R/E

N/A

off

Boot phase

-

green

on

Application found and executed

flashing

Application exists but is not being processed

orange

on

EcoStruxure Machine Expert - Safety software is in RUN (Debug) state

flashing

EcoStruxure Machine Expert - Safety software is in STOP (Debug) state or HALT (Debug) state, application stopped

fast flashing

No application found on the memory key

ENTER⁽¹⁾

green

on

Waiting for confirmation

-

1x flash every 0.8 s

Confirmation of correct entry

flashes (1 Hz) for 5 s

Operator error detected

MXCHG⁽¹⁾

orange

off

Valid module configuration

-

Replacement of one module detected

Select the position 1 on the selection switch and press the confirmation button ENTER.

Replacement of two modules detected

Select the position 2 on the selection switch and press the confirmation button ENTER.

Replacement of three modules detected

Select the position 3 on the selection switch and press the confirmation button ENTER.

Replacement of four modules detected

Select the position 4 on the selection switch and press the confirmation button ENTER.

Replacement of more than four modules detected

Select the position n on the selection switch and press the confirmation button ENTER.

Missing module detected

-

FW-ACKN⁽¹⁾

orange

off

Valid firmware configuration

-

flashing

Firmware update successful

Select the position FW-ACKN on the selection switch and press the confirmation button ENTER.

on

Memory key was exchanged

Select the position SK-XCHG on the selection switch and press the confirmation button ENTER.

F

A

I

L

red

F

A

I

L

These four LEDs indicate first the boot status, then, when the system is running, the general state of the controller.

-

x

-

x

x

oBoot phase

oLoading of the firmware

oMemory key is missing

oProject CRC (Cyclic Redundancy Check) is wrong or not defined

oSafety Logic Controller cycle time is exceeded

If the LED status persists:

oRefer to the Safe logger for additional diagnostic information on the error.

oVerify if the memory key is plugged correctly.

oRe-download the corresponding project, and verify the project CRC.

oVerify the cycle time and increase it if necessary.

x

x

x

x

Hardware test (max. approx. 5 s)

-

x

X

x

X

Initialization and start-up of the firmware

-

-

-

X

Pre-operational state

-

-

-

-

Operational state

x

x

x

x

Controller in error state⁽²⁾

x = illuminated

X= brightly illuminated

- = off

alternating flashing of FI and AL

EcoStruxure Machine Expert - Safety software is connected and in RUN (Debug) state

SKEY

orange

off

No access to the memory key

-

flashing

Access to the memory key

(1)    When a module scan is being executed, the ENTER, MXCHG, and FW-ACKN LED indicators are flashing.

(2)    When the controller is in error state, the states of the other LED indicators (R/E, ENTER, MXCHG, and FW-ACKN) are not updated.

1

Position the selection switch to TEST.

2

Press the confirmation button.

Result: All LED indicators on the logic processor illuminates for as long as you press the confirmation button.