Appendices
A - 6
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
If you use a master from another company, set the following instance IDs according to the connection 
form of the tag data link communications (implicit message). These settings are not required if you 
import the EDS file into the support software of the other company.
 
The instance attribute IDs are given in the following tables.
 Attribute ID for Instance ID 64 Hex (Input Data Instance)
 
 Attribute ID for Instance ID 94 Hex (Output Data Instance)
 
The NX Configuration object is used to control NX Units.
The following service codes are supported.
 
Connection form Input data instance (hex)
Output data instance 
(hex)
Configuration instance 
(hex)
Input or Output 64 94 C7
InputOnly 64 C5 C7
ListenOnly 64 C6 C7
Attribute IDs
Attribute ID 
(hex)
Parameter 
name
Description Attribute Data type Value (hex)
03 Data Input data Read or 
Write
ARRAY 
OF BYTE
0 to 504 bytes of 
data
Attribute ID 
(hex)
Parameter 
name
Description Attribute Data type Value (hex)
03 Data Output data Read or 
Write
ARRAY 
OF BYTE
0 to 504 bytes of 
data
A-1-3 NX Configuration Object (Class ID: 74 Hex)
Service Codes
Service code 
(hex)
Parameter name Description
Supported service range
Class Instance
0E
*1
Get_Attribute_Single Reads the value of a specified 
attribute.
No Yes
10
*1
Set_Attribute_Single Writes the value of an attribute. No Yes
32 Clear error Clears NX Unit errors. No Yes
33
*1
Read NX object Reads the value of an NX 
object.
No Yes
34
*1
Write NX object Writes the value of an NX 
object.
No Yes
35
*1
Restart NX unit Restarts an NX Unit. No Yes
36
*1
Save parameter Saves the settings of an NX 
Unit.
No Yes
37
*1
Switch parameter write 
mode
Changes an NX Unit to NX Unit 
Write Mode.
No Yes
38
*1
Read total power on 
time
Reads the total power-ON time 
of an NX Unit.
No Yes