Omron FB LIBRARY -, Startup Manual

Page: 19 / 162

2-1-8. Creating I/O Table
Turn all node PLCs ON, connect the support tool, then create the I/O table.
By these procedure, Controller Link unit constructs the network.
Lit TER LED (yellow)
Not lit ERC/ERH LED (red)
Lit INS LED (yellow)
Lit RUN LED (green)
2-1-9. Operation Condition Check with LED
Check whether ERR/ALM LED (red) of the CPU unit is lit off.
Check whether LEDs of the Controller Link unit are as shown below.
<Reference> LED shows the operation condition.
2-1 Controller Link Unit
CJ1W-CLK21-V1
Name Color Status
Lit
Not lit
Lit
Not lit
Lit
Not lit
Lit
Not lit
Lit
Not lit
Lit
Not lit
Lit
Not lit
Lit
Manual
(see note)
Not lit Automatic
Lit
Flashing
Not lit
RUN
(operating) Green
TER
(terminating
resistance) Yellow
ERC
(communica-
tions error)
ERH
(PLC error)
INS
(network
participation)
Red
Red
Meaning
Unit operating normally.
Unit error.
Terminating resistance switch is ON.
Terminating resistance switch is OFF.
Communications error, node address
setting error (same address set twice), or
hardware error
Normal operation
PLC error, PLC interface error, EEPROM
error, unit number error, or I/O table not
set
No error.
Unit is participating (inserted) in the
network.
Unit is not participating (inserted) in the
network.
Yellow
SD
(send)
RD
(receive)
M/A
(data link
mode)
LNK
(data link)
Yellow
Yellow
Yellow
Yellow
Data transmission.
No data transmission.
Data reception.
No data reception.
Note:
M/A is always not lit when
data links are not active in
the network.
Data links participating.
Error in data link table.
Not in a data link or data link inactive.