LEDs

LEDs 1:
EJ2521-0224 LEDs

LED

Color

Display

State

Description

RUN

green

off

Init

State of the EtherCAT State Machine: INIT = initialization of the plug-in module

flashing

Pre-
Operational

State of the EtherCAT State Machine: PREOP = function for mailbox communication and different default settings set

single flash

Safe –
Operational

State of the EtherCAT State Machine: SAFEOP = verification of the Sync Manager channels and the distributed clocks.
Outputs remain in safe state

on

Operational

State of the EtherCAT State Machine: OP = normal operating state; mailbox and process data communication is possible

flickering

Bootstrap

State of the EtherCAT State Machine: BOOTSTRAP = function for firmware updates of the plug-in module

L

green

off

-

There is no input signal at the latch input

on

-

Input signal at the latch input

A, B

green

off

 

Output inactive

on

 

The illumination of the LEDs for the active frequency outputs A or B at higher frequencies can only be perceived as a glow at half brightness.

O1 .. O2

green

off

-

No output voltage at the respective output

 

on

-

+24 VDC output voltage at the respective output