# 8. IoT Data Communication

# 8.1 MQTT

# 8.1.1 Server Settings

MQTT server configuration

You can config the client and the broker in this page.

# 8.1.2 MQTT Topic Settings

This page publishes the topic in the format of Device Name/Global Variable Table Name/Variable Name, which you can set by selecting Publish or not. If Yes is selected, external users can subscribe to variables based on addresses and topics.