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4 Part Names and Functions
NX-series EtherCAT Coupler Unit User’s Manual (W519)
4-2 Indicators
4
4-2 Indicators
This section describes the indicators on the EtherCAT Coupler Unit.
The TS indicator shows the status of the EtherCAT Coupler Unit and the communications status
between the EtherCAT Coupler Unit and the NX Units.
TS Indicator
Color Status Meaning
Green
Lit. The Unit is operating normally.
Flashing at 2-s inter-
vals.
• Initializing
Flashing at 0.5-s
intervals.
• Unit configuration information is not set.
Red
Lit. • Hardware failure
• Non-volatile Memory Checksum Error
• Unit Configuration Error
• Unit Configuration Information Error
• Unit Configuration Verification Error
• ESC Error
• ESC Initialization Error
• Slave Unit Verification Error
• Memory Corruption Detected
• NX Unit Startup Error
• Other error for which the EtherCAT Coupler Unit needs to be
replaced.
Flashing at 1-s inter-
vals.
• NX Unit Communications Timeout
• NX Unit Initialization Error
• Synchronization Interruption Error
• Synchronization Error
• Communications Synchronization Error
• Process Data WDT Error
• Errors related to EtherCAT communications settings
• Illegal State Transition Request Received
• Error State Transition Received
• Synchronization Cycle Setting Error
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Not lit. • There is insufficient or no Unit power supply.
•Restarting
• Waiting for initialization to start.