Western Reserve Controls 1782-JDO Manual do Utilizador descarregar pdf (Página 23)

Western Reserve Controls, Inc. 1782-JDO User’s Manual

PRELIMINARY

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

6 Get

Max. Class

Attribute ID UINT

Attribute ID number of the last class

attribute of the class definition

implemented in the device

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 2 ... 18 19 20 21 22 23 24 25 26 27

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