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RAEM1-6 USER’S MANUAL Operation Guide

RAEM1-6 USER’S MANUAL Operation Guide

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RAEM1-6 USER’S MANUAL Operation Guide

Product catalog summary

Technical Background

Acoustic Emission Technology Introduction: Acoustic emission (AE) involves transient elastic waves from rapid energy release in materials, used to evaluate material performance and structural integrity.
Main Purpose: Locating AE sources, analyzing their properties, determining occurrence time and load, and assessing severity.
Characteristics: AE testing is dynamic, sensitive to linear defects, provides real-time defect information, and is suitable for complex geometries.
Applications: Used in petrochemical, power, civil engineering, aerospace, metal processing, and transportation industries.
Key Terms: Definitions of terms like starting point, end point, duration, rise time, sensor array, attenuation, and more.

Product Introduction

RAEM1-6 Introduction: Overview of the RAEM1-6 system, including hardware and technical specifications.
Quick Start: Basic setup and configuration instructions for the RAEM1-6 system.
Software and Cloud: Introduction to configuration tools, software, and cloud integration.

Operation Guide

Ethernet and Wi-Fi Connections: Instructions for single and multiple device connections via Ethernet and Wi-Fi.
Configuration Software: Detailed guide on using RAEM1 configuration software, including sample, network, storage, and system settings.
Online Collection: Using U3H (RAEM1) software for data collection.

IoT Monitoring System

Network Connections: 4G and Wi-Fi network setup for IoT monitoring.
Qingcheng IoT Cloud Platform: Device management, data monitoring, waveform analysis, and settings.
Alibaba Cloud Platform: Registration, product and device creation, TSL model editing, and device activation.

Data Access and Format Conversion

Data Access: Accessing data via RAEM1 configuration software, U3H software, and cloud servers.
Format Conversion: Converting data formats for compatibility.

Transmission Protocols

TCP and 485 Integration Protocols: Details on TCP and 485 protocols for third-party development, including network attributes and parameter transmission.

Technical Specifications and Definitions
The document provides detailed technical specifications and definitions related to the RAEM1-6 Remote Acoustic Emission system. Key terms include TCP/IP for network communication, ADC for analog to digital conversion, and AST for automatic sensor testing. The system uses a 4th order Butterworth analog filter and includes components like pre-amplifiers and coaxial cables for signal transmission. Important parameters such as EET (Enforced End Time), HDT (Hit Definition Time), and HLT (Hit Lock Time) are defined to manage acoustic emission signals.

Product Introduction
The RAEM1-6 system is an IoT-enabled acoustic emission system that integrates signal acquisition, analysis, storage, and communication. It features a ZYNQ approach with an AD4001 chip and supports multiple communication methods including 4G, Wi-Fi, and Ethernet. The system is designed for remote monitoring and can store data locally or upload it to cloud platforms for analysis.

Hardware and Configuration
The RAEM1-6 consists of a main unit with an aluminum alloy shell, external sensors, and various communication interfaces. It supports multi-channel AE input and can be cascaded to 38 channels. The system includes a built-in SD card for data storage and offers flexible data output options. Configuration can be done via RAEM1 Configuration Software or Qingcheng IoT Cloud Platform, allowing for real-time parameter viewing and data management.

Quick Start and Usage
The document outlines the setup process for the RAEM1-6, which can function as both a remote monitoring system and a desktop detector. Key steps include connecting the power adapter, sensors, and ensuring proper configuration through software tools. The system automatically starts data collection upon power-up and can transmit data to cloud platforms for further analysis.

Software and Cloud Integration
The RAEM1-6 supports integration with Qingcheng's IoT Cloud Platform and Alibaba Cloud for remote configuration and data management. Users can view real-time data, modify configurations, and download data from the cloud. The RAEM1 Configuration Software provides a local interface for device setup and data handling.

