Epson EM07ZS1647F User Manual page 154

4. Troubleshooting (EtherNet/IP)
4.3.1.2 Check Network Status
(1) Master Status: MS/NS LEDs
MS (Module Status)
NS (Network Status)
(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
2. See the MS/NE LEDs of all slaves if the master has no status information.
(3) Absent Slave Status: MS/NS LEDs
MS (Module Status)
NS (Network Status)
(4) Physical Node Location of Absent Slave
Ethernet Switch
A communication time out error occurred.
(5) Error Occurrence Condition
Immediate occurrence (high reproducibility)
Rare occurrence (low reproducibility)
142
LED
information.
LED
RC420
Master
Color
Green Red
Green Red
Color
Green Red
Green Red
Ethernet Switch
Slave
Slave
Slave
Slave
Start the examination from this block
when the error occurred here.
Light Condition
ON Blinking
ON Blinking
Light Condition
ON Blinking
ON Blinking
Slave
Fieldbus I/O Rev.6
OFF
OFF
OFF
OFF