Free firmware Upgrade

摘要

IDEC Corporation has released a free firmware Upgrade（FIG.2)enabling new and existing MicroSmart FC6A Plus PLC CPUs to support the industry-standard MQTT protocol.The Upgrade can be downloaded to the FC6A CPU,so it is easy for users to connect all types of field data to onsite and cloud-based brokers,and make the information readily avail-able for users and analytical applications.Users can also send commands to the FC6A using MQTT.