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SMART TRAC DM6420 Multi I/O Card
10
••
Software Configuration Engineer's Guide EM-3643-0050
Figure 5. The DM6420 Configuration screen.
6. Enter the Input/Output
Scan Rate
in milliseconds.
7. Enter the
I/O Base Address
as 0x0300, unless you have selected a
non-default value (see the Smart Trac DM6420 Multi I/O Card
Technical Manual).
8. Click
Digital I/O
. The Digital I/O Configuration screen appears.
Figure 6.
The DM6420 Digital I/O Configuration screen.
9. Using Port 0, you may select directions (Input or Output) for individual
bits. Using Port 1, you may select direction (Input or Output) only for
entire bytes. Make selections by clicking the associated radio buttons
according to the following information:
•
For Port 0, configure
Bit 1
through
Bit 8
as either an input or an
output.
•
Select a
Logic Type
, either Negative or Positive. Negative means
that a high voltage condition reads as a Boolean FALSE. Positive