The Bently Nevada 3500/32-01-02 is a versatile 4-channel relay module designed for the 3500 Monitoring System. Each relay channel operates independently and can be programmed using AND/OR logic to perform voting and alarm functions. Engineers deploy multiple 3500/32-01-02 modules in racks to the right of the Rack Interface Module, enabling customized control logic for alarms and machinery protection.
This full-height module integrates robust SPDT relays configured as DPDT, supporting both normally energized and normally de-energized operations. Each relay comes with built-in arc suppression, ensuring long-term reliability under industrial loads.
Key Features
Provides four fully programmable relay outputs per module
Integrates Alarm Drive Logic for advanced alarm management
Supports AND/OR logic programming through 3500 Rack Configuration Software
SPDT relays configured as DPDT for flexible control
Arc suppression (250 Vrms) included for safe operation
Compatible with multiple 3500 rack configurations
Technical Specifications
Electrical & Inputs
| Parameter | Specification |
|---|---|
| Power Consumption | 6 W typical |
| OK LED | Indicates proper module operation |
| TX/RX LED | Flashes for communication between rack modules |
| CH ALARM LED | Illuminates when channel enters alarm state |
Relays
| Parameter | Specification |
|---|---|
| Type | Two SPDT relays in DPDT configuration |
| Environmental Sealing | Epoxy-sealed |
| Arc Suppressor | 250 Vrms standard |
| Contact Life | 100,000 cycles @ 5 A, 24 VDC / 120 VAC |
| Switch Operation | Configurable Normally Energized / Normally De-energized |
Contact Ratings
| Load Type | Max Power | Min Current | Max Current | Max Voltage |
|---|---|---|---|---|
| Resistive DC | 120 W | 10 mA @ 5 VDC | 5 A | 30 VDC |
| Resistive AC | 600 VA | 10 mA @ 5 VDC | 5 A | 250 VAC |
Environmental Limits
| Parameter | Specification |
|---|---|
| Operating Temp | -30°C to +65°C (-22°F to +150°F) |
| Storage Temp | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 95%, non-condensing |
Physical Dimensions & Weight
| Component | Dimensions (H × W × D) | Weight |
|---|---|---|
| Main Module | 241 × 24.4 × 242 mm (9.50 × 0.96 × 9.52 in) | 0.7 kg (1.6 lb) |
| I/O Module | 241 × 24.4 × 99.1 mm (9.50 × 0.96 × 3.90 in) | 0.4 kg (1.0 lb) |
Rack Space Requirements
Main Module: 1 full-height front slot
I/O Modules: 1 full-height rear slot
Application and Usage
The 3500/32-01-02 enables precise alarm control and system logic customization. Each relay output can handle high DC and AC loads safely, while programmable logic ensures adaptable responses to machinery conditions. Engineers rely on this module to implement complex alarm strategies in rotating machinery monitoring systems.
Origin, Size, and Weight
Origin: USA
Main Module Dimensions: 241 × 24.4 × 242 mm
Main Module Weight: 0.7 kg (1.6 lb)
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 241.3 × 24.4 × 241.8 mm |
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