LEDs

LEDs 1:
EJ2522-LEDs

LEDs (left side)

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

A1, A2,

B1, B2,

C1

green

Off

 

Output inactive

on

 

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

1-channel mode:
A1, B1, C1

2-channel mode:
A1, A2, B1, B2

 

LEDs (right side)

LED

Color

Display

State

Description

UP (5V)

green

off

-

Supply voltage incremental encoder (5 VDC) not available

on

-

Supply voltage incremental encoder (5 VDC) available