Electronic Overspeed Detection System | 3500/53M 286566-01 | Bently Nevada

Technical Specifications

The Bently Nevada Electronic Overspeed Detection System for the 3500 Series Machinery Detection System provides a highly reliable, fast response, redundant tachometer system intended specifically for use as part of an overspeed protection system. It is designed to meet the requirements of American Petroleum Institute (API) Standards 670 and 612 pertaining to overspeed protection.

Features

Ultra-fast response time: In the event of mechanical overspeed, the module can react in milliseconds (less than 30 milliseconds above 300 Hz) and trip the relay to prevent catastrophic mechanical accidents.

Status indicators (LEDs): The panel integrates an OK indicator (module normal), TX/RX (communication status), Bypass (bypass status), Test Mode, and Alert/Danger indicators.

Buffered coaxial output: The module features a front-end coaxial interface with ESD and short-circuit protection for outputting unfiltered raw sensor waveform signals. This facilitates temporary dynamic calibration and fault diagnosis using portable instruments (such as vibration analyzers or oscilloscopes) in the field.

Installation and Configuration Requirements

Rack Requirements: The module inserts directly into the standard slot of the Bently Nevada 3500 rack and must be powered by a 3500/15 redundant power supply module to ensure power continuity.

Rear I/O Module Compatibility: When using the module, appropriate I/O terminal modules (such as the 288062 series) must be used at the rear of the rack to connect to the field sensor armored cables and relay trip circuits.

Technical FAQ

Q: What is the power consumption and operating temperature range of the 3500/53M 286566-01 module?

A: The typical power consumption is 8.0 watts, and the operating temperature range is -40°C to +85°C.

Q: What is the function of the buffered output connector on the front panel of the 3500/53M 286566-01?

A: It provides unfiltered raw sensor signals from each channel, making it convenient to connect portable diagnostic instruments.

Q: What types of speed sensors can be connected to the 3500/53M 286566-01?

A: It supports 3300/7200 series eddy current proximity sensors as well as passive magnetic pickup sensors.

Q: What are the maximum speed measurement frequency and range supported by the 3500/53M 286566-01?

A: The maximum input frequency is 20 kHz, and the maximum measurable speed is 99,999 rpm.

Q: How can speed trigger thresholds be configured in the 3500/53M 286566-01?

A: Thresholds can be set using Auto mode (adaptive adjustment) or Manual mode within a range of +9.9 V to -23.9 V.

Q: What is the hardware trip response delay of the 3500/53M 286566-01 module?

A: Under high-frequency signal conditions (>300 Hz), the hardware trip response time is less than 30 milliseconds, typically within 15 milliseconds.

Q: Are your products brand new?
A: Yes. We only supply 100% original and brand-new products. All items are sourced through authorized channels and have never been used or refurbished.

Q: Why can customers buy with confidence?
A: Because every product is backed by our 1-Year Warranty Guarantee of Quality, ensuring reliability, customer satisfaction, and long-term support after delivery.

Q: Do you provide international shipping?
A: Yes. We ship products to customers worldwide using reliable international logistics services such as EMS, DHL, UPS, and FedEx.

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