Request Command
Parameter
name
Offset ad-
dress
Size
(bytes)
Description
Example of
V
endorID
readout
*1
Sequence
No.
0 2 The user specifies an arbitrary number. The number
specified here is stored in the sequence No. of the re-
sponse command corresponding to the request com-
mand.
1000
Reserved 1 2 2 Reserved. Specify 0. 0000
Data Size 4 2 Specify the command size after the Reserved 2 pa-
rameter
.
0800
Reserved 2 6 1 Reserved. Specify 0. 00
Service
code
7 1 CIP service 0E
Class ID 8 2 Controller object class ID 0100
Instance ID 10 2 CIP object instance ID 0100
Attribute ID 12 2 CIP object attribute ID. Specify if attribute ID specifica-
tion is required in the specified CIP service This can
be omitted if such specification is not required.
0100
Data
12
*2
Maximum
492
*3
Specify request data. ---
*1. Hexadecimal data in little-endian format.
*2. The offset address will be 14 if the attribute ID is specified.
*3. The size will be 488 bytes if the attribute ID is specified.
Response Command
Parameter
name
Offset ad-
dress
Size
(bytes)
Description
Example of
V
endorID
readout
*1
Sequence
No.
0 2 This is the sequence number specified in the request
command corresponding to the response command.
1000
Data Size 2 2 The command size after the Reserved parameter is
stored.
0600
Reserved 4 1 Reserved. 0 is stored. 00
Service
code
5 1 The executed service code + most significant bit 1 is
stored.
8E
General
status
6 1 00 is stored when the service ends normally, and a
value other than 00 is stored when the service ends in
error
.
Status codes stored when an error occurs conform to
the CIP General Status Code.
00
Additional
status size
7 1 00 is stored when the service ends normally.
If the service ends in error
, the Additional status size
(word size) stored in the Data area will be stored.
00
9 Socket Service
9-32
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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