5-6
Testing Your Board
5. In the
Digital Output Panel
under
Output Bits
, set the bits of the
channel as desired as shown in Figure 5-4. (Click on each bit position
to turn it ON or OFF.)
6. In the
Digital Input Panel
under
Channels
, click on a channel to
select it and display the logical state of its input lines.
Output Set Test
The output set test checks whether logic levels measured at all output pins
agree with output bit patterns set by software, using a DriverLINX
graphical interface (AIO Panel).
Note:
This test is performed without user circuits being connected to the
outputs.
Perform the output set test as follows:
1. Ready the following equipment:
●
A digital voltmeter (DVM) or a digital multimeter (DMM) set to
measure voltages, or a logic probe capable of reading TTL logic
levels.
●
A suitable accessory and cable for the board being tested.
2. Turn OFF the host computer.
3. Connect the cable and accessory to your board.
4. Turn ON the host computer and boot Windows 95/98/NT.
5. Click the Windows 95/98/NT
Start
tab.
6. Start the AIO Panel as follows:
a.
In the
Start
menu, click
Programs
.
b.
Find the
DriverLINX
➧
Test Panels
folder, under which you
should find the
AIO Panel
entry.
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