User manual

Chapter 6 Diagnostics
Elpro_man_105g_1.18.doc Page 146
6.4 Fieldbus Indicating LEDs
All 105G modules (except MD1) are equipped with four fieldbus indication
LED's located in the module end plate, used for diagnostics purposes. The
meaning of the LED’s for each fieldbus is described below.
6.4.1 Ethernet Indicating LED’s
The 105G-ET1 module can communicate Modbus TCP or EtherNet IP based protocols. The
LED sequence will vary depending on Protocol being used and Ethernet Board firmware.
Changes to Ethernet Board firmware effect LED 2 indications when flashing. When flashing
this only indicates that an EtherNet IP connection has not been made to the 105G-ET1. Example
would be RSLogix has not had a Generic Ethernet Device added with 105G-ET1 IP address and
connection data.
If using Modbus TCP then LED’s 2 & 3 have no function in regards to the Modbus TCP
communications of the module
Led
No
Colour State Description
1 Green - The Link led indicates that the module is connected to an
Ethernet network.
2 Green Off No power applied to module.
2 Green Steady Device operating correctly.
2 Green Flashing
Module configured, Scanner in Idle State (EtherNet IP only)
2 Red Flashing Minor recoverable fault has been detected.
2 Red Steady Major internal error has been detected.
2 Green/Red Flashing Power on self-test.
3 Green Off No power applied or no IP address has been assigned.
3 Green Steady Module has at least one Ethernet/IP connection established.
3 Green Flashing No Ethernet/IP connections to the module.
3 Red Flashing Connection timeout
3 Red Steady Duplicate IP address
3 Green/Red Flashing Power on self-test.
4 Green Flashing Flashes each time a packet is received or transmitted.