Siemens 6AV3505-1FB01 OP5/A1 Operator Panel is a SIMATIC HMI unit featuring a 4-line, 20-character display for on-machine operator input and status display in industrial automation. It provides one serial TTY/V.24 interface for straightforward communication with compatible PLCs. The compact enclosure measures 120 x 168 x 48 mm and weighs approximately 800 g, making it suitable for panel mounting in control cabinets. The OP5/A1 model is discontinued.
