Overview
The Bently Nevada 3500/33-01-CN 16-Channel Relay Module is a full-height relay output module for the 3500 Machinery Protection System. It provides 16 independently programmable relay outputs that can be configured for alarm annunciation, equipment shutdown, process control, and interlocking functions.
Installed in any available slot to the right of the 3500 Rack Interface Module (RIM) or Transient Data Interface (TDI), the module allows each relay to be individually programmed using 3500 Rack Configuration Software with configurable Alarm Drive Logic based on machine protection parameters.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model | 3500/33-01-CN |
| Product Type | 16-Channel Relay Module |
| System Compatibility | Bently Nevada 3500 Monitoring System |
| Number of Outputs | 16 programmable relay outputs |
| Relay Type | Standard relay output module |
| Module Height | Full-height |
| Programming | 3500 Rack Configuration Software |
| Alarm Logic | AND / OR voting logic |
| Typical Power Consumption | 5.8 W |
| Module Weight | Approximately 0.7 kg (1.6 lb) |
| Dimensions | 241 × 24.4 × 242 mm (9.50 × 0.96 × 9.52 in) |
Typical Applications
The 3500/33-01-CN is commonly used for:
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Machinery shutdown systems
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Alarm annunciation
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Turbine protection
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Compressor protection
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Pump protection
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Generator monitoring
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Process interlocking
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DCS and PLC interface signals
Typical industries include:
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Oil & Gas
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Power Generation
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Petrochemical
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Mining
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Marine
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Pulp & Paper
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Heavy Manufacturing
Key Features
16 Independent Relay Outputs
Each relay channel can be individually configured for different machine protection and control functions.
Programmable Alarm Drive Logic
Supports flexible AND and OR logic using:
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Alert alarms
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Danger alarms
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Not OK conditions
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Individual monitored variables
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Combined monitor channel conditions
Configuration is performed using 3500 Rack Configuration Software.
Flexible Rack Installation
Multiple 3500/33 modules may be installed within a single 3500 rack, allowing expansion of relay outputs as required.
Standard Relay Contacts
The 01 version uses standard silver relay contacts, suitable for general-purpose industrial switching applications. Low-current versions use gold-plated contacts.
Machinery Protection Integration
The module integrates directly with all standard 3500 monitor modules, including:
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Vibration monitors
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Thrust position monitors
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Temperature monitors
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Process variable monitors
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Speed monitors
Frequently Asked Questions
1. What does the 3500/33 module do?
It provides 16 programmable relay outputs for alarm, shutdown, and control functions within a Bently Nevada 3500 machinery protection system.
2. How many relay outputs are available?
The module provides 16 independently programmable relay channels.
3. What does "-01" indicate?
It designates the Standard 16-Channel Relay Output Module with standard relay contacts.
4. What does "CN" mean?
CN is not part of the standard published ordering guide. It generally identifies a China-specific or customer-specific configuration. The exact certification or documentation should be confirmed using the module nameplate or original purchase records.
5. Can each relay be programmed independently?
Yes. Every relay output can be individually configured with its own alarm drive logic using the 3500 Rack Configuration Software.
6. Can multiple relay modules be installed in one rack?
Yes. Multiple 3500/33 relay modules can be installed in available slots to expand the number of relay outputs.
7. Is this module suitable for safety shutdown systems?
Yes. It is commonly used for machinery protection and shutdown functions. For applications requiring failsafe relay operation, the 3500/33-02 model should be selected.
8. Which software is required for configuration?
Configuration is performed using Bently Nevada 3500 Rack Configuration Software.
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