Brainboxes ed series industrial ethernet to io devices brainboxes ed 516 ethernet to dio device 16 non isolated digital input channels powerful arm 80mhz 32 bit cpu the device can be controlled over tcpip using the modbus tcp protocol or simple ascii commands additionally 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 morethe device can be configured and secured from a web