Adjust I/O Port Polarity - WEIHONG 200 Series Manual

3. Optional: If the current system configuration is not what you need, press ↑ / ↓
to move the cursor to the desired one, and press Enter.
Restart the software to validate the modification.

2.2 Adjust I/O Port Polarity

This operation is used to adjust polarities of input / output ports in the software in
terms of the switch type, and clear alarms of I/O ports, so as to establish correct
communication between the system and the drive:
• The polarity of normally closed switches should be N.
• The polarity of normally open switches should be P.
Except special customization, the polarities of output ports are N in general.
Before checking I/O ports, ensure the machine tool is connected well and powered
on.
To adjust I/O port polarity, do the following:
1. To enter into Port interface, press
2. If the status of the following ports is different from the actual status of the
machine tool, check the connection:
– ESTOP
– Servo Alarm
– Tool Calibration Signal of Z-axis
– Mechanical Zero
– Cycle Start
– Cycle Stop
If the connection is not correct, tighten the connection; if it is, proceed to the
next step.
3. Press ↑ / ↓ to select the target port, enter the manufacturer password, and click
Modify Polarity to convert its polarity.
Restart the software to validate the modification.
In Port interface, you can also execute other operations about port. See
Simulation Test on Ports for details.
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