Rockwell-automation 1790D-XXXX DeviceNet Digital Base D-Shell Module C Manual do Utilizador descarregar pdf (Página 15)

DeviceNet Digital Base D-shell Block CompactBlock LDX I/O 15

Publication

1790-IN013A-EN-P - September 2006

Interpret the LED Indicators

Read this section for information about how to interpret block LED

indicators and related procedures.

For a module status indicator that is flashing red, refer to the cable

break procedure section.

The base block has the following indicators:

• Block status

• Network status

• I/O status

Interpret the LED Indicators

LED Indicator Probable Cause Recommended Action

Module Status

Solid Red Unrecoverable fault in base unit. Replace base block.

Flashing Red Fault in expansion unit. Replace expansion unit.

Solid Green Normal operation. None.

Off No power. Apply power to device.

Network Status

Solid Red Module node number is a duplicate of an

existing node, or network

communication issues exist.

Change module node

number to an unused

address, or verify

network wiring is correct

and communication is

stable.

Flashing Red An I/O connection has timed out. Cycle power to the

module.

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