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The relationship between the signal status and the port symbols is shown below:
Input port: no signal is detected; signal is detected
Output port: no signal is detected; signal is detected
Follow the steps below to modify the I/O port polarity:
1. Click the Port tab in the function window:
2. Click the target port and click Convert Polarity to reverse the current polarity.
3. The following functions are also supported:
o To test port signal output: Click Test On/Test Off. When the port symbol
becomes or , the port is under test.
o To cancel testing of the selected port: Click Cancel Test.
o To cancel testing of all ports: Click Cancel All.
o To set sampling interval, click Filter and drag the Interval slider. The system
will rule out signals whose duration is smaller than the interval.
3.4 Set Debugging Parameters
Debugging parameters need to be set for bus control systems to prevent machine motion
from causing unintentional damage.
Follow the steps below to set the debugging parameters:
1. In the menu bar, go to System > Global Parameters.
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