Rockwell-automation 1747-DSN DISTRIBUTED I/O SCANNER Manual de usuario descargar pdf (Pagina 36)

Chapter 4

Operation and Troubleshooting

4–6

The scanner has two LEDs that indicate its operating status, FAULT and

COMM. The FAULT LED indicates the scanner’s overall status. The

COMM LED indicates the DIO Link communications status.

The FAULT LED is off whenever the scanner is operating properly. The

COMM LED state is valid only when the FAULT LED is off.

The table below provides the scanner and communications status as indicated

by the FAULT and COMM LEDs.

FAULT LED COMM LED Status Information

Flashing Red Don’t care Scanner configuration error

No network communication attempted

Duplicate scanner detected on network

Solid Red Don’t care Major fault on scanner

No network communication attempted

Off Solid Red Hardware fault detected

Off Off Scanner is operating properly

Scanner is offline (no network communication

attempted)

Off Solid Green Scanner is operating properly

Scanner is online (active communication

established with all I/O blocks)

Off Flashing Green Scanner is operating properly

At least one configured I/O block is not

communicating

Off Flashing Red Scanner is operating properly

None of the configured I/O blocks are

communicating

Status LEDs

1 2 ... 31 32 33 34 35 36 37 38 39 40

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Rockwell-automation 1747-DSN DISTRIBUTED I/O SCANNER Manual de usuario Pagina 36