BECKHOFF ILxxxx-B520 - Manual (Page 21)

IO Data Mapping
ILxxxx-B520 18
2.3 Assembly Objects
The Assembly Object binds attributes of multiple objects, which allows data to or from each object to be sent
or received over a single connection (IO or Explicit). Assembly objects are used to bind input data and output
data.
Class Code:
4 (04hex)
Class Attributes
Attribute
ID
Access
Rule
Name Data
Type
Description Semantics of
Value
1 Get Revision UINT Revision of implementation 2
Instance Attributes
Attribute
ID
Access
Rule
Name Data
Type
Description Semantics of
Value
3
(03hex)
Get/set Value Array of
Byte
Input or Output Data of the
ILxxxx-B520.
Common Services
Service Code Service Name Description
14
(0Ehex)
Get_Attribute_Single Returns the contents of the specified
attribute
16
(10hex)
Set_Attribute_Single Modifies an attribute Value
IO Assembly Instances
Number Type Name
101 Output Analog and Digital Outputs
102 Output Digital Outputs
103 Output Analog Outputs
111 Input Analog and Digital Inputs and Status Byte
112 Input Digital Inputs and Status Byte
113 Input Analog Inputs and Status Byte