Toshiba DeviceNet Option DEV002Z-1 User Manual

Page 29

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3.5.2.1. Explicit Messaging Connection Object Instance Attributes (Instance 1)

Attribute

ID

Name

Data

Type

Access

Rules

Description

Default

Value

1

state

USINT

Get

State of the object
00 = Non-existent
01 = Configuring
02 = Waiting for connection ID
03 = Established
04 = Timed Out
05 = Deferred Delete

-

2

instance_type

USINT

Get

Indicates connection type

0

Explicit

Message

3

transportClass_trigger

USINT

Get

Connection behavior

0x83

Server

Transport

Class 3

4

produced_connection_id

UINT

Get

Placed in CAN ID field when
transmitting

0x700

*

5

consumed_connection_id

UINT

Get

CAN ID field value denoting received
messages

0x602

*

6

initial_comm_characteristics

USINT

Get

Defines producing / consuming
message groups

0x21

Send: Gr. 3
Resp: Gr. 3

7

produced_connection_size

UINT

Get

Max number of bytes transmitted across
this connection

55

8

consumed_connection_size

UINT

Get

Max number of bytes received across
this connection

55

9

expected_packet_rate

UINT

Get/Set

Defines timing associated with this
connection

2500

(ms)

12

watchdog_timeout_action

USINT

Get/Set

Inactivity/watchdog timeout action

1

(Auto Delete)

13

produced_connection_path
_length

UINT

Get

Number of bytes in
produced_connection_path
attribute

0

14

produced_connection_path

USINT

(ARRAY)

Get

Specifies Application Object(s)
whose data is to be produced by
this connection

Empty

15

consumed_connection_path
_length

UINT

Get

Number of bytes in
consumed_connection_path
attribute

0

16

consumed_connection_path

USINT

(ARRAY)

Get

Specifies Application Object(s) whose
data is to be consumed
by this connection

Empty

* connection id dependant on device Mac ID

3.5.3. Connection Class Common Services

Supported

Service

Code

Service Name

Class

Instance

Description of Service

0x05

Reset

N/A

Yes

Used to reset all resetable connection objects.

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.

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