Campbell Scientific CR6 CR6 Measurement and Control System - Page 292
PakBus Over TCP/IP and Callback, 9.20.2 Default HTTP Web Server
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Section 7. Installation Read More Specific information concerning the use of digital-cellular modems for TCP/IP can be found in Campbell Scientific manuals for those modems. For information on available TCP/IP/PPP devices, refer to the appendix Network Links (p. 602) for model numbers. Detailed information on use of TCP/IP/PPP devices is found in their respective manuals (available at www.campbellsci.com http://www.campbellsci.com) and CRBasic Editor Help. 7.9.20.1 PakBus Over TCP/IP and Callback Once the hardware has been configured, basic PakBus® communication over TCP/IP is possible. These functions include sending and retrieving programs, setting the CR6 clock, collecting data, and displaying at the most current record from the CR6 data tables. Data callback and datalogger-to-datalogger communications are also possible over TCP/IP. For details and example programs for callback and datalogger-todatalogger communications, see the network-link manual. A listing of networklink model numbers is found in the appendix Network Links (p. 602). 7.9.20.2 Default HTTP Web Server The CR6 has a default home page built into the operating system. The home page can be accessed using the following URL: http:\\ipaddress:80 Note Port 80 is implied if the port is not otherwise specified. As shown in the figure, Preconfigured HTML Home Page (p. 293), this page provides links to the newest record in all tables, including the Status table, Public table, and data tables. Links are also provided for the last 24 records in each data table. If fewer than 24 records have been stored in a data table, the link will display all data in that table. Newest-Record links refresh automatically every 10 seconds. Last 24-Records link must be manually refreshed to see new data. Links will also be created automatically for any HTML, XML, and JPEG files found on the CR6 drives. To copy files to these drives, choose File Control from the support software menu. 292
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