Omron SYSMAC CJ1W-EIP21 Operation Manual page 208

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