TRANSPORT

CO-PROCESSOR INPUT/OUTPUT HANDLERS AND INDUSTRIAL INPUT/OUTPUT INTERFACE MODULES WHICH MANIPULATE AND CONVERT ELECTRONIC SIGNALS FROM ANALOG TO DIGITAL SO THAT A COMPUTER CAN USE SUCH SIGNALS TO MONITOR AND CONTROL FACTORY MACHINES AND PROCESSES, CHECK COMMUNICATIONS ERRORS, MONITOR OUTPUTS; AND FILTER AND CORRECT COMPUTER PROGRAMS; COMPUTER PROGRAMS USED FOR APPLICATIONS ENHANCEMENT