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- Bently Nevada
- 3500/32M 149986-02
- 4-Channel Relay Module
- USA
- 241 mm × 24.4 mm × 242 mm
- 0.7kg
- Xiamen, China
- New & In Stock
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Product Overview
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Brand: Bently Nevada
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Series: 3500 Series Machinery Protection & Condition Monitoring System
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Model: 3500/32M 149986‑02
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Type: Four‑Channel Relay Output Module (Full‑Height)
Product Description
The 3500/32M 149986‑02 is a high-performance, full-height relay module designed for the 3500 rack-based protection system. It supplies four independent SPDT relay outputs, each configurable with “Alarm Drive Logic” using AND/OR voting logic via rack configuration software. This module is epoxy-sealed, features integrated arc suppression, and includes front-panel LEDs for real-time diagnostics—making it ideal for critical protection tasks under harsh conditions.
Applications
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Alarm and shutdown control for rotating machinery: turbines, compressors, and generators
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Safety logic implementation in petrochemical, power, and water treatment plants
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Automation logic for valve and pump control in industrial processing
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Protective relay outputs in harsh industrial or nuclear environments
Product Advantages
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Configurable Logic: Supports independent AND/OR voting logic per channel
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Embedded Arc Suppression: Rated up to 250 Vrms for enhanced electrical safety
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Diagnostic Feedback: LEDs to indicate module health, communications, and per-channel alarms
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Robust Design: Epoxy-sealed for protection in temperatures from –30 °C to +65 °C and high humidity environments
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Modular Expansion: Easily installed or replaced within the 3500 rack without disrupting operations
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/32M 149986‑02 |
| Relay Outputs | 4 SPDT relays, each independently configurable |
| Contact Life | ~100,000 cycles @ 5 A, 24 V DC or 240 V AC |
| Arc Suppressor | Built-in, up to 250 Vrms |
| LED Indicators | OK, TX/RX communication, channel alarms |
| Power Consumption | ~5.8 W typical |
| Operating Temperature | –30 °C to +65 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity Tolerance | Up to 95% non‑condensing |
| Dimensions (H × W × D) | 241 mm × 24.4 mm × 242 mm |
| Weight | ~0.7 kg |
Related or Similar Models (Same Series)
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| 3500/32 125712‑01 | Earlier four-channel relay output module | 241 × 24.4 × 99.1 | ~0.7 |
| 3500/33 | Sixteen-channel relay output module | Full-height format | ~1.2 |
| 3500/34 TMR | Triple-Modular Redundant (TMR) relay module | Larger size | ~1.3 |
| 3500/25M 149369‑01 | Enhanced Keyphasor module for phase reference | Compact size | ~0.43 |
| 3500/42M | Multi-channel vibration monitor module | Full-height format | ~0.9 |
Popular Models from the Same Brand
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| 3500/15 | Power input module (AC/DC) | 140 × 80 × 50 | ~0.4 |
| 3500/25 | Keyphasor phase synchronization module | 140 × 80 × 50 | ~0.5 |
| 3500/40M | Displacement/velocity monitoring module | 220 × 180 × 95 | ~1.2 |
| 3500/44M | Gas turbine vibration monitoring module | 260 × 258 × 240 | ~0.8 |
| 3500/53 | Overspeed detection module | 140 × 80 × 50 | ~0.5 |
Frequently Asked Questions (FAQ)
Q1: What is the primary role of the 3500/32M 149986‑02?
A1: It provides four independent, configurable relay outputs for protection logic in the 3500 system.
Q2: Can each relay output be programmed differently?
A2: Yes, each channel supports separate AND/OR alarm logic.
Q3: What is the life expectancy of the relay contacts?
A3: Rated for approximately 100,000 cycles at full load.
Q4: Does it include arc protection?
A4: Yes—built-in arc suppression rated up to 250 Vrms.
Q5: What diagnostic features are available?
A5: LEDs indicate module status, communication health, and channel-specific alarm conditions.
Q6: What are the operating environmental conditions?
A6: It operates reliably between –30 °C and +65 °C, and can be stored from –40 °C to +85 °C at up to 95% humidity non-condensing.
Q7: What is its typical power consumption?
A7: Approximately 5.8 W under normal usage.
Q8: Where is this module installed in the 3500 rack?
A8: In a full-height slot right of the Transient Data Interface.
Q9: Can multiple modules be installed in the same rack?
A9: Yes—modules can be added for expanded relay output configurations.
Q10: What are the physical dimensions and weight?
A10: Measures about 241 × 24.4 × 242 mm and weighs around 0.7 kg.
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