Analog inputs record process signals such as pressure or temperature and forward them in digitalized format (16-bit format) to the control. They are suitable for the measurement of current (2-wire and 4-wire transmitters), voltage, and resistance, as well as for the connection of resistance thermometers and thermocouples (measurement types depend on the module).

Analog outputs convert a 16-bit digital value into a current or a voltage and output this to the process. They are suitable, for example, for controlling proportional valves or small servo drives.

The following analog input/output module is available:

• AI/AQ 4xU/I/RTD/TC / 2xU/I ST
  4 analog input channels;
  16 bit resolution; accuracy +/-0.3%; one potential group; 10 V common mode voltage; parameterizable diagnostics; hardware interrupts (two upper and lower limit values); calibration during execution time.
  2 output channels;
  16 bit resolution; accuracy +/-0.3%; one potential group; parameterizable diagnostics; parameterizable substitute values for the outputs; calibration during execution time.
  Module width 25 mm