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Actions to take if communication is not established
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11. Actions to take if communication is not established
If communication is not established, diagnose the situation by referring to the alarm codes or alarm messages
of the controller unit and to the network unit's LED illumination pattern, and take the appropriate actions.
YRCX
Network unit7-segment LED
11.1 Reconsider the startup steps
The following steps must be taken when starting up the network system.
If communication cannot be established after the cabling and settings have been completed, it is possible that
one of the steps was not performed correctly.
■
Procedure
• Connections
Determine the network configuration
Connect cables
Noise countermeasures (only if necessary)
Communication is established, and cyclic communication begins
• Settings
Settings for the host control device (PROFINET IO controller)
Use GSD file to register device information
Network parameter settings for the robot controller
(station name, IP address, etc.)
→After settings, put the system in the RUN state
Settings on the robot controller (PROFINET IO device)
No items to set
If communication is not established, check the following points.
• Connections: Do the cables meet the network specifications, and are they securely connected?
• Parameter settings: Are parameters such as station name and IP address specified from the host control device
(IO controller)?
Is the topology specified?
• GSD file: Is the correct GSD file registered on the host control device (IO controller)?
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