Rockwell Automation Allen-Bradley 842D, Руководство пользователя

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B-2 DeviceNet Objects
Class Code 02
hex
—
Message Router
The Message Router Object provides a messaging connection point
through which a client may address to any object class or instance
residing in the physical devices.
Class and Instance Attributes
Not supported.
Services
Not supported.
Class Code 03
hex
—
DeviceNet
The DeviceNet Object is used to provide the configuration and status
of a physical attachment to DeviceNet. A product must suppot one
(and only one) DeviceNet Object per physical network attachment.
Class Attributes
Instance Attributes
Services
Attr.
ID
Attribute Access Data Type Description
1 Revision Get UINT Revision = 002
Attr.
ID
Attribute Access Data Type Description
1 Node address Get USINT Range 0-63
2 Baud Rate Get USINT Range 0-2
3 BOI Get BOOL Value=1
4 Bus-OFF-Ctr. Get/Set USINT
5
Allocation
Information
Get
Struct. of:
BYTE
USINT
Allocation choice byte
master’s Node Address
Service
Code
Service Name Description
0E
hex
Get_Attribute_Single Returns the attribute value
10
hex
Set_Attribute_Single Changes the attribute value
4B
hex
Allocte_Master/
Slave_Connection_Set
Predefined master/slave
connection set is requested