. On-board signal processing compensates for thermal changes along the transducer length, preserving calibration accuracy and output slope stability over long operating cycles.
Frequently Asked Questions
Q: What is the primary function of the CON021 signal converter in this assembly?
A: The CON021 driver conditions the raw high-frequency oscillator signal from the PR6424 probe into a linear 4-20 mA current output proportional to the target gap distance.
Q: Is field re-calibration required when changing interconnecting extension cables?
A: The system uses matched impedance probe-and-cable combinations; changing total system cable lengths alters total loop capacitance and requires recalibration of the zero bias voltage.
Field Installation Guidelines
Maintain a minimum radial clearance of 1.5 times the probe tip diameter from surrounding metallic housing walls to prevent uncalibrated side-wall interference. Route probe cables in dedicated grounded steel conduit isolated from high-voltage AC motor drives and switching lines. Connect cable shielding to the main panel functional earth at a single point only to eliminate stray earth loops. Tighten probe mounting locknuts to standard torque ratings and apply moisture-proofing self-amalgamating tape to all exposed cable connections in harsh outdoor environments.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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