CPR Guardian III User Manual

CPR Guardian III User Manual

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crl-guardian3-plug-and-play-guide.md
platform: {Azure Sphere OS 21.10} device: {Guardian3} language: {English}
GUARDIAN III USER GUIDE
Table of Contents

Introduction

Prerequisites

Introduction
About this document
This document describes how to connect GUARDIAN III to Azure IoT Hub using the Azure IoT Explorer with
certified device application and device models.
IoT Plug and Play certified device simplifies the process of building devices without custom device code. Using
Solution builders can integrated quickly using the certified IoT Plug and Play enabled device based on Azure
IoT Central as well as third-party solutions.
This getting started guide provides step by step instruction on getting the device provisioned to Azure IoT
Hub using Device Provisioning Service (DPS) and using Azure IoT Explorer to interact with device's capabilities.
Guardian III is an IoT gateway product series based on Microsoft Azure Sphere OS. It provides end-to-end IoT
security solutions and can be used in a variety of industrial fields.
Guardian III has multiple types of southbound interfaces, such as LoRa, Bluetooth, Ethernet, CAN, RS422,
RS485, etc., which can be easily connected to many devices or sensors. At the same time, it also includes three
types of northbound interfaces (WiFi, Ethernet, 4G), you can easily connect to the Internet.
The Guardian III series includes three different product forms, namely GIIICM680L, GIIICM680E, and
GIIICM680R. The main difference between the three product forms is the southbound interface.
Prerequisites
You should have the following items ready before beginning the process:
For Azure IoT Central
Azure Account
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11/5/2021

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Do you have a question about the Guardian III and is the answer not in the manual?

Questions and answers

John
May 13, 2025

My CPR 3 Watch says its Offline

1 comments:
Mr. Anderson
May 21, 2025

The CPR Guardian III watch may say it is offline if it is no longer connected to the network. This can happen if the service plan has been cancelled, or if there is an issue with the SIM card or mobile data connection.

This answer is automatically generated

John
May 13, 2025

My CPR3 watch says its Offlinr

1 comments:
Mr. Anderson
May 21, 2025

The CPR Guardian III watch may display "Offline" if it is powered off, the SIM card is missing or has no credit, or if there is no GSM network coverage.

This answer is automatically generated

Summary of Contents for CPR Guardian III

  • Page 1 Introduction About this document This document describes how to connect GUARDIAN III to Azure IoT Hub using the Azure IoT Explorer with certified device application and device models. IoT Plug and Play certified device simplifies the process of building devices without custom device code. Using Solution builders can integrated quickly using the certified IoT Plug and Play enabled device based on Azure IoT Central as well as third-party solutions.
  • Page 2 Prepare the Device. Development Environmental setup 1. Connect Guardian III series products to your PC through USB. When plugged in, the device exposes four USB Serial Converters, The first time you plug in the device, the drivers should be automatically downloaded and installed.
  • Page 3 crl-guardian3-plug-and-play-guide.md 11/5/2021 3. You must configure it correctly by the sample's application manifest to enable pnp function which we supply in the sample, mainly including followings in the CmdArgs section: "CmdArgs": [ "--ConnectionType", "DPS_PNP", "--ScopeID", "0ne000FFA42", "-- ModelID", "dtmi:crl:Guardian;3" 4. Make sure to add the gdn_pnp_sample() function call in main.c main thread. int main(int argc, char* argv[]) gdn_pnp_sample();...
  • Page 4 crl-guardian3-plug-and-play-guide.md 11/5/2021 2. Modify the sample's application manifest and fill in your ID scope(As shown in the figure below): 3. Run sample code, you can find device DPS register status and hub connect status when it connect Internet. If displayed DPS successfully registered and IOTHUB_CLIENT_CONNECTION_OK in Visual Studio output window, it is successful.
  • Page 5 crl-guardian3-plug-and-play-guide.md 11/5/2021 2. You can click Telemetry button enter Telemetry operation page. 3. If you click start button in Telemetry operation page, you can receive device telemetry message. Additional information Email: crl@changhong.us Additional Links Manage cloud device messaging with Azure-IoT-Explorer Import the Plug and Play model Configure to connect to IoT Hub How to use IoT Explorer to interact with the device...

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