UFactory XARM User Manual page 60

2.5.3.3. Communicate with other Machines or PLCs
If general GND (0V) is established and the machine uses open-drain
output technology, digital I/O and other can be used device
communication, see the figure below.
2.5.4. General Analog I/O
This type of interface can be used to set or measure voltage (0-10V)
going into or out of other devices.
For the highest accuracy, the following instructions are recommended:
•
Use the GND terminal closest to this I/O.
•
The device and Control box use the same ground (GND). The analog
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