For logging I would put a RedLion Data Station and connect via Serial and use that
Another option may be to use the capabilities of the EXOR JMobile Screens which have a reasonable data logging and view capacity but may be limited to ethernet and not sure if Jmobile supports the RSlogix 500
Another option may be to use the capabilities of the EXOR JMobile Screens which have a reasonable data logging and view capacity but may be limited to ethernet and not sure if Jmobile supports the RSlogix 500