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4. Troubleshooting (EtherNet/IP)

4.3.1.2 Check Network Status

(1) Master Status: MS/NS LEDs

LED Color Light Condition

MS (Module Status)  Green  Red  ON  Blinking  OFF

NS (Network Status)  Green  Red  ON  Blinking  OFF

(2) Node Number of Absent Slaves

Absent slaves are disconnected from or not added to the network.

1. See the status flag regarding to the removal and addition if the master has status

information.

2. See the MS/NE LEDs of all slaves if the master has no status information.

(3) Absent Slave Status: MS/NS LEDs

LED Color Light Condition

MS (Module Status)  Green  Red  ON  Blinking  OFF

NS (Network Status)  Green  Red  ON  Blinking  OFF

(4) Physical Node Location of Absent Slave

RC420

Slave

Ethernet Switch

Slave

Slave Slave

Master

Ethernet Switch

A communication time out error occurred.

Start the examination from this block

when the error occurred here.

(5) Error Occurrence Condition

 Immediate occurrence (high reproducibility)

 Rare occurrence (low reproducibility)

142 Fieldbus I/O Rev.6

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Epson EM07ZS1647F Specifiche Pagina 154