Mitsubishi Electric MELSEC iQ-F Series Quick Connection Manual page 25

5.
Select [No Specification] of "Target Station", and then click [Communication Test]. When the connection has succeeded,
click [OK].
Precautions
When the communications test detects a connection failure, perform the following.
• Check the power supplies of the programmable controller and the servo amplifiers, wiring with Ethernet cables.
• Check the IP address and the subnet mask of the personal computer.
• Initialize the programmable controller.
For how to initialize the programmable controller, refer to the following.
GX Works3 Operating Manual [18.6 Initializing/Clearing a Memory]
3 PROGRAMMABLE CONTROLLER SETTINGS
3.4 Communication Settings of GX Works3
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