The STDES-FANPRE01 has a circular form factor (inner diameter 10 mm, outer diameter 32 mm), and is designed to enables the predictive maintenance features, and provide condition based monitoring data in typical fan and small motor applications.
It is driven by the STM32F412CE microcontroller, with an on-board ST715 LDO to power the digital ICs, IIS2DH accelerometer to acquire vibration data for frequency domain and time domain analyses, STTS751 temperature sensor to monitor bearing temperature trends during operation, and a driving circuit based on the STL6N3LLH6 Power MOSFET driven by PWM signals.
The board also offers an ST-LinkV3 programming connector with Virtual COM interface, and a connector with three different serial interfaces to allow connection with a host controller or other board.
The firmware contains algorithms to derive vibration power spectra and acceleration peak and RMS data, which can in turn be used to signal the status of equipment operating conditions (GOOD, WARNING, ALARM).
Main features
| Devices | Class | introduce | Datasheet |
|---|---|---|---|
| IIS2DH | 3-axis digital accelerometer, ultra-low power high-performance MEMS motion sensor | Download | |
| STTS751 | semiconductor;Analog mixed-signal IC | TEMPERATURE SENSOR, PDSO6 | Download |
| ST715 | High input voltage, 85 mA LDO linear regulator | Download | |
| STL6N3LLH6 | Discrete semiconductor;The transistor | MOSFET N-Ch 30 V 0.021 Ohm 6 A STripFET VI DG | Download |
| STM32F412CE | STM32 dynamic efficiency MCU with BAM, high performance ARM Cortex-M4 MCU with DSP and FPU with 512 KB Flash, 100 MHz CPU, ART accelerator and DFSDM | Download |
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