Bently Nevada 136483-01

Description

Channel & Signal Input/Output Specifications

• Independent Analog Channels: 4 configurable isolated channels (input/output selectable)
• Supported Signal Type: Standard isolated 4–20 mA DC current loop signal
• Full Scale Measurement Range: 4–20 mA DC
• Input Impedance: 250 Ω for current loop
• Isolation Voltage Rating: 1500 Vrms between field circuits and system internal circuits
• Measurement Accuracy: ±0.25% full scale range typical, ±0.33% maximum
• Signal Resolution: Up to 20,000 counting units over full signal span
• Minimum Configurable Signal Span: ≥2 mA DC
• Response Time: ＜1 ms signal response speed
• Sampling Rate: Continuous synchronous real-time sampling

Alarm & Functional Specifications

• Independent programmable ALERT early warning threshold for each channel process parameter
• Independent programmable DANGER interlock shutdown threshold for monitored parameters
• Automatic sensor fault detection: Signal open circuit, short circuit, loop current abnormal diagnosis
• Built-in BYPASS maintenance bypass function for on-site debugging
• Peak value holding and historical data recording function

Electrical System Specifications

• Operating Power Supply: Powered by 3500 system chassis backplane power supply, nominal 24 VDC
• Maximum Current Consumption: 10 mA
• Total Power Consumption: ≤10 W
• Communication Mode: Internal backplane bus communication with 3500 main system
• Status Indication: Independent OK, ALERT, DANGER, BYPASS LED indicators for module status
• Matching Main Module: 3500/62 Process Variable Monitor Module

Mechanical & Physical Specifications

• Module Overall Dimensions: 241.3 mm × 24.4 mm × 99.1 mm
• Net Weight: 0.44 kg
• Housing Material: Industrial metal shielding shell, anti-interference and anti-corrosion
• Termination Structure: External pluggable terminal connection (136483-01 exclusive configuration)
• Installation Mode: Standard plug-in slot mounting for 3500 system chassis
• Maintenance Feature: Hot-swappable field replaceable design

Environmental Specifications

• Operating Temperature: -40 °C to +85 °C
• Storage Temperature: -50 °C to +90 °C
• Relative Humidity: 5%–95% non-condensing
• Anti-interference Performance: Fully complies with industrial EMC electromagnetic compatibility standards
• Protection Performance: Dust-proof, moisture-proof and vibration-resistant for harsh industrial sites

Certifications & Compliance

• API 670 Machinery Protection Standard Compliance
• CE Industrial Safety Certification
• CSA Certification
• Support TMR Triple Modular Redundant System Operation
• RoHS Lead-Free Compliance

Core Functional Features

1. Full Galvanic Isolation Design

   1500 Vrms high-voltage isolation between field signals and system circuits, completely suppresses industrial common-mode interference and ground loop noise, greatly improves signal stability and system safety.
2. 4-Channel Isolated 4–20 mA Specialized Interface

   Dedicated for standard industrial current loop sensors, supports flexible input/output configuration for each channel, perfectly matches temperature, pressure, flow, liquid level and vibration transmitter signals.
3. External Terminal Wiring Exclusive Structure

   Adopts external pluggable terminal blocks instead of internal terminals, convenient on-site wiring, maintenance and fault checking.
4. High Precision & Fast Response Performance

   ±0.25% full scale accuracy and＜1 ms ultra-fast response, accurately captures dynamic changes of process parameters.
5. Hierarchical Independent Alarm Protection Logic

   Separate ALERT early warning and DANGER interlock settings for each process parameter, realizes graded over-limit protection and equipment safety interlock.
6. Complete Online Fault Diagnosis Mechanism

   Automatically identifies current loop open circuit, short circuit, signal abnormal and module fault status, outputs visual fault indication and system alarm information.
7. Full TMR Redundant System Compatibility

   Supports triple modular redundant voting configuration, eliminates single-point failure risk, meets high-reliability key protection occasions.
8. Hot-Swappable Easy Maintenance Design

   Online pluggable module structure, completes fault replacement without system shutdown, greatly improves on-site maintenance efficiency.
9. Seamless System Integration & API 670 Compliance

   Directly matches 3500/62 main module and whole 3500 system; fully complies with international rotating machinery protection specifications, suitable for formal project acceptance and OEM factory matching applications.

Main Application Scenarios

• Power plant steam turbines, gas turbines and generator unit auxiliary process parameter monitoring
• Petrochemical centrifugal compressors, process compressors temperature, pressure and flow monitoring
• Large industrial oil pumps, water pumps, fans and high-speed motors process parameter monitoring
• Offshore oil & gas platform rotating production equipment process monitoring
• Chemical processing plant temperature, pressure, liquid level and flow monitoring
• Machinery predictive maintenance and equipment health management systems
• All industrial occasions requiring API 670 standard process parameter safety protection

Part Number Definition

• 136483-01: Official dedicated part number for 3500/62 Isolated 4–20 mA Analog Process Variable I/O Module with External Terminations
• Exclusive matching: 3500/62 Process Variable Monitor Main Module
• Isolated current loop I/O, external terminal configuration