Inner Mongolia Deming Electronic Technology Co., Ltd
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DM9280 Digital Acceleration Vibration Sensor
Core Tip: The DM280 digital vibration sensor is equipped with a built-in digital processor (DSP) and an RS485 standard industrial bus. It can directly
Product details
Description of DM9280 Digital Acceleration Vibration Sensor
DM9280 is an accelerometer that is highly suitable for power plants, paper mills, gas turbines, and other extensive industrial applications. Applied in some small applications, such as diesel engines, water pumps, generators, etc.
The DSP signal processor built into the sensor performs FFT (Fourier Transform) analysis on vibration data and calculates acceleration, velocity, and displacement values. Sensors can directly output vibration waveform data in both time and frequency domains.
Up to 64 vibration sensors can be connected to form a vibration measurement network, and a host (such as a PC computer) connected to this network can read vibration data, analyze and process the data.
2) Main technical parameters:
1. Vibration measurement range: ± 50g
2. Sensor type: Acceleration
3. Vibration sensor: piezoelectric type
4. Output mode: 485 output
5. Frequency range: 10-5kHz (acceleration)
10-1kHz (speed/displacement)
6. Speed direction: from bottom to sensor (forward)
7. Vibration resolution: 12 bits
8. Sampling rate: 12.8kHz
9. Environmental temperature: -40 ℃~+85 ℃
10. Nonlinear: 0.2% (full range)
11. Power supply:+12~+24VDC
12. Data interface: RS485 standard industrial bus
13. Maximum number of networked sensors: 64
14. Alarm contact capacity: DC28V 3A
15. Relay status: normally open
16. Can withstand impact force: 2000g
17. Piezoelectric material: PZT-5
18. Protection level: Ip67
19. Weight: Approximately 450g
20. Dynamic range: < 70dB
21. Shell material: 304 stainless steel
3) External dimensions:
The external dimensions are as follows:
3) Cable lead instructions:
The DM280 vibration sensor adopts an anti vibration stainless steel hose lead structure, and a 4-core (6-core) shielded cable provides power and RS485 communication for the sensor. The signal definition is distinguished by different cable colors. The following figure illustrates the sensor signal definition.
Cable Signal Definition Table (for reference only, subject to factory definition)

Cable lead color

signal definition

describe

red

power supply+

Power supply:

6-15Vdc

yellow

power supply-

blue

communication+

RS485communication interface

black

communication-

green

Relay node1

Relay (optional)

brown

Relay node2


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