Some of the states must be implemented to application by using EXT programming library. For more information about EXT programming library, refer to Epec Programming and Libraries Manual.

State

Green LED

Red LED

Blue LED

Implemented by

Explanation

Power off

-

-

-

-

No supply voltage

Power on and no SW running

-

ON

-

HW

Supply voltage is on, software is not running.

Power on and SW at init phase with no errors

ON

-

-

Boot/Firmware

Boot/Firmware is at init phase.

No application

5 Hz

-

-

Firmware

Firmware is running, no PLCopen application

Application stopped

ON

-

-

Firmware

Application is stopped.

Fatal error

-

ON

-

Boot/Firmware/HW

Control unit boot-up failed or a critical error while running.

Update

Blinks alternately with red LED

Blinks alternately with green LED

 -

Boot

After firmware update boot-up, during the installation phase, red and green LEDs are flashed alternately.

Application init

ON

-

-

Application

LED is continuously on also during the initialization: starting from power on until the application is running and the I/O / CAN initializations are done.

ApplicationOk + No Safe Operational

-

-

2 Hz

Application

Application is running and the system is OK and in safe state (safety switches are open - no voltage is provided to outputs)

ApplicationOk + Safe Operational

2 Hz

-

-

Application

Application is running and the system is OK and in safe operational state (safety switches are closed)

Application Error (system not OK)

-

2 Hz

-

Application 

Application error. The system is not OK.

Application custom control

Application specific

Application specific

Application specific

Application 

Application can override code template's LED control by application specific implementation