Problems with communication with I/O units
Maintenance/Troubleshooting
1-75
I/O Check
Connect the loopback cable to the DIO board, send data from the two output terminals to
the six input terminals, and compare the input and output data. When the data matches
with the expected value, [OK] is displayed on the screen. When the data does not match
with the expected value, [NG] is displayed. The connection can be checked based on this
result.
• For more details, refer to the settings guide.
)
“2.14.2 When the DIO board type GP3000 series is used u I/O Driver (I/O Check)”
(page 2-109)
1. Enter offline mode and touch
[Peripheral Settings] in the item
change over buttons.
2. When the [Peripheral Settings]
screen opens, touch [I/O
Driver].
3. When the [I/O Driver] screen
opens, touch [I/O Check].
4. When the [I/O Check] screen
opens, touch [Start].
5. The connection check execu-
tion screen is displayed. When
the connection is valid, [OK] is
displayed. When there is a
problem, [NG] is displayed.If
the result is [OK], please check
whether the device connected to
the DIO board operate properly
or the cable is OK.if [NG] dis-
played, the GP unit may be
faulty. Please contact your local
GP distributor.
)
