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3.3. DeviceNet Object

Class Code 0x03. The DeviceNet Object provides for the configuration and status of a DeviceNet port.

3.3.1.DeviceNet Object Class Attributes

Attribute

Name

Data

Access

Description

Default

ID

Type

Rules

Value

 

 

1

Revision

UINT

Get

Revision of this object.

2

 

 

 

 

Maximum instance number of an object

 

2

Max instance

UINT

Get

currently created in this class level of

1

 

 

 

 

the device

 

3.3.2.DeviceNet Object Instance Attributes

Attribute

Name

Data

Access

Description

Default

ID

Type

Rules

Value

 

 

1

MAC ID

USINT

Get

Node address

1 *

 

 

 

 

Baud rate

 

2

Baud Rate

USINT

Get

0 = 125kbps

0*

1 = 250kbps

 

 

 

 

 

 

 

 

 

2 = 500kbs

 

3

Bus-off Interrupt

BOOL

Get/Set

Bus–Off Interrupt

0

4

Bus-off counter

USINT

Get/Set

Number of times CAN went to

0

the bus-off state

 

 

 

 

 

 

Allocation information

BYTE

Get

Master/Slave allocation state

-

5

(Allocation Choice Byte)

 

 

 

 

Allocation information

USINT

Get

MAC ID of Master

-

 

 

(Master’s MAC ID)

(from Allocate)

 

 

 

 

6

MAC ID Switch Changed

BOOL

Get

The Node Address Switch(es) have

0

changed since last power–up/reset.

 

 

 

 

 

7

Baud Rate Switch Changed

BOOL

Get

The Baud Rate Switch(es) have

0

changed since last power–up/reset.

 

 

 

 

 

8

MAC ID Switch Value

USINT

Get

Actual value of Node Address

1*

switch(es)

 

 

 

 

 

9

Baud Rate Switch Value

USINT

Get

Actual value of Baud Rate switch(es)

0*

*The MAC ID and Baud Rate are settable by DIP SW.

3.3.3.

DeviceNet Object Common Services

 

 

 

 

 

 

 

 

 

Service

Service Name

Supported

Description of Service

 

Code

 

Class

Instance

 

 

 

 

 

0x0E

 

Get_Attribute_Single

Yes

Yes

Returns the contents of the specified attribute.

 

0x10

 

Set_Attribute_Single

N/A

Yes

Modifies the value of the specified attribute.

 

3.3.4.

DeviceNet Object Specific Services

 

 

 

 

 

 

 

 

Service

Service Name

Supported

Description of Service

 

Code

 

Class

Instance

 

 

 

 

 

0x4B

 

Allocate_Master/Slave

N/A

Yes

Requests the use of the Predefined Master/Slave

 

 

_Connection_Set

Connection Set.

 

 

 

 

 

 

 

 

Release_Group_2

 

 

Indicates that the specified connections within the

 

0x4C

 

N/A

Yes

Predefined Master/Slave Connection Set are

 

 

_Identifier_Set

no longer desired.

 

 

 

 

 

 

 

 

 

 

 

These connections are to be released (deleted).

 

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Toshiba DEV002Z-1 manual DeviceNet Object Class Attributes, DeviceNet Object Instance Attributes

DEV002Z-1 specifications

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