Connection object – Rockwell Automation 198 Series C Modular DeviceNet Starter Auxiliary User Manual User Manual

Page 159

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DeviceNet Information A-25

Publication 198-UM002A-EN-P December 2001

Connection Object

CLASS CODE 0x0005
No class attributes are supported for the Connection Object.
Five instances of the Connection Object are supported, instances 1, 2 and 4 from the group 2
predefined master/slave connection set, and instances 5 and 6 are available via explicit
UCMM connections.
Instance 1 is the Predefined Group 2 Connection Set Explicit Message Connection. The
following instance 1 attributes are supported:

Table A.45 Instance 1 Attributes

Attribute ID

Access Rule Name

Data Type

Value

1

Get

State

USINT

0=nonexistant
1=configuring
3=established
4=timed out

2

Get

Instance Type

USINT

0=Explicit Message

3

Get

Transport Class Trigger

USINT

0x83 - Server, Transport
Class 3

4

Get

Produced Connection ID

UINT

10xxxxxx011
xxxxxx=node address

5

Get

Consumed Connection ID

UINT

10xxxxxx100
xxxxxx=node address

6

Get

Initial Comm Characteristics USINT

0x22

7

Get

Produced Connection Size

UINT

0x61

8

Get

Consumed Connection Size UINT

0x61

9

Get/Set

Expected Packet Rate

UINT

in milliseconds

12

Get

Watchdog Action

USINT

01 = auto delete
03 = deferred delete

13

Get

Produced Connection Path
Length

UINT

0

14

Get

Produced Connection Path

Empty

15

Get

Consumed Connection Path
Length

UINT

0

16

Get

Consumed Connection Path

Empty

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