Overview: The document is a user manual for the RAEM1-6, a desktop acoustic emission detector developed by Qingcheng Company. It provides detailed instructions on the operation, configuration, and networking of the RAEM1-6 device, including both Ethernet and Wi-Fi connections.

Specifications and Features:

The RAEM1-6 can operate as a bench detector, connecting locally via LAN without internet or cloud connectivity.
It supports real-time parameter viewing and online debugging through the Qingcheng Alibaba account and SWAE software.
Data can be uploaded to AWS S3 for storage and analysis.

Connection and Networking:

Ethernet Connection: The RAEM1-6 can be connected to a PC using a network cable. For multiple devices, a network switch is required, and clock synchronization is achieved through cascading cables.
Wi-Fi Connection: The device can connect to a PC via its built-in Wi-Fi for parameter setting. Multiple devices require a Wi-Fi router configured to the 192.168.0.xxx network segment.

Configuration Software:

The RAEM1 Configuration Software is used for device configuration, requiring firewall and WLAN functions to be disabled on the PC.
The software interface includes device configuration information and a device list, allowing for batch operations and real-time updates.
Functions include starting/stopping sampling, calibrating device time, firmware updates, and entering sleep mode.

Sample Settings:

Two sample modes are available: Hit Extract mode (default) and Time Parameters mode.

Overview: The document is a technical manual for the RAEM1-6 system, focusing on acoustic emission (AE) signal processing and system configuration. It covers various modes of operation, parameter settings, network configurations, and system management.

Signal Processing Modes:

Hit Extract Mode: Utilizes parameters like EET, HDT, and HLT to define and sample AE hit events based on threshold levels.
Time Parameters Mode: Defines AE hit events and calculates parameters based on sample length, times, and intervals.
Sample Time Modes: Includes continuous, timing, and interval sampling, each with specific settings for duration and intervals.

Sample Parameters Settings:

Sample Length: Determines the number of points recorded per waveform, applicable only in Time Parameters mode.
Sample Speed: Maximum speed is 2000K/s, affecting resolution and data size.
Threshold: Trigger level for recording AE signals, typically set above background noise.
EET, HDT, HLT: Parameters defining the duration and classification of AE signals in Hit Extract mode.

Filter and System Ratings:

Filters: Digital filters with configurable high-pass and low-pass frequencies.
System Ratings: Evaluates AE events based on intensity and activity levels, adhering to NBT47013.9-2015 standards.

Network and Storage Settings:

Network Settings: Configures Ethernet and Wi-Fi connections, including static and dynamic IP settings.
Storage Settings: Options for saving waveform and parameter data locally or uploading to cloud servers.

System Management:

Time Calibration: Synchronizes device clock with system clock.
Sample State: Commands for starting and stopping data acquisition.
Firmware Update: Procedures for updating system firmware.

Firmware Update Procedure
To update the firmware, upload the files "update.zip" and "md5sum.txt" in sequence by clicking the "Firmware update" button. The system will automatically update and reboot. Do not interrupt the process by disconnecting power or manually restarting. Multiple files can be uploaded simultaneously.

Other Information
This section includes details on debug ports, circuit magnification, preamplifier, and system APN. Except for network APN, these settings are for internal debugging and factory settings and cannot be configured.

File View
The "File View" tab allows users to manage data packages stored on a local storage card. Functions include downloading, deleting, and converting files to CSV or U3H formats. The conversion to CSV is limited to 830,000 data points per file, while U3H conversion settings allow for sample rate and length adjustments.

Project Data
This section covers data transmission methods, including TCP modes and QC Aliyun mode. TCP modes involve reporting data to servers at specified intervals, while QC Aliyun mode connects devices to Alibaba Cloud for real-time parameter viewing. Devices must have internet access via 4G, Wi-Fi, or Ethernet.

Online Collection by U3H Software
The U3H software facilitates real-time data collection and analysis from RAEM1-6 devices. It supports Ethernet and Wi-Fi connections and requires specific configuration settings for data transmission. Users must disable local waveform and parameter saving to prevent data loss.

