GN-9289 User Manual
Page 11 of (70)
G-series GN-9289 Modbus TCP_UDP Rev. 1.01.docx
2.3. GN-9289 LED Indicator
LED No.
LED Function / Description
LED Color
MOD
Module Status
Green/Red
LINK
Physical Connection
Green
ACTIVE
Exchange Data/Traffic Present
Green
IOS
Extension Module Status
Green/Red
System Power
System Power Enable
Green
Field Power
Field Power Enable
Green
2.3.1. Module Status LED (MOD)
Status
LED
To indicate
Not Powered
OFF
Not power is supplied to the unit.
Device Operational Green
The unit is operating in normal condition.
Device in Standby Flashing Green
The device needs commissioning due to configuration missing,
incomplete or incorrect.
MODBUS Error
Green/Red
Toggle
MODBUS error such as watchdog error, etc.
Minor Fault
Flashing Red
Recoverable Fault.
- EEPROM checksum fault.
Unrecoverable
Fault
Red
The device has an unrecoverable fault.
- Memory error or CPU watchdog error.
2.3.2. Physical Connection LED(LINK)
Status
LED
To indicate
Not Powered or Not Linked
OFF
Device may not be powered
Adapter physical connected Green
Adapter Ethernet Controller physically connected