Configuring Generic Mqtt Brokers; Generic Mqtt Broker; Online Mqtt Brokers - ProSoft Technology MVI56E-LDM-MQTT Quick Start Manual

MVI56E-LDM-MQTT ♦ MQ Telemetry Transport
ControlLogix® Platform
9.2

Configuring Generic MQTT Brokers

An example configuration file is located in the mqtt-ldm-sample-app-mvi56e\test-
generic folder.

9.2.1 Generic MQTT Broker

This is located in the mqtt-ldm-sample-app-mvi56e\test-generic folder.
The file config.json contains a default configuration file, which is received during a
firmware update. This file contains settings for the generic MQTT Broker. There are no
specific requirements pertaining to Client ID, Topic Namespace or other settings.
The node MqttServer of the configuration file has following default values:
Parameter
Type
HostName
Port
DoNotUseTIs
You can connect to different MQTT brokers, modifying only the HostName field. Different
installations of MQTT Brokers are considered in the next section.

9.2.2 Online MQTT Brokers

There are couple of MQTT brokers available online:

mqtt.eclipse.org

test.mosquitto.org
For both, the port number for unencrypted TCP communication is 1883.
For encrypted communication: 8883.
Communication Type
Unencrypted
Encrypted
ProSoft Technology, Inc.
Description
Set to Generic.
Set to 192.168.0.254 (should be modified to IP address of the PC where
MQTT Broker is running).
Set to 1883.
Set to 1 (un-encrypted communication mode).
Port Number
1883
8883
Configuration File Details
Quick Start Guide
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