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Crystal Instruments Spider - DIO Setting; Programming the DIO

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Spider DSA User’s Manual
80
EX_PWR
Output pin
EX_GND
Spider81 DIO Port
+3.3V/+12V
GND
RL
1K ohm
Figure 32. Output Connection to LED
DIO Setting
Digital output is initialized when the system is booted up. The digital output pins
follow the initialization mode. For example, if output pin #03 is set to Low-High,
when the system starts up, the pin #03 will send Low-High output.
In Spider-80X, there is an input/output flipping feature. Check the input or
output pin box(es) and click << or >> to switch input pins to output pins or
switch output pins to input pins. In all other Spider platform, this feature is
grayed out.
Programming the DIO
A digital output is sent when a digital output action is triggered by an event in the
Event Action Rules. The output signal can be set as a pulse or a step in the

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