Unitronics
21
LED Indicators
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
MOD (Module Status LED)
Status
LED
Indication
Not Powered
OFF
Not power is supplied to the unit.
Device Operational
Green
The unit is operating in normal condition.
Devicce in Standby
Flashing Green
The device needs commissioning due to configuration missing,
incomplete or incorrect.
Protocol Error
Green/Red Toggle
Protocol error such as watchodg 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.