4. Status LED
Description for LED status
Item
LED is:
State
To indicate:
MOD :
Module
Status LED
Off
No Power
No power is supplied to the unit.
Green
Device Operational
The unit is operating in normal condition.
Flashing Green
Device in Standby
The device needs commissioning due to configuration
missing, incomplete or incorrect.
Flashing Red
Minor Fault
Recoverable Fault
- EEPROM sum check error.
Red
Unrecoverable Fault
The device has an unrecoverable fault.
- Memory error or CPU watchdog error.
RUN:
Current
Running
Status LED
Off
INIT
State of the EtherCAT State Machine: INIT = Initialization
Blinking Green
Pre-Operational
State of the EtherCAT State Machine: PREOP
= Pre-Operational
Single Flashing
Green
Safe-Operational
State of the EtherCAT State Machine: SAFEOP
= Safe-Operational
Flashing Green Initialization or Bootstrap
State of the EtherCAT State Machine: BOOT
= Bootstrap (Update of the coupler firmware)
Green
Operational
State of the EtherCAT State Machine: OP = Operational
ERR:
Error
Status LED
Off
No Error
No Error
Blinking Red
Invalid Configuration
Invalid Configuration
Single Flashing
Red
Unsolicited State Change Local Error
Double Flashing
Red
Application Watchdog
Timeout
Process Data Watchdog Timeout / EtherCAT Watchdog
Timeout
Flashing Red
Booting Error
Booting Error
Red
PDI Watchdog Timeout Application Controller Failure
I/O :
Expansion
Module
Status LED
Off
Not Powered
No Expansion Module
Device has no expansion module or may not be
powered
Flashing Green
FnBus On-line,
Do not Exchanging I/O
FnBus is normal but does not exchanging I/O data
(Passed the expansion module configuration).
Green
FnBus Connection,
Run Exchanging IO
Exchanging I/O data
Flashing Red
FnBus connection fault
during exchanging IO
One or more expansion module occurred in fault state.
- Changed expansion module configuration.
- FnBus communication failure.
Red
Expansion
Configuration
Failed
Failed to initialize expansion module
- Detected invalid expansion module ID.
- Overflowed Input/Output Size
- Too many expansion module
- Initial protocol failure
- Mismatch vendor code between adapter and
expansion module.
Field
Power
Status LED
Off
Not Supplied Field
Power
Not supplied 24Vdc field power
Green
Supplied Field Power
Supplied 24Vdc field power
* Indicator states and flash rates
