Proximity Sensors | Emerson PR6424/003-030 CON021
Manufacturer: Emerson
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Part Number: CON021+PR6424/003-030
Condition：New with Original Package
Product Type: Proximity Sensors
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson PR6424/003-030 CON021 Eddy Current Transducer System
Configured for precise non-contact measurement of shaft vibration, displacement, eccentricity, and speed in industrial monitoring networks, the Emerson PR6424/003-030 CON021 (PR6424/003-030 CON021 PLC Processors Module) provides direct physical/electrical execution. The hardware assembly pairs a 10 mm eddy current probe with a dedicated signal converter to translate raw electromagnetic field modulations into linearized analog outputs compatible with monitoring chassis.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PR6424/003-030 CON021 |
| Brand | Emerson |
| Origin | United States |
| Weight | 0.32 kg (Net), 0.36 kg (Package gross weight) |
| Dimensions | 12.1 cm x 5.2 cm x 16.6 cm (Net module size) |
| Operating Temp | -35 to +180 deg C (Sensor head), -30 to +100 deg C (Converter) |
| Power Consumption | Minimal loop draw via excitation circuits |
| Sensor Type | 10 mm eddy current probe |
| Frequency Range | 0 to 20,000 Hz (-3 dB response curve) |
| Rise Time | Less than 15 us |
| Supply Voltage | -23 VDC to -32 VDC (or -21 VDC to -32 VDC configuration) |
| Linear Measurement Range | ~4.0 mm nominal range |
| Initial Air Gap | 1.0 mm baseline clearance |
| Sensitivity | 4 V/mm (+/-5% tolerance margin) |
| Deviation from Linearity | +/-0.025 mm variance |
| Target Material | Ferromagnetic steel (42CrMo4 / AISI 4140 standard) |
| Protection Class | IP66 (Sensor head assembly), IP20 (Signal converter) |
| Certifications | ATEX, IECEx, CSA Intrinsic Safety Ex ia IIC T4/T6 |
Process Control & DCS Instrumentation Features
The transducer system deploys a standardized voltage loop framework compatible with a 4-20 mA HART loop protocol architecture when integrated into high-level control nodes. High-integrity galvanic isolation blocks prevent field-side voltage spikes from breaching internal system processing backplanes. Individual channel-to-channel isolation parameters minimize stray current interference across parallel measuring loops, while internal conditioning arrays automatically balance temperature drift anomalies across terminal strip configurations to maintain high-resolution sensor operation.
Frequently Asked Questions
Q: What are the target shaft diameter and metallurgical requirements for this transducer?
A: The sensor loop requires a target composed of ferromagnetic steel, optimized for 42CrMo4 or AISI 4140 compositions. The installation zone must provide a minimum shaft diameter of 25 mm to prevent edge effects from distorting the sensitivity profile.
Q: How does the CON021 converter process different electrical output parameters?
A: The converter changes its scaling based on terminal block connections. It provides an output scale of -4 VDC to -20 VDC or -2 VDC to -18 VDC depending on the applied negative DC voltage supply infrastructure.
Field Installation Guidelines
Mount the CON021 signal converter directly to a standard DIN rail inside a dry control cabinet to satisfy the IP20 entry criteria. Thread the 10 mm probe into a rigid bracket mount to suppress structural resonance within the active operating frequency bands of the machine. Set the initial mechanical air gap at 1.0 mm using a non-magnetic thickness gauge before engaging loop supply voltages. Route all PTFE-insulated armored extension cables through grounded steel conduits, maintaining a bend radius above 35 mm. Ground the cable shield wire exclusively at the instrument panel chassis ground bar, and keep the probe head isolated from the machine ground to suppress earth loops.