Greisinger ebw 1 interface converter rs232 to easybus compatible with easylog greisinger ebw 1 p the greisinger ebw 1 is an interface converter rs232 to easybus which is compatible with easylog the interface converters are used for decentralised data collection configuration of logger functions and for the read out of the value memories of easybus modules p p the ebw 1 are bidirectional interface converters from rs232 to easbus or usb to easybus by means of the interface converters