Command Format Specifications - Omron sysmac NX102-9 Series Owner's Manual

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Command Format Specifications

 Request Command
Parameter
name address
Sequence 0
No.
Reserved 1 2
Data Size 4
Reserved 2 6
Service 7
code
Class ID 8
Instance ID 10
Attribute ID 12
Data
12
*1 This shows in hexadecimal and little-endian.
*2 14 when attribute ID is specified.
*3 488 when attribute ID is specified.
 Respond Command
Parameter
name address
Sequence 0
No.
Data Size 2
Reserved 4
Service 5
code
General 6
status
Additional 7
status size
Data 8
*1 This shows in hexadecimal and little-endian.
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
Offset Size
(bytes)
2 The user specifies any number. The number specified
here is stored in the sequence No. of the response
command corresponding to the request command.
2 Reserved. Specify 0.
2 Specify the command size after Reserved 2 parameter. 0800
1 Reserved. Specify 0.
1 CIP service
2 CIP object class ID
2 CIP object instance ID
2 CIP object attribute ID. Specify if attribute ID specifica-
tion is required in the specified CIP service. This can
be omitted if specification is not required.
Maximum Specify request data.
*2
*3
492
Offset Size
(bytes)
2 The number specified here is stored in the sequence
No. of the response command corresponding to the
request command.
2 The command size after Reserved parameter is stored. 0600
1 Reserved. 0 is stored.
1 The executed service code+most significant bit 1 are
stored.
1 00 is stored when the service ends normally, and val-
ues other than 00 when the service ends in error.
The status code stored when error occurs conforms to
the CIP General Status Code.
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.
Maximum The response data is stored when the service ends
496 normally.
If the service ends in error, the Additional status will be
stored for the word size stored in the Additional status
size.
9 Socket Service
Description
Description
Example of
VendorID
*1
readout
1000
0000
00
0E
0100
0100
0100
---
Example of
VendorID
*1
readout
1000
9
00
8E
00
00
2F00
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