Omron CJ1W-CORT21 Operation Manual page 119

Power-on or Reset
Y
Can bus power
fails
RUN LED
ERR LED
7-Segment display
Right dot inicator
Left dot indicator
CJ-series User Defined CAN Unit Operation Manual for NJ-series CPU Unit (W517)
Start
ST1
Initialise hardware
and software
Wrong CPU unit?
N
ST3
Not
Configured
Configure
memory area
N
ST4
Unit configured
Enable CAN
communication
Y
ST5
Communicating
CAN bus off
Disable CAN
communication
RUN LED = GREEN
ERR LED = OFF
7-Segment display = 02
Right dot inicator = OFF
Left dot indicator = ON
= GREEN
= OFF
= 01
= OFF
= ON
6 Troubleshooting and Maintenance
ST2
Y
Fatal Error
Y
N
N
Y
RUN LED = OFF
ERR LED = OFF
7-Segment display = OFF
Right dot inicator = OFF
Left dot indicator = OFF
RUN LED = RED
ERR LED = RED
7-Segment display = OFF
Right dot inicator = OFF
Left dot indicator = OFF
RUN LED = GREEN
ERR LED = OFF
7-Segment display = FF
Right dot inicator = OFF
Left dot indicator = OFF
RUN LED = GREEN
ERR LED = OFF
7-Segment display = FF
Right dot inicator = OFF
Left dot indicator = ON
RUN LED = GREEN
ERR LED = OFF
7-Segment display = 00
Right dot inicator = ON
Left dot indicator = ON
6-3
6