Digital MEMS Vibration Sensor

w/ Embedded RF Transceiver

Preliminary Technical Data

ADIS16000/ADIS16229

Rev. PrA

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FEATURES

Wireless vibration system, 862MHz – 928MHz

Clear Channel Assessment/Packet collision avoidance

Error Detection and Correction in RF protocol

Programmable RF Output power

Gateway node (ADIS16000)

SPI to RF function

Manage up to 6 sensor nodes

Sensor Node (ADIS16229)

Dual-axis, ±18g MEMS accelerometer

5.5kHz Resonant frequency

Digital range settings: 0 g to 1 g/5 g/10 g/20 g

Sample rate up to 20kSPS

Programmable wake-up capture, update cycle times

FFT, 512-point, real valued

Rectangular, Hanning, flat top window options

Programmable decimation filter, 11 rate settings

Multi-record capture for selected filter settings

Manual capture mode for time domain data collection

Programmable FFT averaging: up to 255 averages

Record Storage: 14 FFT records on all three axes (x, y)

Programmable alarms, 6 spectral bands, 2 levels

Adjustable response delay to reduce false alarms

Internal self-test with status flags

Digital temperature and power supply measurements

Identification registers: serial number, device ID, user ID

47mm x 38mm PCB package with SMA antenna interface

Single-supply operation: 3.0 V to 3.6 V

Operating temperature range: −40°C to +85°C

APPLICATIONS

Vibration analysis

Condition monitoring

Machine health

Instrumentation, diagnostics

Safety shutoff sensing

GENERAL DESCRIPTION

The ADIS16000 and ADIS16229 enable creation of a simple

wireless vibration-sensing network for a wide variety of

industrial-equipment applications. . The ADIS16000 provides

the gateway function, which manages the network, while the

ADIS16229 provides the remote sensing function.

The ADIS16229 iSesnor is a complete wireless vibration sensor

node that combines dual-axis acceleration sensing with advanced

time domain and frequency domain signal processing. Time

domain signal processing includes a programmable decimation

filter and selectable windowing function. Frequency domain

processing includes a 512-point, real-valued FFT, FFT

magnitude averaging, and programmable spectral alarms. The

FFT record storage system offers users the ability to track

changes over time and capture FFTs with multiple decimation

filter settings.

The ADIS16229’s dynamic range, bandwidth, sample rate and

noise performance are well suited for a wide variety of machine

health and production equipment monitoring systems. This

devices also provides a number of wireless configuration

parameters enable a wide level of flexibility in managing the

trade-off between battery life and communication frequency.

The ADIS16000 SPI interface provides simple connectivity with

most embedded processor platforms and the SMA connector

interface enables the use of many different antennas. This

module supports up to six ADIS16229 devices at one time,

using a proprietary wireless protocol.

Both ADIS16000 and ADIS16229 modules are in in

47.0x37.6x22.6mm PCB structures, have an SMA connector for

simple antenna connection, have two mounting holes for simple

installation and support operation over a temperature range of -

40°C to +85°C. The ADIS16000 also includes a standard 1mm,

14-pin connector for connecting to an embedded processor

system. The ADIS16229 provides a lead structure that enables

simple connection with standard batteries.

FUNCTIONAL BLOCK DIAGRAM

Figure 1.