Product Short Description
This module receives non-contact eddy current proximity probe signals, completes professional signal conditioning, dual galvanic isolation, filtering, linearization and measurement calculation. It realizes real-time monitoring of radial shaft vibration and axial thrust position, supports programmable alarm/danger setpoints, outputs standard 4–20 mA analog signals and relay alarm signals. It integrates complete self-diagnosis, NOT OK fault detection and failsafe protection functions. It fully complies with API 670 international machinery protection standards, adopts compact wall-mounted/din-rail rugged industrial structure, high-voltage galvanic isolation circuit and stable anti-interference hardware.
Description
Basic Identification Parameters
- Brand: Bently Nevada
- Part Number: 170190-01E
- System Series: FieldMonitor 1701 Series
- Matching Model: 1701/15 Proximitor Monitor
- Product Type: 2-Channel Galvanic Isolated Proximitor Input Monitor
- Origin: United States
- Product Weight: 1.0 kg
- Factory Warranty Period: 12 months original factory warranty
- Overall Dimensions: 160 mm × 120 mm × 55 mm
- Mounting Mode: Standard 35 mm DIN rail mounting / wall screw mounting
- Protection Grade: IP20
- Certifications: CE, UL, CSA, ATEX/IECEx Hazardous Area Certification, API 670 Compliant
Electrical Specifications
- Rated Operating Power Supply: 24 V DC nominal (18–36 V DC wide input range)
- Total Power Consumption: ≤3.5 W
- Input Channel Quantity: 2 independent fully galvanic isolated proximitor input channels
- Isolation Voltage Rating: 2500 Vrms dual galvanic isolation (channel-to-channel & channel-to-power/system)
- Input Signal: Dynamic gap voltage signal from Bently Nevada 3300 XL/NSv proximity probe systems
- Output Signal 1: Standard industrial 4–20 mA DC analog output (proportional to vibration/thrust displacement)
- Output Signal 2: Independent SPDT relay alarm/danger contact output
- Measurement Accuracy: ±0.5% Full Scale
- Loop Resistance Allowance: ≤500 Ω for 4–20 mA output
- Signal Response Time: <10 ms
- Terminal Connection: Pluggable anti-loosening green screw terminals
Measurement & Frequency Specifications
- Compatible Probe System: Bently Nevada 3300 XL / 3300 NSv series proximity probes & extension cables
- Proximity Linear Measurement Range: 0.25 mm – 1.65 mm
- Vibration Frequency Response Range: 10 Hz – 1000 Hz, ±3 dB tolerance
- Vibration Measurement Range: 0–5 mm/s peak velocity / 0–200 μm peak-to-peak displacement
- Thrust Position Measurement Range: Full linear travel of proximity probe
- Built-in Filter: Configurable high-pass/low-pass anti-interference filters
Environmental Specifications
- Operating Temperature Range: -40 ℃ to +70 ℃
- Storage Temperature Range: -40 ℃ to +85 ℃
- Operating Humidity: 5%–95% RH, non-condensing
- Shock Resistance: 10 g peak anti-vibration performance
- Electromagnetic Compatibility: Fully meets industrial EMC anti-interference standards, adapts to high EMI industrial sites
Core Functional Features
- Dual Channel Full Galvanic Isolation Design
2-channel complete galvanic isolation structure, thoroughly eliminates ground loop interference, common-mode noise and surge damage between channels and system power supply.
- Integrated Proximitor Signal Processing
Built-in high-precision conditioning, amplification, filtering and linearization circuits, directly processes proximity probe raw signals without external proximitor modules.
- Dual Parameter Monitoring Support
Two channels can be independently configured for radial shaft vibration monitoring or axial thrust position monitoring, realizing comprehensive shaft health detection.
- Programmable Dual-Level Alarm Logic
Supports independent configuration of alert alarm setpoints and danger trip setpoints via on-site adjustment or configuration software, with independent relay output for each level.
- Standard 4–20 mA Analog Output
Directly outputs industry-standard current signals, seamlessly integrates with PLC, DCS, SCADA and local display instruments.
- Complete Embedded Self-Diagnosis Function
Automatic detection of probe disconnection, poor contact, signal loss and module internal faults; outputs NOT OK status and enters failsafe state under abnormal conditions.
- Independent Standalone Operation Architecture
Does not depend on 3500 system main rack, supports decentralized independent on-site monitoring, suitable for small and medium-sized rotating machinery independent protection.
- Compact DIN Rail Mounting Structure
Small size, easy installation and maintenance, adapts to limited on-site installation space.
Applicable Application Scenarios
- Power generation industry: Small gas turbines, auxiliary pump units, generator auxiliary machinery
- Petroleum & petrochemical industry: Process pumps, small centrifugal compressors, fans, offshore platform auxiliary rotating equipment
- Chemical industry: High-speed pump units, small compressors, gearbox equipment
- Metallurgy, cement & mining industry: Grinding mills, small fans, heavy rotating auxiliary machinery
- Water conservancy & wastewater treatment: Large circulating pumps, vertical turbine pump units
- Marine industry: Ship auxiliary rotating machinery and power equipment
- Hazardous area industrial sites with ATEX/IECEx certification requirements
- OEM machinery manufacturing and on-site decentralized predictive maintenance monitoring systems
System Compatibility
- Fully compatible with Bently Nevada 3300 XL / 3300 NSv series proximity probes and extension cables
- Works independently without 3500 series main rack system
- Seamlessly connects to PLC, DCS, SCADA, local display instruments and upper computer monitoring platforms
- Compatible with FieldMonitor series configuration and diagnostic software
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