RAEM1-6 IoT Monitoring System
The RAEM1-6 can function as a monitoring system, uploading data to cloud platforms via Ethernet, Wi-Fi, or 4G. It supports flexible alarm threshold settings and can push alerts to client devices. The system is compatible with various cloud platforms, including Qingcheng IoT, Ali Cloud, and Amazon AWS.

RAEM1-6 User's Manual Overview

Network Connection and Synchronization: The RAEM1-6 device can connect to the cloud via 4G networks or Wi-Fi. For 4G, clock synchronization is necessary, achieved by cascading multiple RAEM1-6 devices using a cascade cable. Each device has two clock synchronization interfaces, and only one channel is set as the master, with others as slaves. For Wi-Fi, the device connects through a router configured to network segment 0 (192.168.0.xxx) with automatic IP assignment. Multiple devices require similar clock synchronization.

Qingcheng IoT Cloud Platform: This platform allows remote configuration and monitoring of RAEM1-6 devices. Users can log in to manage devices, view AE waveforms, parameters, and alarms. Account registration is handled by Qingcheng Company. The platform supports language conversion and user settings.

Device Management: Users can search and manage devices by various criteria. Bulk operations are available for configuration changes. Key actions include editing device information, deleting devices, checking data states, refreshing configurations, managing data, and upgrading firmware. Alarm settings and parameter configurations are also available.

Parameter Configuration: Users can set thresholds, sampling rates, modes, and times. Parameters include enforced end time, hit defined time, hit lock time, sampling length, and intervals. Options to send parameters and waveforms to the cloud are available.

Rating Configuration: This evaluates acoustic emission events based on intensity and activity levels, following NBT47013.9-2015 standards. Users can set alarm thresholds based on comprehensive ratings, which combine intensity and activity levels.

Intensity Level Rules: The document outlines the conditions for determining intensity levels using 'OR' and 'AND' logic. For example, intensity level 1 can be reached if either Rule 1 (AMP > 70dB and energy > 500 KpJ) or Rule 2 (ASL > 65dB) is met.

Activity Configuration: Activities are counted when intensity is ≥ level 1, with a maximum of 4 levels.

Rating Interval: Data is collected and rated every 20 seconds by default.

Reporting Criteria: Users can choose to report specific intensity levels, with a minimum reporting interval of 10 seconds.

Timing Configuration: Users can select between continuous and interval sampling modes, setting specific durations for sampling and sleep times.

Wire Break Rate Configuration: This involves setting criteria for determining wire breaks based on intensity levels.

Data Management: Allows deletion of data within specified time periods to free up storage space.

Firmware Upgrade: Users can upgrade firmware via FTP by submitting an upgrade request.

Device Alarm: Configures alarm settings based on intensity, comprehensive rating, and activity levels.

Data Monitoring: Displays parameter changes over time, allowing selection of specific devices and parameters for detailed analysis.

Real-time and History Waveform: Displays real-time and historical waveforms, with options to filter and view specific data points.

Rating: Evaluates acoustic emission events based on intensity and activity levels, adhering to NBT47013.9-2015 standards. Comprehensive ratings combine intensity and activity levels.

Personal Settings: Users can configure personal information and alarm settings for devices.

Wire Break Monitoring: Dedicated to monitoring wire break results and rates.

Wire Break Rate Configuration
The document outlines the process for configuring the wire break rate in suspension cables. Users can set the total number of wires and the intensity level for wire break criteria. The wire break monitoring page displays trends and data over time using line charts, allowing users to navigate through data points.

Global Setting
This section describes the AST test configuration, including enabling/disabling the test, setting the time interval, and selecting devices. Results are uploaded and displayed with device numbers, time, and amplitudes.

Hit Monitor & Warning Monitor
The Hit Monitor page shows the number of AE hits, while the Warning Monitor page summarizes device alarms. Users can configure alarm triggers and view alarm information in line charts.

