Description
Description
The Bently Nevada 3500/53 133388-01 is an electronic overspeed detection module designed for the 3500 Series Machinery Detection System. This module provides a highly reliable, fast-response, redundant tachometer system specifically engineered for overspeed protection applications. It is designed to comply with American Petroleum Institute (API) Standards 670 and 612. The 3500/53 modules can be configured to form 2-out-of-2 or 2-out-of-3 (recommended) voting systems, requiring a 3500 rack equipped with redundant power supplies.
Features
- Redundant tachometer architecture for critical machinery protection.
- Fast response time for emergency shutdown (ESD) applications.
- Configurable for 2-out-of-2 or 2-out-of-3 voting logic.
- Designed to meet API 670 and 612 overspeed protection requirements.
- Integrated buffered output for signal testing and recording.
Applications
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Power Generation: Large turbine power generation units in thermal, nuclear, and combined cycle power plants.
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Oil & Gas: Refineries, LNG stations, and critical chemical plant rotating equipment.
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Industrial: High-speed rotating equipment including blast furnace blowers, large electric motors, generators, and fans.
Technical Specifications
| Model |
3500/53 133388-01 |
| Input Impedance |
20 kOhm |
| Output Impedance |
550 Ohm |
| Power Consumption |
8.0 Watts |
| Operating Voltage |
24 VDC |
| Operating Temperature |
-30 degC to +65 degC |
| Storage Temperature |
-40 degC to +85 degC |
| Humidity |
95%, non-condensing |
Installation Guidelines
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Safety First: Always power down the 3500 rack before inserting or removing any module to prevent electrical damage or unintended system trips.
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ESD Handling: Use proper electrostatic discharge (ESD) grounding procedures when handling the module to protect sensitive internal circuitry.
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Wiring: Connect transducer signals (proximity probes or magnetic pickups) to the designated I/O module terminals. Ensure relay output wiring to the ESD system is secure and verified.
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Signal Routing: Route signal cables away from high-EMI sources to maintain measurement integrity.
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Rack Seating: Ensure the module is fully seated and the front panel screws are tightened to maintain proper ground connection and mechanical stability.
FAQs
What is the 3500/53 133388-01?
The Bently Nevada 3500/53 133388-01 is an electronic overspeed detection module used to protect rotating machinery by monitoring speed and initiating shutdowns.
What does the 3500/53 module do?
It provides critical overspeed protection and monitoring for machinery, ensuring that if speed thresholds are exceeded, the system initiates a protective trip to prevent mechanical damage.
What are the key features of the 133388-01?
This module is part of the 3500 series, designed to meet API 670 and 612 standards for machinery protection. It features programmable alarm and trip setpoints.
