Omron CJ1W-EIP21 User Manual

10

Command 
format error

01

Command too long

Command 
data

The command is too 
long.

Check the command format of 
the command and set it cor-
rectly.

The command exceeded 
1,473 bytes when broad-
casting.

02

Command too short

Command 
data

The command is too 
short.

03

Number of items 
does not match 
amount of data

Command 
data

The specified number of 
items does not match the 
amount of write data.

Check the number of items 
and amount of data, and 
make them agree.

05

Header parameter 
error

Command 
data

Data for another node on 
the same network was 
received from the net-
work.

Check the command format of 
the command and set it cor-
rectly.

Attempted to send 
response data for a 
broadcast address.

11

Parameter 
error

00

Parameter error

Parameters in 
command 
data

The specified parame-
ters are incorrect.

Check the command data and 
set the parameters correctly.

The UDP/TCP socket 
number was not within 
the proper range.

Be sure the socket number is 
between 1 and 8.

The local UDP port num-
ber might be set to 0.

Set the local UDP port num-
ber correctly.

01

No data area code

Variable type 
in command 
data

A correct memory area 
code has not been used 
or EM Area is not avail-
able.

Check the command’s data 
area code in the Results Stor-
age Area and set the appro-
priate code.

03

Address out-of-
range error

First word 
address in 
command 
data

The first word is in an 
inaccessible area.

Check the data area range, 
and set a first word that is in 
an accessible area.

The specified bit number 
is not 00.

Check the command’s data 
area code in the Results Stor-
age Area. The bit address 
must be 00 for EtherNet/IP 
Units.

04

Address range over-
flow

Command 
data

The address range speci-
fied in the command is 
not correct.

Set the address in the com-
mand data so that the start 
address plus the number of 
words does not exceed 
accessible memory.

0B

Response too long

Command 
data

The response frame is 
longer than allowed.

Correct the number of data 
elements or other parameters 
in the command data for 
which the response is being 
returned.

0C

Parameter error

Parameters in 
command 
data

The specified parame-
ters are incorrect.

Check the command data and 
set the parameters correctly.

21

Cannot 
write

08

Cannot change

IP address 
conversion 
method

A FINS message was 
received from an IP 
address that differed from 
the ones in the Unit 
Setup with FINS node 
addresses that could not 
be dynamically changed.

Correct the relationships 
between IP addresses and 
FINS node addresses. Refer 
to SECTION 5 Determining IP 
Addresses for details.