DeviceNet • 133
Configuration / Parametering with the Object Model
WAGO-I/O-SYSTEM 750
DeviceNet
(**)
Descrition of the MemberPath:
0x20 CC 0x24 II 0x30 AA
CC:
class
II:
instance
AA:
attribute
The following classes / instances / attributes are possible:
class:100 instance 1 attribute 5 (ProcessState)
class:100 instance 1 attribute 6 (DNS_i_Trmnldia)
class:101 (Discrete Input Point Object)
class:102 (Discrete Output Point Object)
class:103 (Analog Input Point Object)
class:104 (Analog Output Point Object)
class:160-173 (PLC variables)
Class Services
Service code
Service name
Service description
0x0Eh
Get_Attribute_Single
Used to read an Object attribute value
0x08h
Create
Instantiates an Assembly object within a
specified class. Response contains in-
stance number.
Instance Services
Service code
Service name
Service description
0x0Eh
Get_Attribute_Single
Used to read an Object attribute value
0x10h
Set_Attribute_Single
Modifies an attribute value
0x09h
Delete
Deletes an assembly object and releases
all associated resources
5.6.2.2.3 New Classes for the PFC Fieldbus Variables
7 new classes for each input and output.
All 7 input / output classes are overlapped, e.g.:
1st and 2nd USINT (class 160 / instance 1 and 2)
=
1st UINT (class166 / instance 1), or
1st and 2nd UINT (class166 / instance 1 and 2)
=
1st UDINT (class170 / instance 1) etc.
5.6.2.2.4 Class 160 (0xA0) Input PLC Fieldbus Variable USINT
Instance 0:
Attribute ID
Used in buscoupler
Acces
Rule
Name
DeviceNet
data type
Description of attribute
Semantics of
values
1
Required
Get
Revision UINT
Revision of this object
0x01
2
Optional
Get
Max.
instance
UINT
Max. instance number of
an object currently created
in this class level of the
device
255
Description for the object instance Ids
Instance ID
Description
1
Reference to the1. input PLC byte
2
Reference to the 2. input PLC byte
…
255
Reference to the 255. input PLC byte
