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The 3500-50M 286566-02 288062-02 is a 2-channel module that accepts input from proximity probes or magnetic pickups to determine shaft rotative speed, rotor acceleration, or rotor direction. The module compares these measurements against user-programmable alarm setpoints and generates alarms when the setpoints are violated.
Speed Monitoring, Setpoint Alarming and Speed Band Alarming
Speed Monitoring, Setpoint Alarming and Zero Speed Notification
Speed Monitoring, Setpoint Alarming and Rotor Acceleration Alarming
Featuring a high-precision time-base processing chip, the module ensures microsecond-level, latency-free response even during high-dynamic speed phases such as machinery startup, coast-down, or severe load fluctuations. The highly isolated buffered outputs on the rear 288062-02 I/O module not only securely feed premium pulse signals into Bently Nevada System 1™ software, but also integrate seamlessly with third-party DCS, PLC, or SCADA networks. This effectively bridges the data gap between field-level hardware and enterprise-level management systems.
Furthermore, by fully recording every single startup and coast-down profile of the shaft, it provides indispensable, unalterable baseline big data for predictive maintenance (PdM), Asset Performance Management (APM), and Root Cause Analysis (RCA) of machinery faults.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Thermal Power Generation
Monitors the real-time speed and rotor acceleration of steam turbine generators and large boiler feedwater pumps, providing critical overspeed protection interlocks.
Petrochemical & Refining
Used for speed condition monitoring and zero-speed permissive logic of centrifugal compressors, hydrocracking pumps, and high-power axial fans in hazardous areas.
Hydroelectric Power Generation
Monitors the low-speed turning gear operations of hydro-generator shafts and provides runaway speed alarms during sudden load-rejection events.
Wind Power Generation
Monitors the speed of the wind turbine main shaft and the high-speed side of doubly-fed generators to optimize blade pitch control and prevent runaway overspeed.
Iron & Steel Metallurgy
Utilized for speed and reverse rotation detection on blast furnace Top Gas Recovery Turbine (TRT) blowers and heavy-duty main drive shafts of hot rolling mills.
Mining & Mineral Processing
Monitors the speed of large drive motors for semi-autogenous (SAG) mills, ball mills, and heavy-duty conveyors, providing zero-speed interlocking and mechanical jam protection.
Set the internal jumpers on the I/O module to match the sensor type. Route signal cables separately from high-voltage lines. Always bypass trip logics before hot-swapping the main board to prevent accidental shutdowns.
Technical notes
Technical notes
Installed at the rear of the 3500 rack directly behind the main module, this board facilitates all field physical wiring. It provides the sensor power supply, receives raw pulse signals from transducers, hosts the internal jumpers for sensor type selection, and delivers conditioned recorder outputs (4-20mA or 0-10V) alongside Keyphasor buffered signals.
3500-50M 286566-02 288062-02 is a Tachometer Module.
What is the difference between 286566-02 and 288062-02?
286566-02 is the main module inserted into the front of the rack; 288062-02 is the I/O module installed at the rear.
How many sensor signals can the 3500-50M receive?
The standard module provides 2 fully functional channels to connect 2 independent tachometer sensor inputs.
Does the 3500-50M 286566-02 288062-02 support hot-swapping?
Yes. The main module can be safely removed or inserted while the system rack is powered, without damaging the hardware.
How long will it take for my product to arrive?
We understand the importance of speed in a critical breakdown situation, so wherever possible, we strive to dispatch parts within 1-3 days as an order is placed. However, each case is dealt with personal basis, and factors such as the condition or source of the parts can affect our operational speed. All details relating to the delivery timescale will be made very clear on your quotation.
Do you offer global delivery services?
Yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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