LEDs

LEDs 1:
EJ7342 - LEDs

LEDs (left side)

LED

Color

Display

State

Meaning

RUN

green

off

Init

State of the EtherCAT State Machine: INIT = Initialization of the terminal or BOOTSTRAP = Function for firmware updates of the terminal

blinking

Pre-
Operational

State of the EtherCAT State Machine: PREOP = Setting for mailbox communication and variant standard settings

single flash

Safe-
Operational

State of the EtherCAT State Machine: SAFEOP = Channel checking of the Sync-Manager and the Distributed Clocks. Outputs stay in safe operation mode.

on

Operational

State of the EtherCAT State Machine: OP = Normal operation mode, mailbox- and process data communication possible

flickering

Bootstrap

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

Encoder

green

on

-

Encoder ready for operation

ENC A-A

green

on

-

Signal at encoder A input A

ENC A-B

green

on

-

Signal at encoder A input B

EN B-A

green

on

-

Signal at encoder B input A

EN B-B

green

on

-

Signal at encoder B input B

I 1

green

on

-

Signal at digital input 1

I 2

green

on

-

Signal at digital input 2

LEDs (right side)

LED

Color

Display

Meaning

Driver

green

on

Driver stage ready for operation

Power

green

off

The power supply voltage (48 VDC) is absent or
the motor control is blocked (Index 0x6010:02 is not set)

on

The power supply voltage (48 VDC) is present

Up

green

off

No 24 VDC power supply connected

on

24 VDC power supply connected

EN A,
EN B

green

off

The motor control of motor A / motor B is blocked (Index 0x6010:02 is not set) or EJ7342 is not ready for operation.

on

The motor control of motor A / motor B is activated (Index 0x6010:02 is set) or EJ7342 is ready for operation.

WARN A,
WARN B

yellow

off

No errors

on

Configuration error, e.g.:
• Motor power supply not connected
• 80°C temperature exceeded
• 100% duty cycle reached
•…

ERR A
ERR B

red

off

No errors

on

Configuration error of output stage A or B, e.g.:
• 100°C temperature exceeded
• short circuit
•…