control computer 32 includes a processor 52 an input output i o units 54 a communication module 56 and a memory 58 that are all interconnected by a bus 55 i o units 54 include the aforementioned analog to digital converter and other signal shaping circuits to condition signals supplied by interface 30 for use by control computer 32 and to condition signals to be supplied from control computer 32 to interface 30 communication module 56 includes the circuit topology and protocol necessary to communicate via communication link 38 and or communication link 50 if used memory 58 includes any suitable type of memory such as random access memory read only memory flash memory and other types of memory control computer 32 also includes an operating system 60 a configurator 62 and a configuration tool 64 that are stored in memory 58 operating system 60 causes processor 52 to execute configurator 62 to communicate with host computer 22 to obtain a network address and to be configured with the use of configurator tool 64 configurator tool 64 may be any suitable configurator tool known presently or in the future configurator 62 as well as other programs may be stored on a memory media 66 that can be used to load configurator 62 into memory 58 referring to fig4 configurator 62 begins at step 70 upon control computer 32 being powered up at step 72 it is determined whether control computer is newly installed as would be the case at the time of initial installation or replacement installation if.