There are three (3) connection classes for shop floor equipment:
1. Ready to Connect
For this, you only need to drop an Ethernet cable to the equipment or connect a wireless adapter, plug it in and set your IP and port configuration.
For up-gradable equipment like this, you can buy ethernet hardware, and software options such as MTConnect, OPC-UA, and OPC-DA. Contact your machine tool or control system vendor to get the hardware and software components installed. Budget about $2800/ per machine; some bulk discounts may apply.
Legacy equipment may have a simple or outdated control system. You could upgrade the controller, or add an appliance by wiring it directly to your equipment to provide data from your machine tool to your system. You can expect to get critical data like: