Omron NX102-12 Series - Page 281

InstanceID
(Instance ID)
Create variable A with a variable with
the extension structure (_sREQUEST_PATH_EX).
CIP communications instruction
Variable A
CIPSend
RqPath
(Request Path)
RqPath data type
Value
ClassID
(Class ID)
Member
AttributeID
(Attribute ID)
_8BIT
3
256
_16BIT
isAttributeID
(Attribute usage)
AttributeID
(Attribute ID logical format)
InstanceIDLogicalFormat
(Instance ID logical format)
ClassIDLogicalFormat
(Class ID logical format)
TRUE
_8BIT
1
1 Create an extension structure variable.
T
o use an extension structure variable to input values into RqPath (Request Path) for a CIP
communications instruction, first you need to create an extension structure user-defined varia-
ble.
When you create a variable in a variable table, select the pre-registered extension structure
(_sREQUEST_PATH_EX) for a CIP communications instruction.
Select an extension structure for the data type of variable A.
Variable table
Data type
_sREQUEST_PATH_EX
A
Name
2 Input a value for each extension structure variable member.
Input the following values into the communications parameters that were registered as mem-
bers of the extension structure variable.
8 CIP Message Communications
8-19
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-2 CIP Message Communications Client Function
8
8-2-5 Request Path (IOI)