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Device Management

Updated on 2024-11-06 GMT+08:00

After a device is registered, you can manage the device, view device information, and freeze the device on the IoTDA console.

  1. Access the IoTDA service page and click Access Console. Click the target instance card.
  2. In the navigation pane, choose Devices > All Devices. By default, all devices in the current instance are displayed in the device list.

    Figure 1 Device - Device list
    Table 1 Device list functions

    Function

    Description

    Search for a device

    Search for a specific device based on the status, device name, node ID, device ID, resource space, product, and node type.

    View device information

    View the device status, device name, and node ID in the device list. Click View in the row of a device to access the device details.

    Delete a device

    Click Delete in the row of a device to delete the device.

    NOTE:

    After a device is deleted, the related device data is deleted. Exercise caution when performing this operation.

    To delete a large number of devices, you can call the API for creating a batch task or delete devices in batches on the IoTDA console. For details, see Deleting a Batch of Devices.

    Freeze a device

    Click Freeze in the row of a device to freeze the device.

    NOTE:

    A frozen device cannot go online. Only devices that are directly connected to the platform can be frozen.

    To freeze a large number of devices, you can call the API for creating a batch task.

    Unfreeze a device

    Click Unfreeze in the row of a device to unfreeze the device.

    To unfreeze a large number of devices, you can call the API for creating a batch task.

    Debug a device

    Click Debug in the row of a device to debug the device.

Device Status

You can view the device status (online, offline, inactive, abnormal, or frozen) on the IoTDA console. You can also learn the device status by means of subscription. The table below describes the device statuses.

Type

Status

Short-Connection Device (Such as NB-IoT Devices)

Persistent Connection Device (MQTT Device)

Connection status

Online

If a device has reported data within 25 hours, the device status is Online. If no data has been reported within the past 25 hours, the device status is Abnormal.

The device is connected to the platform.

Offline

If a device reports no data for 49 hours after connecting to the platform, the platform sets the device status to Offline.

After the device is disconnected from the platform for 1 minute (the data is automatically updated every minute), the device status is set to Offline.

If you manually refresh the status on the page, the device status is displayed as Offline.

Abnormal

If a device reports no data for 25 hours after connecting to the platform, the platform sets the device status to Abnormal.

This status does not apply to persistent connection devices.

Inactive

The device is registered with but does not connect to the platform. The device activation procedure is described in Initializing a Device.

The device is registered with but does not connect to the platform. The device activation procedure is described in Initializing a Device.

Management status

Frozen

After a device is frozen, it cannot be connected to the IoT platform. Currently, only devices directly connected to the IoT platform can be frozen.

Viewing Device Details

In the device list, click View in the row of a device to access its details.

Figure 2 Device - Device details

Tab

Description

Device Info

  • Viewing device information: You can view basic device information, including the node ID, device ID, node type, software version, and firmware version. You can also call the API for modifying a device.
    • Node ID is a unique physical identifier for the device, such as its IMEI or MAC address. This parameter is used by the platform to authenticate the device during device access.
    • Device ID uniquely identifies a device. It is allocated by the platform during device registration and used for device access authentication and message transmission.
  • Resetting a secret: The secret is used for authentication when MQTT devices, NB-IoT devices, or SDK-integrated devices access the platform. After the secret is reset, the new secret must be updated on the device, and the device must carry the new secret for authentication during platform connection.
  • Viewing the latest reported data: View the latest data reported by the device to the platform.

Cloud Run Logs

IoTDA records connections with devices and applications. You can view the information on the console. For details, see Run Logs (New Version).

Cloud Delivery

You can create a command or message (MQTT device only) delivery task for an individual device on the IoTDA console. For details, see Data Delivery.

Device Shadow

The platform provides the device shadow to cache the device status. When the device is online, delivered commands can be directly obtained. When the device is offline, it can proactively obtain the delivered commands after going online. For details, see Device Shadow.

Message Trace

The platform supports quick fault locating and cause analysis through message trace. For details, see Message Trace.

Device Monitoring

  • Device run logs: If you enable device log collection, local logs can be uploaded to Log Tank Service (LTS). (Note that this function is available only for MQTT devices.)
  • Anomaly detection: IoTDA provides device anomaly detection functions. For details, see Anomaly Detection.

Child Devices

Devices can be directly or indirectly connected to the IoT platform. Indirectly connected devices access the platform through gateways. For details, see Gateways and Child Devices.

Tags

You can define tags and bind tags to devices. For details, see Tags.

Groups

You can add devices to different groups for batch operations. For details, see Groups and Tags.

Deleting a Batch of Devices

To delete devices in batches on the IoTDA console, perform the following steps:

  1. Access the IoTDA service page and click Access Console. Click the target instance card.
  2. In the navigation pane, choose Devices > All Devices, click the Batch Deletion tab, and click Batch Deletion.
  3. In the displayed dialog box, download Batch Device Deletion Template, enter the IDs of the devices to be deleted in the template, specify Task Name, upload the file, and click OK. Alternatively, you can specify a product to delete devices in batches.

    Figure 3 Device - Deleting devices in batches (by file)
    Figure 4 Device - Deleting devices in batches (by product)

    The task execution status and result are displayed. If the success rate is not 100%, click the task name to open the task details page and view the failure cause.

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