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Analog Detail Screen
The analog detail screen provides an operator faceplate, identical in function to that
described on the group display. Two additional software modules, not part of the
GraphWorX32 module, are used on the analog detail screen. The Trend Viewer module
and the Persistent Trending module. When the screen is first displayed, the Trend Viewer
displays the historical trend data from the ATD (Analog Trend Display) function blocks
in the loop and then updates the display using the persistent trending feature. Use of the
ATD function blocks for historical trending is available when using the Modbus OPC and
the Modbus Ethernet OPC servers.