LEDs and connection

LEDs and connection 1:Fig.4: EL2502‑0010

Connection

Terminal point

Description

Name

No.

Output 1

1

Output 1

+24 V

2

+24 V (internally connected to terminal point 6 and positive power contact)

0 V

3

0 V (internally connected to terminal point 7 and negative power contact)

PE

4

PE connection

Output 2

5

Output 2

+24 V

6

+24 V (internally connected to terminal point 2 and positive power contact)

0 V

7

0 V (internally connected to terminal point 3 and negative power contact)

PE

8

PE connection

LEDs

LED

Color

Meaning

Output 1
Output 2

green

Signal at the corresponding output

Tristate 1
Tristate 2

yellow

The corresponding output is in Tristate

Error 1
Error 2

red

There is an error on the corresponding channel

Run

green

This LED indicates the terminal's operating state:

off

State of the EtherCAT State Machine: INIT = initialization of the terminal

flashing uniformly

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

flashing slowly

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

on

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

flashing rapidly

State of the EtherCAT State Machine: BOOTSTRAP = function for Firmware updates of the terminal