The series P42-T/A sensors, all of which have an analogue 0-10V / 4-20mA output and two switching outputs, are programmed via an RS232 or RS485 interface. Characteristic curve, dead zone, set points, sensitivity, electronic filters, response time, and sensor addresses are optimally adapted to the measuring task. For communication with the computer, no special adapter is required, a direct access to the interface on the sensor is possible.