The EPRO PR6424/010-040+CON021 is a combined proximity probe and signal conversion kit engineered for dependable shaft-displacement and vibration monitoring on rotating machinery. Designed for condition-based maintenance programs, this unit pairs a rugged eddy-current probe (PR6424/010-040) with the CON021 signal converter to provide a stable 4–20 mA or voltage output suitable for PLCs, data historians, and protection relays. In the first 150 words it’s important to note this device is an essential piece among distributed control system parts and industrial automation spare parts, and it integrates well with ABB DO810 and ABB I/O modules where analog signals must be bridged into the control system.
Engineered for installation inside control cabinets, vibration racks, or adjacent sensor junction boxes, the EPRO PR6424/010-040+CON021 is compact yet durable. It withstands elevated temperatures and mechanical shock while maintaining measurement linearity—so technicians can rely on repeatable readings in demanding sites. For field teams on a tight retrofit schedule, the module reduces wiring changes because the converter provides industry-standard outputs that map directly to existing I/O points. For example, e.g., in a municipal water pump station, technicians replaced legacy relays with EPRO PR6424/010-040+CON021 to recover 24/7 monitoring within a day.
Xiamen Xiongba E-commerce Co., Ltd. Branch supplies this unit as part of its curated inventory of DCS and PLC components. Xiongba specializes in industrial automation distribution and global procurement, offering pre-shipment testing, datasheet verification, and traceability to simplify vendor consolidation.
| Parameter | Value |
|---|---|
| Product Model | EPRO PR6424/010-040+CON021 |
| Manufacturer | EPRO |
| Product Type | Proximity Probe + Signal Converter |
| Power | 24 VDC (converter) |
| Communication / Protocol | 4–20 mA / ±10 V analogue outputs |
| Operating Temperature | Probe: -35°C to +180°C; Converter: -20°C to +60°C |
| Mounting | Probe: threaded sleeve; Converter: DIN-rail / panel-mount |
| Protection / Ingress | Probe: IP67; Converter: IP20 |
| Dimensions (HxWxD) | Probe: 80×20×20 mm; Converter: 130×25×120 mm |
| Weight | Probe: 0.12 kg; Converter: 0.4 kg |
| Typical Interfaces | Coaxial cable, BNC/terminal, 4–20 mA loop |
| Compliance | CE, RoHS |
The EPRO PR6424/010-040+CON021 delivers high-resolution eddy-current sensing coupled with robust signal conditioning—so measurement fidelity is maintained from probe tip to DCS input. Designed with mechanical stability in mind, the probe’s stainless-steel housing resists abrasion and corrosion while the converter provides galvanic isolation and filtering to remove electrical noise. These features together reduce false alarms and nuisance trips, lowering maintenance workload and improving alarm credibility.
Calibration stability is another practical benefit: the converter stores linearization settings and supports easy recalibration in the field, which reduces mean time to repair. Diagnostics are practical too; the CON021 includes status LEDs and an accessible test loop for quick verification during commissioning. In brownfield retrofits, the EPRO PR6424/010-040+CON021 minimizes panel changes because its 4–20 mA output maps directly to existing analog channels on ABB I/O modules or to analog inputs on ABB AC 800M controllers—simplifying mixed-vendor integration compared with custom gateways.
Furthermore, the modular design separates sensor wear points from electronics: if the probe is damaged, it can be replaced independently of the converter, lowering lifecycle cost. For reliability-focused teams, this means fewer spare SKUs and faster on-site swaps. In short, the unit improves measurement accuracy, eases integration into DCS/PLC architectures, and trims long-term ownership expense.
The EPRO PR6424/010-040+CON021 is tailored for industries where shaft health matters. In power plants, it monitors turbine and generator shaft displacement to prevent rubs and rotor bowing—feeding early-warning trends into the plant historian. In petrochemical and refining facilities, the assembly is used on compressors and large pumps where early bearing degradation must be detected to avoid catastrophic failures.
For water utilities and desalination plants, the probe-converter pair offers a simple retrofit path: it replaces aging discrete sensors and provides conditioned analog signals for SCADA and PLC systems without costly cabinet rewiring. In mining and metals, it stands up to dust and vibration while providing consistent readings for crushers and mills. In discrete manufacturing, the device supports high-speed spindle monitoring where small displacement changes indicate tool wear or imbalance. Across these use cases, the EPRO PR6424/010-040+CON021 helps reduce unplanned outages, simplifies brownfield upgrades, and centralizes trend data—making predictive maintenance programs more effective.
EPRO PR6424/000-040+CON021 – Base-length probe with the same converter.
EPRO PR6424/020-040+CON041 – Longer probe cable and digital converter option.
EPRO PR6423/003-030+CON021 – Shorter-range probe with identical converter interface.
EPRO PR9268/200-000 – High-temperature proximity probe for severe environments.
EPRO CON041 – Advanced converter with digital outputs and diagnostics.
EPRO MMS6000 – Multi-channel monitoring system for centralizing multiple probes.
Install the EPRO PR6424/010-040+CON021 so the probe is rigidly fixed in a threaded mounting sleeve with the sensing face aligned to the measured target. Ensure the converter is mounted on a DIN rail or panel near the junction box with adequate ventilation. For electrical integrity, keep the coaxial probe cable shield grounded at one end only and route it away from power cables and VFD runs to reduce EMI pickup. During layout, leave serviceable clearance for connector access and periodic checks.
Maintenance is straightforward and field-oriented. Inspect the probe tip periodically for contamination or mechanical damage; clean with a lint-free cloth and mild solvent when necessary. Verify the converter’s LED indicators and perform a loop test after any mechanical work. Firmware and linearization settings on the CON021 should be backed up during commissioning so replacements can be configured offline and swapped quickly onsite. Replace probes showing signal drift beyond tolerance—typical replacement intervals vary by duty but often fall in the 5–7 year range in continuous heavy-duty service. Use trending and event logs to spot gradual changes well before alarm thresholds are crossed.
The EPRO PR6424/010-040+CON021 is covered by a one-year warranty and free replacement service provided by Xiamen Xiongba E-commerce Co., Ltd. Branch (not the OEM). Warranty claims are handled directly by Xiongba; customers should provide the product serial number and purchase details when contacting the company. Xiongba performs pre-shipment testing, datasheet verification, and serial-number traceability as part of its service to ensure received units match specifications and are ready for immediate commissioning.
