Omron sysmac NX102-9 Series Owner's Manual page 307

Read NX Object (Service Code: 33 hex)
Read the NX object of the specified NX Unit.
 Request Data Format
Parameter name
Service
Request Path Size
Request Path
Unit No
Index
Sub index
Control Field
 Response Data Format
When the processing is successful
Parameter name
Reply Service
Reserved
General Status
Size of Additional Status
Length
Read data
When the processing is failed
Parameter name
Reply Service
Reserved
General Status
Size of Additional Status
Additional Status
*1 When the General Status of the response code is 1F hex (Vendor specific error), becomes 01 hex.
*2 This is stored only when the Size of Additional Status is 01 hex.
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
8 CIP Message Communications
Data type
USINT Read NX object service: 33 hex
USINT Size of Request Path: 02 hex
Padded EPATH Request path: 2074 2401 hex
Class ID: 74 hex
Instance ID: 01 hex
UINT Unit number
0001 to 0020 hex: NX Unit
0000, 0021 hex or above: Not supported
UINT NX object index
USINT NX object sub index
USINT Complete access specification
00 hex: Not specified
Data type
USINT Read NX object service response: B3 hex
USINT Reserved: 00 hex
USINT Code indicating normal: 00 hex
USINT Size of Additional Status: 00 hex
UINT Read data size (Byte)
Depends on data Read data
type
Data type
USINT Read NX object service response: B3 hex
USINT Reserved: 00 hex
USINT Current error code defined by CIP
USINT
Size of Additional Status: 00 hex or 01 hex
UINT
Additional Status
Description
Description
Description
*1
*2
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