Endress+Hauser Fieldgate FXA320, Руководство по эксплуатации

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Fieldgate FXA320 8 Advanced Functions
Hauser 84
8.2 Historical data
When a 256KB DAT module is being used, Fieldgate has a data logging function for buffering
measured values and events. A prerequisite for its use is that the time and date are available to the
Fieldgate, either through the use of a time server or manual entry, see chap. 5.4.
The measured values of the connected sensors or the internal Fieldgate interfaces are saved in the
form of data records in XML format. The logged data can be called up with by adding
/history.xml?
to the IP address or sent as an e-mail.
User ID By adding a user ID (ID=1 to ID=9) to the query, e.g. /history.xml?ID=2, an individual view of
the historical data can be obtained. Fieldgate maintains pointers for each User ID indicating the time
when the last query was made. Only data records from this time onwards are presented.
Number of records The number of historical records held by Fieldgate is dependent upon the device version.
• With digital input 70 data records per channel/interface
• Without digital input 141 data records per channel/interface
8.2.1 Calling up the historical data
1 Open the historical data for the Fieldgate by typing in the following access address (URL):
http://<IP address or Domain Name>/history.xml
Example: http://www.fieldgate.de/history.xml or http://212.227.127.81/history.xml
2 The web page opens