Brainboxes ED-593 Ethernet to 8 Thermocouple Input is controlled over TCP/IP using the Modbus TCP protocol or simple ASCII commands. Brainboxes supply a suite of APIs and sample code to communicate with the device using Microsoft .NET framework Visual Basic, C#, C++, Java, Javascript, PHP, and more. The device can be configured and secured from a web browser. The device can be installed as a COM Port on a Windows PC to give complete backward compatibility essential for legacy applications.