Rockwell-automation 1756-Lx_Mx ControlLogix Controller and Memory Boar Manual do Utilizador descarregar pdf (Página 33)

ControlLogix® Controller and Memory Board 33

Publication

1756-IN101J-EN-P - November 2004

Interpret Controller LEDs

RUN Indicator

I/O Indicator

Color Description Recommended Action

off The controller is in Program or Test

mode.

See “Choose the Operating

Mode of the Controller” on

page 39.

solid green The controller is in Run mode.

Color Description Recommended Action

off Either:

• There are no devices in the I/O

configuration of the controller.

• Add the required devices to

the I/O configuration of the

controller.

• The controller does not contain a

project (controller memory is empty).

• Download the project to the

controller.

solid green The controller is communicating with

all the devices in its I/O configuration.

None

flashing

green

One or more devices in the I/O

configuration of the controller are not

responding.

Go online with RSLogix 5000

software and check the I/O

configuration of the controller.

flashing red The chassis is bad. Replace the chassis.

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Rockwell-automation 1756-Lx_Mx ControlLogix Controller and Memory Boar Manual do Utilizador Página 33