12 Troubleshooting and Maintenance
12 - 18
GX-series EtherCAT Slave Unit User’s Manual
Event name I/O Disconnection Detected Event code 64CC0000 hex
Meaning An I/O signal line is disconnected.
Source EtherCAT Master Function Module Source details Slave Detection
timing
Continuously
after
communications
are established
Error attributes Level Minor fault Recovery Error reset (after
resetting Slave
Unit errors)
Log category System
Effects User program Continues Operation The relevant I/O will not operate.
LED EtherCAT NET RUN EtherCAT NET ERR EtherCAT LINK/ACT
--- Flashes at 1-s intervals. ---
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
I/O signal wiring is disconnected or
has a faulty connection.
Connect the I/O signal wiring
securely.
Connect the I/O signal wiring
securely. Check for vibration and
shock.
An I/O signal line is disconnected. Replace the I/O signal line. None
Attached
information
Attached information 1: Detected channel (for Analog I/O Unit)
Precautions/
Remarks
The emergency error code is 2130 hex.
Event name Slave Unit Verification Error Event code 84A00000 hex
Meaning A verification error occurred for the SII.
Source EtherCAT Master Function Module Source details Slave Detection
timing
When
establishing
communications
after turning ON
power to the
Slave Unit
Error attributes Level Minor fault Recovery Error reset (after
cycling Slave Unit
power)
Log category System
Effects User program Continues Operation The Slave Unit where the error occurred does not go to
Pre-operational state.
LED EtherCAT NET RUN EtherCAT NET ERR EtherCAT LINK/ACT
--- --- ---
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An error occurred in the control
board.
If cycling the power supply does not
correct the problem, replace the
Slave Unit.
None
Attached
information
None
Precautions/
Remarks
The emergency error code is 6140 hex.
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