Rockwell Automation 855T DeviceNet Stack Light User Manual User Manual
Page 61

DeviceNet Information B-12
Publication 855T-UM001C-EN-P May 2005
Instance 6 and 7 are the Group 3 Explicit Message Connections. The following instance 6
and 7 attributes will be supported:
The following common services will be implemented for the Connection Object.
Table B.17
Attribute
ID
Access
Rule
Name
Data Type
Value
1
Get
State
USINT
0 = nonexistent
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
11???xxxxxx
xxxxxx = node address
5
Get
Consumed Connection ID
UINT
11???xxxxxx
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 (0C
hex
)
Get
Watchdog Action
USINT
01 = auto delete
03 = deferred delete
13 (0D
hex
)
Get
Produced Connection Path
Length
UINT
0
14 (0E
hex
)
Get
Produced Connection Path
—
Empty
15 (0F
hex
)
Get
Consumed Connection Path
Length
UINT
0
16 (10
hex
)
Get
Consumed Connection Path
—
Empty
Table B.18
Service Code
Implemented for:
Service Name
Class
Instance
0x05
No
Yes
Reset
0x09
Yes
Yes
Delete
0x0E
No
Yes
Get_Attribute_Single
0x10
No
Yes
Set_Attribute_Single