Omron CJ2-CPU User Manual

Appendices
A - 8
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
Format for Normal Response
Format for Error Response
CIP error code
 Write NX Object (Service Code: 34 Hex)
The request format, format for normal responses, format for error responses, and CIP error codes
for the Write NX object are given below.
Request Format
Parameter name Description Data type Value (hex)
Reply Service Reply to Read NX object service USINT B3
Reserved Reserved USINT 00
General Status Code that indicates normal USINT 00
Size of Additional Status Size of Additional status USINT 00
Length Read data size UINT Read data size in
bytes
Read data Read data Depends on the
type of data.
Read data
Parameter name Description
Data
type
Value (hex)
Reply Service Reply to Read NX object service USINT B3
Reserved Reserved USINT 00
General Status Current error code defined by CIP USINT Current error code
Size of Additional Status Size of Additional status USINT
00
*1
*1. If the general status code in the response code is 0x1F (Vendor specific error), the value is 0x01.
Additional status Additional status UINT
Additional status
*2
*2. This is stored only when the value of Size of Additional Status is 0x01.
General status code (hex)
Error code
*1
*1. Refer to General Status Code on page A-30 for error descriptions.
02 Resource unavailable
10 Device state conflict
11 Reply data too large
13 Not enough data
15 Too much data
1F Vendor specific error
20 Invalid parameter
Parameter name Description Data type Value (hex)
Service Service code USINT 34
Request Path Size Request path size USINT 02
Request Path Request path Padded EPATH 20742401
Unit No Unit number UINT 0000: Communications Coupler Unit
0001 to 003F: NX Unit
0040 or higher: Not supported.
Index Object dictionary index UINT Object dictionary index
Sub index Object dictionary subin-
dex
USINT Object dictionary subindex

Omron CJ2-CPU Specifications

General

Brand	Omron
Model	CJ2-CPU
Category	Controller
Language	English