Description
Bently Nevada 3500/33-01-00 16-Channel Relay Module Technical Overview
1. Product Details
- Core Composition: A full-height 16-channel relay module belonging to the Bently Nevada 3500 Machinery Protection System, assembled from the main control board 149986-01 and the matching I/O termination board 149992-01.
- Physical Parameters: Dimensions 241 mm × 24.4 mm × 99.1 mm, net weight 0.4 kg, epoxy-sealed for harsh industrial environments, with a 12-month official warranty.
- Electrical Specs: Typical power consumption 5.8W, maximum switched current 5A, maximum switched voltage 30 Vdc, SPDT (Single Pole Double Throw) relay contact configuration.
2. Primary Applications
- Rotating Equipment Protection: Deployed on turbines, compressors, pumps and other critical rotating machinery to control alarm and interlock trip signals.
- Industrial Scenarios: Widely used in petrochemical, power generation, metallurgy and other heavy industries, integrated into safety and automation systems for critical process control.
- System Integration: Installed in any slot on the right side of the TDI module in the 3500 rack, compatible with all 3500 series monitoring units.
3. Series Model Variants
- Standard Configurations: 3500/33-01-00, 3500/33-01-00-CN, 3500/33-02-00, 3500/33-03-00, 3500/33-04-00.
- I/O Terminal Options: Non-isolated internal terminals, isolated external terminals, intrinsically safe barrier terminals for different field wiring and hazardous area requirements.
- Channel Expansion Options: Supports 16 independent relay outputs, allowing multiple modules to be stacked in one rack to expand the total number of interlock points.
4. Core Features
- Independent Programmability: Each of the 16 relay outputs can be individually configured to execute custom voting logic via the 3500 rack configuration software.
- Built-in Alarm Drive Logic: Integrated AND/OR logic programming for alarm and danger status signals from any monitoring channel or channel combination in the rack.
- Long Service Life: Relay contact life reaches 100,000 operating cycles, with front-panel LED indicators for real-time module and channel status visualization.
5. Main Functions
- Alarm Signal Output: Activates corresponding relays based on system preset alarm conditions, sending status signals to external DCS, PLC or annunciator systems.
- Interlock Trip Control: Executes customized protection logic to trigger equipment shutdown when abnormal parameters exceed safety thresholds, preventing costly mechanical damage.
- Status Feedback: Transmits real-time relay working status back to the 3500 system and linked System 1 condition monitoring platform for proactive maintenance management.
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