Omron SYSMAC CJ1W-EIP21 - Manual (Page 208)

182
Setting Tag Data Links Section 6-2
Icon Status
(gray)
Offline
Default (no configuration)
(turquoise edge)
(green) Idle (CPU Unit of PLC is in PROGRAM mode.)
(blue)
Communications normal (CPU Unit of PLC is in RUN or MONI-
TOR mode.)
(yellow)
Warning (A non-fatal error has occurred in the CPU Unit of the
PLC.)
(red)
Alarm (A fatal error has occurred in the CPU Unit of the PLC.)