InstanceID
(Instance ID)
Create variable A with a variable with
the standard structure (_sREQUEST_PATH).
CIP communications instruction
Variable A
CIPSend
RqPath
(Request Path)
RqPath data type
Value
ClassID
(Class ID)
Member
AttributeID
(Attribute ID)
2
3
1
TRUE
isAttributeID
(Attribute usage)
1 Create a standard structure variable.
T
o use a standard structure variable to input values into RqPath (Request Path) for a CIP com-
munications instruction, first you need to create a standard structure user-defined variable.
When you create a variable in a variable table, select the pre-registered standard structure
(_sREQUEST_PATH) for a CIP communications instruction.
Select a standard structure for the data type of variable A.
Variable table
Data type
_sREQUEST_PATH
A
Name
2 Input a value for each standard structure variable member.
Input the following values into the communications parameters that were registered as mem-
bers of the standard structure variable.
Member name of RqPath data type
Variable name
MOVE
EN
IN1
2
3
TRUE A . isAttributeID
A. ClasslD
A . InstancelD
OUT1
MOVE
EN
IN1 OUT1
MOVE
EN
I
N1 OUT1
1 A . AttributelD
MOVE
EN
IN1 OUT1
When an Extension Structure Variable Is Used
Example: Using an extension structure variable to input values into RqPath (Request Path) for the
CIPSend instruction
8 CIP Message Communications
8-18
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)