Actions To Take If Communication Is Not Established; Reconsider The Startup Steps - Yamaha RCX340 User Manual

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.
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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
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If communication is not established, check the following points.
• Connections
• Parameter settings : Are the node address / device ID on the host control device (Master) and the device ID on the
• ESI file
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7-segment LED
• Connections
Determine the network configuration
Connect cables
Noise countermeasures (only if necessary)
• Settings
Settings for the host control device (EtherCAT Master)
Use ESI file to register device information
Network parameter settings for the robot controller
(Node address or Device ID)
→After settings, put the system in the RUN state
Settings on the robot controller (EtherCAT Slave)
Network parameter setting (Device ID)
Note: This setting is not necessary for communication
with the node address.
Communication is established, and cyclic communication begins
: Do the cables meet the network specifications, and are they securely connected?
controller specified correctly?
: Is the correct ESI file registered on the host control device (Master)?
Network unit