Omron CJ1W-CORT21 Operation Manual page 62

2 Nomenclature and Installation
Seven Segment Digits
Unit not mounted in CPU Rack
Initializing (State ST1*)
Start-up error (State ST2*)
Unit not configured (State ST3*)
CAN communications are disabled (State ST4*)
CAN communications are enabled (State ST5*)
CAN network power failure
CAN bus off
*See section 2-2-5 Unit States for more information.
Dot Indicator
The following table shows the functions of the dot indicators.
Indicator
Left dot
Right dot
*See section 2-2-5 Unit States for more information.
 Normal Start-up
During a normal start-up the indicators will show the following information:
Power OFF
State is ST0*
Power ON
State = ST3*
2-4
Status
Function
Unit operational
Communication
enabled/disabled
Action
RUN
ERR
7-Segment
Left dot
Right dot
RUN
ERR
7-Segment
Left dot
Right dot
CJ-series User Defined CAN Unit Operation Manual for NJ-series CPU Unit (W517)
Display
Not Lit
Lit: FF
Lit: 00
Blink: 01
Blink: 02
Status
ON: The Unit is configured and communication is enabled
or disabled and in state ST4* or ST5*.
OFF: The Unit has a start-up error or is not yet configured
and Unit state is ST1*, ST2* or ST3*.
BLINK: The Unit state is ST2*.
ON: Communication is enabled and Unit state is ST5* (left
dot is lit).
OFF: Communication is disabled if left dot is lit, otherwise
the Unit is in state ST1*, ST2* or ST3*.
Indicator State
-
-
--
-
-
Green
-
FF
-
-