Auxiliary Tools
Auxiliary tools include a download function for data packets from the cloud platform. Users must enable data upload and configure settings to download data, which is packaged in zip files.

Qingcheng Alibaba Cloud Platform
The document details the process for using Qingcheng IoT AE devices with Alibaba Cloud, including registration, product and device creation, TSL model editing, and device activation. It provides step-by-step instructions for setting up and managing devices on the platform.

Data Access
Data from RAEM1-6 can be accessed via RAEM1 configuration software, SWAE software, and Qingcheng IoT cloud platform. The document also explains AWS S3 setup for data storage and access, including account creation, user management, and bucket configuration.

Data Storage Settings
Configure the RAEM1 data storage settings by enabling "Save Wave" and "Save Param" while disabling "Upload original data" to prevent data upload to Qingcheng IoT Cloud. After sending AWS setup information to RAEM1, reboot the device to apply changes.

Data Access
RAEM1 packs data every 5 seconds when there are HITs and stores it locally. Data is uploaded to AWS S3 based on network availability. If the connection is lost, uploading stops and resumes once reconnected. Local copies are deleted after successful upload. Access data by logging into AWS, selecting the appropriate bucket, and navigating to the "aws_data/" folder.

Data Format Conversion
RAEM1-6 data requires conversion for analysis using Qingcheng U3H or third-party software. Use "RAE1toU3H" software for conversion. Download data as ZIP packages, open the conversion tool, add directories, and convert to U3H or CSV format. CSV files are generated with a prefix "RAE1" and split if exceeding 800,000 lines.

Transmission Protocols for Third Party Development
RAEM1 supports TCP and RS485 interfaces for third-party development.

TCP Integration Protocol
Configurable address and port, using TCP protocol with Little Endian endianness. Supports parameter and waveform transmission to SWAE and U3H servers.

RS485 Integration Protocol
Attributes include a baud rate of 57600, 8 bits, 1 stop bit, and no verification or flow control. Supports Master, Slave, and Master/Slave modes for data transmission and control commands. Ensure 485 is enabled in the configuration software for communication.

Testing and Limitations
RS485 protocol allows a maximum of 100 data groups per second. Testing showed successful reception of 5000 data groups over 10 seconds, but exceeding this rate may result in data loss over time.

Catalog excerpts

Version: V1.1.2 2023.04.21 QingCheng AE Institute www.aendt.com E-mail: [email protected] WeChat: 19128609186 Tel: (+86)19128609186 Contact: Jessica Jia Skype: jessicajia

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1. Technical Background 1.1 Acoustic Emission Technology Introduction Acoustic emission (AE) is the phenomenon of transient elastic waves generated by the rapid release of energy from local sources in materials, sometimes also known as stress wave emission. The acoustic emission testing technology is the acoustic detection method by receiving and analyzing the acoustic emission signals to evaluate the material performances or structural integrity. The deformation and crack propagation of materials under stress are important mechanisms of structural failure. The source directly related to deformation...

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• Determine the time and load of the AE occurrence • Assess the severity of the acoustic emission source 1.3 Characteristics of Acoustic Emission Testing The discovery of each acoustic emission source indicates the application of AE system. The AE testing method is different from other conventional NDT methods in many aspects: • It is a dynamic detection method. The detected energy comes from the object itself, not from the detection instrument; • It is sensitive to linear defects and can detect the movement of the defects under external structural stress; • It can detect and evaluate the state...

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Civil Engineering The aerospace and aviation industry Metal Process 1.5 Key Terms of Acoustic Emission Technology (1) Starting point of AE signal: the starting point of an AE signal recognized by the system processor, is usually when the amplitude begins to exceed the threshold; (2) End point of AE signal: the end point of the AE signal, which is usually defined as the last time that the signal amplitude crosses the threshold; (3) Duration: the time interval between the beginning and the end of the acoustic emission signal; (4) Rise time: the time interval between the starting point of AE signal...

