User`s manual

Western Reserve Controls, Inc. 1782-JDO User’s Manual
PRELIMINARY
22
6 DeviceNet Profile, Objects and Services
6.1 1782-JDO DeviceNet Profile
This section describes the DeviceNet Objects present in the JDO. The JDO conforms to a
Type 12, Communications Adapter Device.
Table 6-1 DeviceNet Objects
Object
DeviceNet Object
Class
# of Instances
Identity 1 1
Message Router 2 1
DeviceNet 3 1
Connection 5 2 (Explicit Msg., Polled I/O)
Parameter 15 (F
hex
) 10
6.2 Identity Object, Class 1
Instances 0 and 1 exist in the 1782-JDO.
Table 6-2 Identity Object Class Attributes (Instance 0)
Attribute ID
Access
Rule
Name
DeviceNet
Data Type
Description of Attribute Value
1 Get Revision UINT Revision of this object 1
2 Get
Max. Object
Instance
UINT
Maximum instance number of an object
currently
1
6 Get
Max. Class
Attribute ID UINT
Attribute ID number of the last class
attribute of the class definition
implemented in the device
7
7 Get
Max. Instance
Attributes ID
UINT
Attribute ID number of the la
st instance
attribute of the class definition
implemented in the device
1