Omron CJ1W-NC271 - 12-2009 Operation Manual page 520

Error Codes
Indicator status
RUN ERC ERH
Lit Flash- Not lit
ing
Note
492
Category
ERM MLK
Not lit Unde- Illegal Multistart
ter- operation error
mined
FINS
command
time moni-
toring
error
Illegal Write
data transfer
error
Read
transfer
error
Transfer
cycle set-
ting error
Initializa-
tion com-
mon
parame-
ter check
error
Data
transfer
common
parame-
ter check
error
An error will occur if the scan list contains more than the maximum number of
axes for the CS1W-NC271/NC471 or CJ1W-NC271/NC471.
Error Error Probable
name code cause
0021 An operation
command that
cannot be
executed has
been sent to
the PCU.
0024 Communica-
tions between
the computer
and PCU were
interrupted for
more than 5 s
after switch-
ing the CX-
Motion-NCF
to an opera-
tion monitor
window.
0022 An attempt
has been
made for the
PCU to write
data to an ille-
gal address,
or to write
data using an
illegal data
size.
0023 An attempt
has been
made for the
PCU to read
data from an
illegal
address, or to
read data with
an illegal data
size.
0027 The set value
for the transfer
cycle set in
the PCU's
Common
Parameters is
too small for
the number
and type of
connected
MECHA-
TROLINK
devices or the
maximum axis
number.
0028 An illegal set
value has
been detected
in the Com-
mon Parame-
ters during
PCU initializa-
tion. (See
note.)
0029 An illegal set
value in the
Common
Parameters
was trans-
ferred to the
PCU using
WRITE DATA.
(See note.)
Section 12-4
Clearing method Operation
after error
The operation com- Maintains
mand that was sent can-
not be executed. Check
the last command tim-
ing and change the
operation sequence.
Check the communica- Connec-
tions path between the tion
computer and PLC and released
remove any problems. after decel-
eration
The Position Control
stop
Unit is set to continue
monitoring communica-
tions with the computer.
Restart the PCU to clear
the communications
monitoring status.
The data transfer for the Maintains
command cannot be
executed. Check the
contents of the last com-
mand, and correct the
data transfer settings.
The data transfer for the Maintains
command cannot be
executed. Check the
contents of the last com-
mand, and correct the
data transfer settings.
Set and save a transfer Connec-
cycle set value in the tion
Common Parameters released
that is suitable for the suddenly
number and type of con-
nected MECHA-
TROLINK devices and
the maximum axis num-
ber, and then restart the
PCU.
When this error occurs, Maintains
the corresponding set-
ting in the Common
Parameters is set to the
default value (0). After
executing ERROR
RESET, transfer and
save the correct Com-
mon Parameter setting
and restart the PCU.
The transferred set Maintains
value is discarded and
the set value in the Com-
mon Parameters before
the transfer is restored.
After executing ERROR
RESET, transfer the cor-
rect Common Parame-
ters setting.