Rockwell-automation 1756-Lx_Mx ControlLogix Controller and Memory Boar Manual do Utilizador descarregar pdf (Página 36)

36 ControlLogix® Controller and Memory Board

Publication

1756-IN101J-EN-P - November 2004

OK Indicator

Color Description Recommended Action

off No power is applied. When ready, turn on power

to the controller.

flashing

red

If the controller is: Then:

a new controller

(just

out of the box)

The controller requires a

firmware update.

See “Update the

Controller” on page 29.

NOT a new

controller

(previously in

operation)

Major fault occurred. See “Clear a Major Fault”

on page 37.

solid red The controller detected a non-recoverable fault,

so it cleared the project from memory.

See “Clear a

Non-Recoverable Fault” on

page 38.

solid

green

The controller is OK None

flashing

green

The controller is storing or loading a project to or

from nonvolatile memory.

If the controller has a

CompactFlash card, leave

the card in the controller

until the OK LED turns solid

green.

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Rockwell-automation 1756-Lx_Mx ControlLogix Controller and Memory Boar Manual do Utilizador Página 36