Electrical circuit input/output interface device for industrial control; electrical circuits for interfacing data signals and control signals between a sensing device and a controller and between a controlled device and a controller; electrical circuits for interfacing data signals and control signals between a sensing device and a computer and between a controlled device and a computer; microprocessor based input/output interface circuit; single microcontroller or microprocessor based electrical hardware device having input/output signal characteristics supporting analog and digital input/output (I/O) signal types and large voltage and current range of such signal types for universal applicability as input/output interface
Electrical and Scientific Apparatus