Rockwell-automation 9301 Series RSView32 Users Guide Manual de usuario Pagina 77

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Setting up OPC and DDE communications 3–15
Example: Configuring a DDE node
The following example describes how to create a node to connect to a
GE programmable controller using the RSServer for GE Series 90
protocol.
Application: SNPWIN
The application name is the server’s name.
Topic: cpuid[@connection_ID][:poll_rate]
The topic name is made up of a CPU ID string, an
optional connection ID string (preceded by the @
character) and an optional poll rate (preceded by the :
character).
The figure below shows how the node looks in the Node editor. The
CPU ID is CPUID1, the connection ID is PORT5, and the poll rate
is 10.
The
application and
topic appear in
the
spreadsheet's
Station or
Server column,
separated by a
vertical bar.
Some columns do not apply to DDE
nodes and are left blank.
The application
and topic appear in
the spreadsheet’s
Station or Server
column, separated
by a vertical bar.
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