Campbell Scientific CR206X CR200/CR200X-series Dataloggers - Page 143
Telecommunications and, Data Retrieval
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Section 13. Telecommunications and Data Retrieval Telecommunications, in the context of CR200(X) operation, is the movement of information between the CR200(X) and another computing device, usually a PC. The information can be programs, data, files, or control commands. Telecommunications systems require three principal components: hardware, carrier signal, and protocol. For example, a common way to communicate with the CR200(X) is with PC200W software by way of a PC COM port. In this example, hardware are the PC COM port, the CR200(X) RS-232 port, and a serial cable. The carrier signal is RS-232, and the protocol is PakBus®. Of these three, a user most often must come to terms with only the hardware, since the carrier signal and protocol are transparent in most applications. Systems usually require a single type of hardware and carrier signal. Some applications, however, require hybrid systems, which utilize two or more hardware and signal carriers. Contact a Campbell Scientific applications engineer for assistance in configuring any telecommunications system. Synopses of software to support the various telecommunications devices and protocols are found in Section Support Software (p. 143). 13.1 Hardware and Carrier Signal Campbell Scientific supplies or recommends a wide range of telecommunications hardware. TABLE. CR200(X) Telecommunications Options (p. 131) lists telecommunications destination, device, path, and carrier options which imply certain types of hardware for use with the CR200(X) datalogger. Information in TABLE. CR200(X) Telecommunications Options (p. 131) is conceptual. For specific model numbers and specifications, contact a Campbell Scientific applications engineer or go to www.campbellsci.com. Table 17. CR200(X) Telecommunications Options Destination Device / Portal PC / COM or USB Communications Path Direct Connect PDA / COM Port Direct Connect PC / COM Port PC / COM Port Digital Cellular Multidrop PC / Network Card Ethernet / PPP PC / COM Port Satellite System Spread Spectrum RF Satellite Transceiver Digital Display Direct Connect Carrier Signal RS-232 RS-232 800 MHz RF RS485 IP 900 MHz RF RF RS-232 131