How Communication Protocols Like OPC UA and MQTT Are Enabling Industry 4.0
The factory of the future would not be possible without communication protocols that facilitate fast and secure data transfer. A protocol is essentially a way of communicating information between devices on a network that follows a set of agreed-upon rules for formatting and processing. As the trend toward data-driven decision-making prompts manufacturers to gather increasingly large amounts of data from the plant floor, these protocols are gaining prominence. Omron looks at two of them, OPC UA and MQTT, that are currently shaping the automation industry