Bently Nevada 330104-00-14-05-02-00 Proximity Probe for 3300 XL
The Bently Nevada 330104-00-14-05-02-00 is an 8mm eddy-current proximity probe engineered for seamless system integration within the 3300 XL Series machinery protection and condition monitoring architecture. Rather than functioning as a standalone sensing element, this probe is designed from the ground up to operate as a precision front-end component within a layered, multi-tier industrial automation system — delivering reliable radial vibration, axial position, and speed signal acquisition that feeds directly into the broader control and protection hierarchy.
In modern rotating machinery protection environments, signal integrity at the sensing layer is the foundation upon which every upstream decision — from alarm annunciation to emergency shutdown — depends. The 330104-00-14-05-02-00 addresses this requirement by providing a calibrated, thermally stable output that integrates without signal conditioning compromise into the 3300 XL proximitor/driver ecosystem, ensuring that the control layer receives clean, consistent data regardless of ambient temperature variation, electromagnetic interference, or mechanical vibration at the installation point.
Product Specification Table
| Parameter |
Specification |
| System Role |
Front-End Vibration / Position Sensing (I/O Layer) |
| Probe Diameter |
8 mm |
| Cable Length |
14 inches (integral) |
| Extension Cable |
05 (5-foot extension) |
| Driver/Proximitor |
02 (3300 XL Series compatible) |
| Sensing Technology |
Eddy-Current (Non-Contact) |
| Measurement Type |
Radial Vibration, Axial Position, Speed |
| Output Signal |
-200 mV/mil (linear range) |
| Operating Temperature |
-35°C to +177°C |
| Target Material |
Steel / Stainless Steel (AISI 4140 reference) |
| Communication Compatibility |
3300 XL Proximitor/Driver, System 1 Software |
| Installation Environment |
Hazardous Area (ATEX / IECEx rated series) |
| system integration |
Full — native 3300 XL rack and System 1 platform |
| Warranty |
warranty terms confirmed during quotation (ZYPLC) |
| Origin |
United States |
System Compatibility Notes
The 330104-00-14-05-02-00 probe achieves its full performance potential only when deployed within a coordinated 3300 XL system architecture. At the signal acquisition layer, the probe pairs directly with the Bently Nevada 330180-91-00 proximitor/driver, which conditions the raw eddy-current signal into a calibrated voltage output suitable for rack-level processing. This driver-probe pairing is the critical first link in the signal chain and must be matched by series and gap voltage specification to maintain measurement linearity across the full operating range.
At the rack and backplane layer, the conditioned signal feeds into the 3300/16 Dual Voting Logic or 3300/20 Four-Channel Monitor modules housed within the 3300 XL Rack — a modular, DIN-rail or panel-mount enclosure that provides the structural and electrical backbone for the entire protection system. The rack’s internal communication bus ensures that vibration data from multiple probe channels is synchronized and available to the system processor without latency-inducing external wiring.
For plants operating redundant protection architectures — common in turbine, compressor, and pump trains in petrochemical and power generation facilities — the 330104-00-14-05-02-00 can be deployed in dual-probe configurations alongside the Bently Nevada 330103-00-08-10-02-00 (5mm variant) or a second 8mm probe on the opposing radial axis, feeding into the 3300/55 Keyphasor Module for phase-referenced vibration analysis. This redundancy ensures that a single probe failure does not result in a protection gap or unplanned shutdown.
At the network and data layer, the 3300 XL system communicates with plant-level SCADA and DCS platforms — including Emerson DeltaV and Honeywell Experion PKS — via the 3300/93 Communication Gateway, which supports Modbus RTU, Modbus TCP, and OPC-DA protocols. This gateway enables the vibration and position data acquired by the 330104-00-14-05-02-00 to be surfaced in real time on operator HMI screens, historian databases, and condition monitoring dashboards without requiring proprietary software at every integration point.
At the human-machine interface layer, operators interact with the system through Bently Nevada System 1 Software, which provides trend analysis, alarm management, and predictive maintenance workflows based on the continuous data stream originating at the probe. The software’s system integration framework allows maintenance engineers to correlate vibration signatures from the 330104-00-14-05-02-00 with process variables — temperature, flow, pressure — sourced from the DCS, enabling root-cause analysis without leaving the condition monitoring environment.
Power supply integrity for the 3300 XL rack is maintained by dedicated 3300/05 Power Supply Modules, which provide regulated, isolated DC power to all monitor and communication modules. In critical applications, dual redundant power supplies with automatic failover ensure that a power supply fault does not interrupt protection coverage — a requirement mandated by API 670 for machinery protection systems on critical rotating equipment.
