Epson RC700 Manual page 266

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
(3) Absent Slave Status: MS/NS LEDs
MS (Module Status)
NS (Network Status)
(4) Physical Node Location of Absent Slave
(5) Error Occurrence Condition
256
LED
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.
LED
Controller
Master
Ethernet Switch
A communication time out error occurred.
 Immediate occurrence (high reproducibility)
 Rare occurrence (low reproducibility)
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.
RC700 / RC90 Option Fieldbus I/O Rev.12
Light Condition
 ON  Blinking  OFF
 ON  Blinking  OFF
Light Condition
 ON  Blinking
 ON  Blinking
Slave
 OFF
 OFF