Horner Engineering India Pvt. Ltd. Offers General-Purpose Signal Conditioners. Horner Engineering India Pvt. Ltd. Is the manufacturer various types of industrial automation products. General-Purpose Signal Conditioners are designed to transform I/O already present on the XLe controller to support alternate signal types and voltages. General-Purpose Signal Conditioners allow normally incompatible signals and loads [AC inputs, AC outputs, etc] to easily interface with OCS. Three categories are available those which adapt digital input signals, those which drive specialized digital output loads and those which allow analog outputs to be generated from digital and PWM outputs.