EL4122 - Connection, display and diagnostics

EL4122 - Connection, display and diagnostics 1:
LEDs and connection EL4122

LEDs

LED

Color

Meaning

RUN

green

These LEDs indicate the terminal's operating state:

off

State of the EtherCAT State Machine: INIT = initialization of the terminal or BOOTSTRAP = function for firmware updates of the terminal

flashing

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

single flash

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

If several RUN LEDs are present, all of them have the same function.

Connection

Terminal point

Comment

Internally connected with connector

Max. current carrying capacity *)

Designation

No.

Output 1

1

Output 1

-

Specified by output power

+24 V

2

+24 V

6, positive power contact

4 A

0 V

3

0 V, signal ground for Output 1

7, negative power contact

4 A

Shield

4

Shield (FE)

8, mounting rail

100 mA **)

Output 2

5

Output 2

-

Specified by output power

+24 V

6

+24 V

2, positive power contact

4 A

0 V

7

0 V, signal ground for Output 2

3, negative power contact

4 A

Shield

8

Shield (FE)

4, mounting rail

100 mA **)

*) Constant and peak value
**) Shield lines should be de-energized!