The PR6423/000-030 + CON021 is a field-ready sensor kit that combines an EPRO eddy-current proximity probe (PR6423/000-030) with the versatile CON021 signal conditioner to produce clean, isolated analog outputs for protection relays, PLCs and DCS inputs. Designed for machinery protection and condition monitoring, PR6423/000-030 + CON021 fits into control cabinets or small instrument junction boxes and is often stocked with ABB DO810 and ABB I/O modules as part of comprehensive industrial automation spare parts inventories. Many maintenance teams find the kit ideal when they need a compact, high-bandwidth measure-and-convert solution without adding gateway complexity to mixed-vendor systems such as ABB AC 800M-based control islands.
Because the probe is non-contact, it tolerates small axial and radial motion while delivering excellent linearity across a usable gap. In practice, technicians mount the probe on a rigid bracket beside the bearing housing and secure the CON021 inside the nearest cabinet to preserve signal fidelity. For example, during a weekend turbine check, crews replaced a failed probe and converter with a pre-tested PR6423/000-030 + CON021 pair and restored machine monitoring before the Monday shift change. Xiamen Xiongba E-commerce Co., Ltd. Branch supports procurement with pre-shipment testing and serial-number traceability, helping teams reduce lead-time risk when they buy distributed control system parts.
| Parameter | Value |
|---|---|
| Product Model | PR6423/000-030 + CON021 |
| Manufacturer | EPRO |
| Product Type | Eddy-current proximity probe + signal conditioner kit |
| Power | CON021: 24 VDC nominal (range depends on variant) |
| Communication / Protocol | Analog conditioned outputs (0–10 V, ±V or 4–20 mA selectable) |
| Operating Temperature | Probe: -40 °C to +150 °C (probe variant dependent); Converter: -20 °C to +70 °C |
| Mounting | Probe: stud or clamp mount; Converter: panel/DIN or screw-mount bracket |
| Protection / Ingress | Probe: weather/industrial-rated per probe choice; Converter: IP20 module (use enclosure for protection) |
| Dimensions (HxWxD) | Probe: cylindrical tip Ø ~8–12 mm × length per model; Converter: ~86 × 57 × 40 mm (typical) |
| Weight | Combined: ~0.12–0.3 kg (depending on cable & bracket) |
| Typical Interfaces | Lemo-style probe connector to CON021; screw terminals for power and analog output |
| Compliance | CE, RoHS (verify certificates per order) |

(Confirm final ordering code and exact electrical ratings from your procurement record before installation.)
The PR6423/000-030 + CON021 kit delivers precise, repeatable non-contact displacement measurement with industrial-grade signal conditioning. First, the PR6423 probe provides wide bandwidth and linear response across the sensing gap, which preserves amplitude and phase information critical for vibration analysis. Second, the CON021 converts the raw probe signal into stable, isolated outputs with selectable ranges, filtering and fast transient response—so host systems receive clean inputs suitable for protection logic and spectral diagnostics. Together, they reduce false trips and improve detection sensitivity for early-fault signatures.
Maintenance teams gain practical advantages: the probe’s quick-disconnect connector and the converter’s secure panel mounting allow same-shift swaps instead of extended bench troubleshooting. Additionally, the kit’s isolation and configurable outputs prevent ground loops from degrading low-level signals, which often plague long cable runs. In mixed-vendor environments the combination maps directly into ABB I/O modules or ABB AC 800M analog channels without protocol conversion, simplifying integration into existing distributed control system parts architectures. Reliability is enhanced by conservative component ratings and rugged mechanical choices, lowering lifecycle costs through fewer emergency replacements.
For procurement planners, stocking the PR6423/000-030 + CON021 reduces SKU proliferation—one probe+converter set covers multiple measurement points and analyzer needs. Lastly, diagnostics are straightforward: installers document sensing gap, converter gain and output range at commissioning so technicians can verify baseline values quickly during future inspections.
Power generation: install the PR6423/000-030 + CON021 on turbine journals and generator bearings to provide continuous displacement and vibration inputs for machine protection and predictive maintenance. Placing the converter close to the probe minimizes cable capacitance and preserves spectral content for accurate rotor diagnostics.
Oil & gas and petrochemical: fit the kit on compressor and pump skids to deliver isolated, conditioned signals into safety PLCs and asset-health platforms, reducing nuisance trips caused by noisy extension wiring and enabling higher-confidence trip-set decisions.
Water & wastewater: use PR6423/000-030 + CON021 to revive legacy monitoring on large pumps—technicians can reuse existing probe mounts while updating conditioning electronics to feed the DCS, thereby shortening outage windows and avoiding full-instrument replacements.
Metals and manufacturing: mount probes on high-speed spindles and heat-treatment lines; the pair provides the fidelity needed for spectral trending and fast-response protection that prevents catastrophic failure and reduces scrap rates.
Discrete manufacturing and HVAC: apply the kit to fan shafts and motor bearings to centralize condition data into the control room. Across these examples, PR6423/000-030 + CON021 solves common problems—noisy signals, mixed-sensor types and long lead times—by combining sensing and conditioning into one tested, ready-to-install unit that complements ABB DO810 and ABB I/O modules in mixed-vendor spare kits.
PR6423/000-040 — longer-range sensing tip for increased gap tolerance.
PR6423-HT — high-temperature probe variant for elevated ambient conditions.
CON031 — converter with alternate output scaling and connector options.
CON041 — extended-range converter for large-amplitude signals.
PR6425-xxxx — specialized probe family for extreme environments.
PR-KIT-CLAMP — probe mounting clamp and stud assembly.
CON021-HT — higher-temperature-rated CON021 converter variant.
Install the probe on a rigid, vibration-isolated bracket and mount the CON021 inside a properly rated enclosure to protect electronics. Measure and record the nominal sensing gap at installation; that baseline helps detect mechanical looseness or wear later. Route the Lemo-style cable with strain relief and keep converter wiring separated from high-power conductors to avoid EMI. Ground the cabinet at a single point and tie probe shields only at the panel to prevent ground loops.
For regular maintenance, document converter output range, probe serial and sensing gap in the CMMS. Perform visual connector checks, verify converter output against a calibrated reference, and capture spectral snapshots after service to detect gradual degradation. If intermittent noise persists after wiring and grounding checks, swap in a bench-tested PR6423/000-030 + CON021 spare to restore monitoring quickly and return the suspect pair for bench diagnosis. Use historian trends and event logs to schedule replacements proactively rather than reacting to sudden failures.
The PR6423/000-030 + CON021 is covered by a one-year warranty and free replacement service provided by Xiamen Xiongba E-commerce Co., Ltd. Branch (not the OEM). For warranty claims involving PR6423/000-030 + CON021, customers should contact Xiamen Xiongba with the purchase order and serial numbers; Xiamen Xiongba performs pre-shipment testing, datasheet verification, and serial-number traceability to confirm correct configuration before dispatch. The company will coordinate replacement logistics and advise on compatible refurbished or drop-in alternatives when originals are obsolete, helping to minimize plant downtime.