IAI America CON-PGA - Manual (Page 169)

6. Operation of SEP
Related Controllers
161
6.13 Test (I/O Tests, Operation Tests for Axis Movement)
You can perform I/O tests and operation tests for axis movement.
Touch [Initial Set] on the SEP menu screen.
Touch [Test].
Touch [Menu] to return to the SEP menu screen.
Select and touch either [I/O Test] or [TestPlay].
x I/O Test: PIO input signals can be monitored.
Also, the output signals can be forcibly turned ON or OFF by touching OUT0, OUT1, OUT2
and OUT3.