Omron NJ Series User Manual page 344

8 CIP Message Communications
Instance ID
Specify 00 hex.
 Class Attribute ID
The class attribute ID specifies the attribute (value) of the entire object.
Attribute ID Parameter name
01 hex Revision
02 hex Max Instance
64 hex PLC Mode
65 hex PLC Error Status
66 hex PLC Model
 Instance Attribute ID
None
Request Paths (IOIs) to Specify Objects
When you specify an object, specify the request path (IOI) for each service code as given below.
Service code
0E hex Get_Attribute_Single
10 hex Set_Attribute_Single
8-82
Description
Revision of the object
The maximum instance num-
ber
This can be used to read and
modify the Controller operat-
ing mode.
Indicates when there is a
Controller error. Changes to
TRUE when a fatal or non-fa-
tal error occurs.
Indicates the model of the
Controller. The length is al-
ways 2 bytes for the size +
20 bytes for the name. Un-
used area is padded with
spaces.
Class ID Instance ID
C4 hex 00 hex
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
Read/write data
Attrib-
Data
ute
type
Read UINT Always 0002 hex.
Read UINT Always 0001 hex.
Read/ UINT Specify this when you want
Write to write to an attribute.
0000 hex: PROGRAM
mode
0004 hex: RUN mode
Read UINT 0000 hex: There is no Con-
troller error.
0001 hex: There is a Con-
troller error.
Read STRING
Specifies the attribute of the
class to read or write
: 01 hex, 02 hex, or 64 to 66 hex
Value
Attribute ID