The HA7Net-D is an DIN Rail Mount Ethernet to 1-Wire interface designed to simplify the process of integrating distributed 1-Wire / iButton* networks into your application or system. The HA7Net-D allows end users as well as inrtergrators and OEMS to enjoy easy remote access to their 1-Wire sensors and devices without prohibitive development and installation costs. The HA7Net-D supports many of 1-Wire devices at a high level. For example, reading the current temperature from a DS18S20 doesn't require the user to learn the details of reading and parsing scratchpads. Instead, you simply ask the HA7Net-D for the current temperature and it handles all of the required low-level communications for you. 1-Wire devices which are currently supported at a high-level include: DS18B20 DS18S20 DS2423 DS2438 (Temp Only) The HA7Net-D provides a robust low-level command set supporting operations ranging from reading CRC validated TMEX UDP records to wiggling the 1-Wire bus on and off 1 bit at a time. Therefore any 1-Wire device manufactured by Dallas Semiconductor may be read. Primary communication with the HA7Net-D is accomplished via the HTTP protocol, with optional 128 bit SSL data encryption. The actual data is exchanged in the form of html documents which accommodates both human readability and 100% reliable machine parsing. Data is passed to the HA7Net-D in the form of parameters placed in the URL. Since the result pages are human readable, both proof of concept and integration times are reduced as you can effectively interact with 1-Wire devices via the HA7Net-D using a standard web browser. The HA7Net-D can perform Search and Family search functions making it easy to acquire the unique 64 bit serial numbers of all connected devices. Many sensor devices require that extra power be delivered during periods of data conversions. * iButton & 1-Wire are registered trademarks of Dallas Semiconductor Corporation. TMEX is a trademark of Dallas Semiconductor Corporation
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