G-1
Appendix G
Dynamic Data Exchange (DDE)
Introduction G-1.
Dynamic Data Exchange (DDE) provides NetDAQ Logger data to other Windows
applications in real time. For example, with a DDE connection, data collected by
NetDAQ Logger can be displayed in a spreadsheet as it is being collected from the
instruments. This appendix includes a reference section for DDE and an example
using the Microsoft Excel spreadsheet application.
DDE Links Reference G-2.
DDE reference includes the Service Name, Topics, and Items:
Service Name Topics Items
NETDAQ for 16-bit
NETDAQ32 for 32-bit
BCNnn
(nn is the instrument BCN
between 01 and 99.)
’Cnn’
(nn is the channel number
between 01 and 30.)
DIO
(The status of the eight Digital
I/O lines are summarized in a
decimal number between 0
and 255.)
Totalizer
(The status of the Totalizer is
a number between 0 and
4294967294.)
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