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Allen-Bradley devicenet modules in logix5000 control systems Manual Do Utilizador

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Publication DNET-UM004A-EN-P - March 2004
Using FLEX™ I/O Modules on a DeviceNet Network        14-5
Interpret the Status 
Indicators
The Flex I/O adapter 1794-ADN has the following status indicators.
Power status indicator
Module/Network (Mod/Net) status indicator
I/O status indicator
State:
Description:
On
Power applied to module
OFF
No power applied to module. Check power wiring to adapter 
module.
State:
Description:
OFF
No power, or no network access
Flashing GRN/OFF
On-line, but not connected
Solid GRN
On-line, link okay, connected
Flashing RED
Recoverable fault
Solid RED
Critical adapter failure
State:
Description:
OFF
No power, or outputs off
Flashing RED
Recoverable fault - outputs in fault
Flashing GRN/OFF
Idle program mode - outputs in idle
Solid GRN
Device operational -  outputs live - run
Solid RED
Critical adapter fault - unrecoverable