Industrial Application Notes
Power Generation: In gas turbine and steam turbine protection systems, the 330104-00-14-05-02-00 is installed on the turbine shaft to monitor radial vibration and axial displacement. The probe’s high-temperature tolerance and ATEX-rated construction make it suitable for installation in the hot section bearing housings of Frame 5, Frame 6, and Frame 7 class turbines. Vibration data feeds directly into the 3300 XL rack, which executes voting logic to initiate emergency shutdown if vibration exceeds API 670 trip setpoints — protecting the turbine from catastrophic bearing failure.
Petrochemical and Refining: Centrifugal compressors in ethylene, ammonia, and LNG plants operate continuously at high speeds under process-critical conditions. The 330104-00-14-05-02-00 provides the real-time shaft vibration data required to detect surge precursors, rotor imbalance, and bearing wear before they escalate to forced outages. Integration with the plant DCS via the 3300/93 gateway allows the compressor protection system to coordinate with anti-surge control loops, ensuring that protection actions do not conflict with process control responses.
Water and Wastewater Treatment: Large centrifugal pumps and blowers in municipal water treatment facilities benefit from continuous vibration monitoring to extend mean time between failures and reduce unplanned maintenance costs. The 330104-00-14-05-02-00’s non-contact sensing principle eliminates wear-related drift, ensuring that alarm setpoints remain valid over multi-year service intervals without recalibration — a significant operational advantage in facilities with limited maintenance staffing.
Mining and Minerals Processing: Ball mills, SAG mills, and large conveyor drive systems in mining operations are subject to high vibration environments that challenge conventional sensor technologies. The eddy-current principle of the 330104-00-14-05-02-00 is immune to acoustic noise and mechanical shock, making it well-suited for monitoring the main drive shaft bearings of grinding mills where vibration amplitudes can be an order of magnitude higher than in turbomachinery applications.
Metallurgy and Steel Production: Rolling mill drives and continuous casting equipment require precise axial position monitoring to maintain product dimensional tolerances. The 330104-00-14-05-02-00’s linear output characteristic and stable gap voltage performance enable accurate thrust position measurement on the main roll drive shafts, with the 3300 XL system providing the alarm and shutdown logic that protects the thrust bearings from overload conditions.
Product Compatibility FAQ
Q1: Is the 330104-00-14-05-02-00 compatible with both the 3300 XL rack system and the older 3300 Series monitors?
The 330104-00-14-05-02-00 is specifically calibrated and coded for the 3300 XL Series proximitor/driver (driver code 02). While the physical connector and cable configuration may appear similar to earlier 3300 Series probes, the gap voltage calibration and sensitivity specification are optimized for the 3300 XL driver electronics. Using this probe with non-XL drivers may result in measurement errors and is not recommended without verifying the driver’s input specification against the probe’s output curve. Always confirm driver compatibility using the Bently Nevada probe/driver selection matrix before installation.
Q2: What installation and commissioning steps are required to integrate this probe into an existing 3300 XL architecture?
Commissioning the 330104-00-14-05-02-00 requires setting the probe gap to the manufacturer-specified voltage (typically -10.0 VDC ±0.5 VDC for steel targets) using a calibrated gap-setting tool and a precision DC voltmeter. The extension cable (330130-080-00-00 or equivalent) must be routed in a dedicated conduit separated from power cables to prevent electromagnetic interference. After physical installation, the System 1 software channel configuration must be updated to reflect the probe’s sensitivity (200 mV/mil), gap voltage, and alarm setpoints per API 670 requirements. A full channel verification — including static calibration check and dynamic signal verification at operating speed — should be completed before the machine is returned to service.
Q3: What does the warranty terms confirmed during quotation cover, and how does ZYPLC support long-term spare parts availability for 3300 XL architecture components?
ZYPLC’s warranty terms confirmed during quotation covers the 330104-00-14-05-02-00 against manufacturing defects, calibration drift beyond specification, and premature failure under normal operating conditions from the date of shipment. In the event of a warranty claim, ZYPLC provides advance replacement to minimize machine downtime — a critical consideration for protection system components where extended lead times can delay return-to-service. Beyond the warranty period, ZYPLC maintains a dedicated inventory of 3300 XL Series components — including proximitor/drivers, extension cables, monitor modules, and rack assemblies — to support long-term spare parts programs for plants committed to the 3300 XL architecture. Contact our technical team at plc.sales@zyplc.com or +86 19859288691 to discuss consignment stock arrangements or multi-year supply agreements.