Product Details
The Emerson CON021/916-200+PR6426/010-140, also cataloged as the CON021/916-200+PR6426/010-140 Eddy Current Sensor System, operates as a dedicated hardware component for high-precision non-contact shaft displacement measurement within machinery protection and TSI platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CON021/916-200+PR6426/010-140 |
| Brand | Emerson |
| Base Model | CON021+PR6426 Sensor Systems |
| Origin | Germany |
| Operating Temp | Sensor tip rated up to +180 deg C (+356 deg F) |
| Power Consumption | Backplane / loop powered via monitoring rack |
| Measuring Range | 2.0 mm nominal |
| Sensitivity | 8 V/mm (200 mV/mil) with 20.0 m calibrated driver |
| Output Signal | Standardized analog voltage, 0 to -20 VDC (-2 VDC to -18 VDC linear) |
| System Calibration Length | Exactly 20.0 m total cable run |
| Integral Cable Length | 1.0 m integral probe lead |
| Armor Option | Stainless steel flexible armored conduit (140) with high-temp FEP/PFA cable |
| Converter Mounting | 35 mm DIN-rail mounting with shielded aluminum enclosure |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The CON021/916-200 converter operates as an oscillator and demodulator module specifically tuned to drive the PR6426 sensor tip across a 20.0-meter total cable length. The internal signal path generates low-noise analog voltage outputs proportional to dynamic shaft movement while maintaining electrical isolation. This channel-to-channel decoupling isolates the probe measuring loop from adjacent 4-20 mA HART instrumentation lines and DCS backplane connections, preventing common-mode noise corruption.
Frequently Asked Questions
Q: How does the CON021/916-200 handle fault detection for damaged field wiring or open probe leads?
A: The driver maintains a target "Sensor OK" voltage window between -2 VDC and -18 VDC. A drop to 0 VDC indicates a short circuit, while a shift toward the supply voltage signals an open circuit, automatically asserting a channel fault status.
Q: What target shaft material is required to achieve the calibrated 8 V/mm sensitivity?
A: The system sensitivity of 8 V/mm (200 mV/mil) is calibrated using a standard ferromagnetic steel target (42CrMo4 / AISI 4140).
Q: What is the physical significance of the "916-200" suffix on the signal converter?
A: The 916-200 suffix designates internal impedance tuning specifically matching an exact 20.0-meter total cable length (integral probe lead plus extension cable).
Field Installation Guidelines
- Mount the 8 mm PR6426 probe head into the bearing housing or casing fixture, verifying mechanical thread security.
- Adjust mechanical insertion depth to set the static physical gap within the linear output range of -2 VDC to -18 VDC.
- Route the stainless steel armored conduit cable away from sharp edges and hot piping to preserve the FEP/PFA insulation.
- Mount the CON021 converter onto a standard 35 mm DIN rail inside a low-vibration marshalling enclosure.
- Connect probe leads without altering or trimming the calibrated 20.0-meter total cable assembly, ensuring shield drains terminate at a single system ground block.
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.
Tech & Buying Guide
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