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14.7  I/O Check
14.7.3  I/O check operation
14.7.3 I/O check operation
1 Target confirmation
1 As a preparatory step for the CPU communication 
check, perform the following items.
• Installing [Communication driver]: Use GT 
Designer2 to install.
• Setting [Communication settings]: Use GT 
Designer2 to enter and download.
• Connecting connection device: Connect a PLC to 
the communication interface for which the CPU 
communication check is applied in order to start the 
communication.
(Check for the power is on or if any error occurred.)
2 If touch the   button, the CPU communication 
check is carried out.
3 After the CPU communication starts normally, the 
dialog mentioned left notifying that it is on checking, 
until the CPU communication check ends normally.
4 When the CPU communication check ends, its result 
is notified by dialog.
If the CPU communication check ends normally, the 
dialog notifying of the normal termination mentioned 
left is displayed. If touch the  button in the dialog after 
confirming the result, returns to I/O check.
If the dialog mentioned left is displayed after 
selecting   or during CPU communication check, 
confirm the following.
• No misconnection with CPU
( GOT1000 Series Connection Manual)
• No hardware error
( GOT1000 Series Connection Manual)
• No missettings of parameter
( Section 10.2 Communication Detail Settings)
If touch the   button in the dialog after confirming 
the result, returns to I/O check.
CPU
CPU
OK