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3.4 Adjust the Port Polarity
The polarities of input / output ports in the software are specified in terms of the
switch type:
• P: Normally closed switches.
• N: Normally open switches.
To adjust the port polarity, do the following:
1. To enter the menu interface, press .
2. To enter the diagnosis interface, select 8. Diagnosis by pressing /
, and press .
3. To check the port polarity, select 2. Port List by pressing / ,
and press :
4. To modify the port polarity for the target port, select the target port by pressing
/ , and press → .
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