Open filterClose filter input output power-supply Wide range DC 20-30V AC 230V none interface / protocols AD-UART RS485-Bus Ethernet USB Modbus-RTU Modbus TCP display / operation LCD design DIN rail mounting Screw terminals Handheld unit device functions Simulation parameterizable Galv. isolation (I/O) scalable Reset filter Bus converter Image Article Description Input Output Auxiliary voltage Designs AD-VarioPass 3 USB parameterization adapter for AD-UART interface and RS485 bus - - via USB - AD-NETGW 100 GT Interface converter RS485 to Ethernet - - Wide range power supply GT AD-VarioConnect Snap-on display and adjustment module with RS485 bus interface - - via basic device -