Rockwell-automation 842E EtherNet/IP Absolute Encoder User Manual Manuale Utente Scaricare il pdf (Pagina 51)

Rockwell Automation Publication 842E-UM001A-EN-P May 2012 43

Chapter 7

Diagnostics and troubleshooting

This chapter describes the diagnostic process to correct and clear fault conditions

on the 842E encoder.

Status indicators

The Mod LED shows the device status, the Net LED shows the status of the CIP

connection, and the Encoder LED shows the status of the internal measuring

device in the 842E EtherNet/IP encoder.

Five LED indicators provide status information on the back of the encoder. The

figure below shows their location and the tables below describe their status.

Read the LEDs according to the following tables.

ATTENTION

Cease operation if the cause of the malfunction has not been identified!

Stop the machine if you cannot clearly identify the error and/or if you cannot

safely rectify the malfunction.

LED Net Description

OFF No power

No IP address

Green flashing No connection

The device has an IP address but no CIP connection.

Green The device has an IP address and a CIP connection.

Net

Mod

Link 1

Screw cover

Encoder

Link 2

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Rockwell-automation 842E EtherNet/IP Absolute Encoder User Manual Manuale Utente Pagina 51