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Define Push Notification
A push notification is a message that pops up on a mobile device. App publishers can send them at any time; users don’t have to be in the app or using their devices to receive them.
Define Smart Industry
This is the interconnection of automated systems (operational technology) and information technology. A distributed network of devices generating, transmitting, and consuming data for status, analysis, or statistical purposes.
Can I use SparkPlug B with a Maple Systems HMI?
Yes, select models do support the Sparkplug B MQTT payload specification. Sparkplug is a specification for MQTT enabled devices and applications to send and receive messages in a stateful way and is supported by Inductive Automation Ignition Platform utilizing the Cirrus Link MQTT modules.
Is JSON supported in MQTT / Ignition?
Yes, JSON Advanced setting has been added for MQTT Topic Publisher on cMT Series models. Aside from being compatible with the existing simple JSON format, this function allows users to define JSON format with more flexible structure tailored to the cloud device they use. With this function added, data transferred to the cloud can be…
What is the interconnection between SparkPlug B and MQTT?
Most of our HMIs support the Sparkplug B MQTT payload specification. Sparkplug is a specification for MQTT enabled devices and applications to send and receive messages in a stateful way and is supported by Inductive Automation Ignition Platform utilizing the Cirrus Link MQTT modules.
How do I use JSON with Ignition MQTT Engine?
Tech Note 5119, “Using Ignition MQTT Engine with Maple Systems HMIs” provides set-by-step instructions on how to setup the Ignition MQTT Engine, custom topics, and JSON payloads. The Tech Note assumes that the user already has the Ignition platform installed along with the MQTT Engine and MQTT Distributor (or other MQTT Server infrastructure). For instructions…
Define MQTT Subscriber or Client
The end user of the data. This can range from a high-end ERP management program that tracks information for control and data analytics, to a website that simply displays real-time operational facility data, and anything in between. A fundamental advantage of MQTT is that data is sent to a central “broker” instead of being directly…
How do I set-up MQTT?
Tech Note 5111, “MQTT Set Up,” walks through the steps necessary to configure a Maple Systems HMI as an edge gateway for an MQTT network. There are 4 main tasks that are addressed in the tech note: A project will be created that enables the HMI to act as an MQTT publisher. HMI memory addresses…
Define MQTT Topic
A text string created by the MQTT network administrator to reference or address data. A topic may include a single data point or multiple related points. These topics are then subscribed to by the end user, or client.
What are the advantages of using JSON in MQTT?
Two major advantages of using JSON Advanced format settings in MQTT: Direct use of object data format. The advanced mode not only supports object format but also supports nested data structure to facilitate direct integration with diverse applications without having to change the existing JSON format into numeric data type. Graphical UI for setting JSON…