LEDs and connection

LEDs and connection 1:
EL2502-0010

LEDs

LED

Color

Meaning

Signal LED 1
Signal LED 2

green

Signal at the corresponding output

Tristate LED 1
Tristate LED 2

yellow

The corresponding output is in tristate

Error LED 1
Error LED 2

red

There is an error on the corresponding channel

Run LED

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 standard-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 terminal firmware updates

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