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improve the ability of sound energy passing through the interface in the process of acoustic emission monitoring; (14) Decibel (dB): logarithmic measurement value of AE signal amplitude referring to 1μV, dB = 20lg(A/1μV), where A is the amplitude voltage value of the measured AE signal; (15) Dynamic range: the decibel difference between the overload level and the minimum signal level (usually determined by one or more factors in the noise level, low-level distortion, interference or resolution level) in a system or sensor; (16) Effective sound velocity: the sound velocity calculated on the basis...

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(2) Sampling rate: also known as sampling speed, the number of sampling points per second of analog voltage signal acquired by the ADC module; for example, 10MSPS, means 10M (=10 6) points per second; (3) Sampling accuracy: the sampling accuracy determines the minimum resolution of the signal within the input voltage range. For example, in the 20Vpp input range, the 16-bit sampling accuracy means that the voltage of 20V is divided into 216 units, i.e. the step is about 0.305 mV. The higher the accuracy, the higher the resolution of the signal; (4) TCP/IP: also known as network communication protocol,...

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continuously higher than the threshold value, and the set HDT cannot define the end of the AE signal, the EET takes effect which means it is the duration of the current hit and other related AE feature parameters are calculated based on this duration. EET is effective only in Hit Extract sample mode, not in Time parameter sample mode; (15) HDT: Hit definition time, also known as the envelop definition time, in unit of micro-second (us). the setting range is 100 ~ 50000μs (positive integer), can be directly input in the text box. It refers to the waiting time interval of a hit signal in order...

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RAEM1-6 USER’S MANUAL Operation Guide-10

(17) U3H: When it says U3H, it may refer to the U3H format for data files, i.e. PRA and AED format. Sometimes, it may also refer to the SWAE software server (because previously it only connects to U3H instruments).

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RAEM1-6 USER’S MANUAL Operation Guide-11

2. Product Introduction RAEM1-6 Remote Acoustic Emission system adopts ZYNQ approach with AD4001 chip as the base layer and 4G/Wi-Fi/Ethernet built-in, and supports IoT operations, such as cloud data storage and cloud data reporting. The up-to-date firmware version is V1.0.56_20220530, and the configuration software version is 2.14.2.35.

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RAEM1-6 USER’S MANUAL Operation Guide-12

2.1 RAEM1-6 Introduction RAEM1-6 remote acoustic emission system consists of three parts: ⚫ RAEM1-6 (AE sensor, signal acquisition, communication) Platform (cloud server, LAN, PC, phones) Client end (phones, PC, screens) RAEM1-6 is an intelligent IoT acoustic emission system integrating AE signal acquisition control, analysis, storage with communication. RAEM1-6 host is a rectangular box with aluminum alloy shell with PCB boards inside and a magnet bottom. Each RAEM1-6 includes 2-6 acoustic emission channel. RAEM1-6 includes pre-amplifier power supply, signal conditioning, filtering, ADC and...

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RAEM1-6 USER’S MANUAL Operation Guide-13

Output data types are AE parameters, waveform, and parameter ratings. Anyone to all three data types can be selected to stored and output. Data can be uploaded to the cloud IoT platform for display (e.g., Qingcheng Alibaba Cloud or Qingcheng IoT Cloud), or be downloaded to the client computers for post analysis using Qingcheng professional AE signal analysis software. It can also be sent to Qingcheng SWAE software directly for real-time analysis. This user’s manual will introduce the regular version of RAEM1-6 system and its connection, configuration and usage. It starts with product parts and...

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RAEM1-6 USER’S MANUAL Operation Guide-14

POWER: power indicator (yellow), showing power on and off. It should be steady on after the power supply is connected. RUN: Running indicator (green): indicates the running status of the device. During normal operation, the running light flashes, about once every second; ALARM: Alarm light (red), impact indicator/warning light. Every time there is an impact, the alarm lights up. (Under development, function to be determined) ◆ Sensor interface: connect the external sensors, sensor is commonly preamplifier built-in series; ◆ Clock synchronization interfaces: on-line interface, two interface did...

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