EL70W is a single bus RS485 to USB interface communicator, allowing PC to be linked to 16 controllers with maximum distance of 1 KM. The software license can be programmed into the EL70W, which means it does not require a communicator with built-in software key slot like EL70Y.
Conversion circuitry: 1x RS485 to 1 x USB interface conversion circuitry
Software (E.Win, WinPro, E.Time and TimePro) programmed into the EL70W