MQTT connection settings

MQTT connection settings define how the device connects to an MQTT broker. Specify the broker address and client ID to establish communication. Optionally, provide a username and password if the broker requires authentication.

Parameter Values Description
Broker Address Fully qualified domain name (FQDN), IPv4 address, IPv6 address

Enter the MQTT broker’s FQDN or IP address.

Note: If you enter a FQDN for the Broker Address, the meter connects to the broker using its IPv4 interface. To connect using IPv6, enter an IPv6 Broker Address.

Tip: You can include a port number if the port is different from the default (8883), for example: 169.254.1.11:8884.

Client ID 1–23 characters

Enter a unique identifier for the MQTT client.

A valid Client ID:

  • Has 1–23 characters.

  • Uses characters from the following groups:

    • A–Z

    • a–z

    • 0–9

    • Hyphen (-)

Username 1–255 characters

Enter the username for authentication with the broker.

A valid Username:

  • Has 1–255 characters.

  • Uses printable ASCII characters (0x20–0x7E).

  • Has no leading or trailing spaces.

Password 1–511 characters

Enter the password for authentication with the broker.

Note: Password is write-only.

A valid Password:

  • Has 1–511 characters.

  • Uses printable ASCII characters (0x20–0x7E).

  • Has no leading or trailing spaces.

The Password is deleted during firmware upgrades and when applying a template.

notice

Loss of communication

Ensure that you re-enter the MQTT password after upgrading firmware or applying a template.

Failure to follow these instructions can result in loss of communication.

 

Note: To connect without authentication, leave Username and Password empty.