IoT Platform allows you to connect your edge devices and gateways via MQTT over TCP and Websockets. You can connect using SSL or Non SSL layer based on how you set your platform.
In Industrial designs a device or a gateway always represent a lot of sensors and actuators behind it. Instruct and allow the platform to monitor and manage them individually.
It is very important to design your messages and responses from your devices to have a perfect overall communication of the devices, Platform and your application. Some tips to help you make it perfect
Prebuilt Client code for ESP8266, Windows 32 , Windows 64, Ubuntu, Raspian and Mac that can handle server connectivity and data communication. You just need to read and convert the voltage and convert into Data. Rest will be taken care.