DeviceNet Module Installation and Operation Manual
37
Table 51. Connection Class Common Services.
Table 52. Poll Connection Object Instance Attributes (Instance 2).
7
Transmitted_connection
_size
UINT
Get
Max number of bytes transmitted
across this connection
55
8
Received_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
time-out
action
1(Auto
Delete)
13
Transmitted_connection
_path_length
UINT
Get
Number of bytes in
transmitted_connection_path attribute
0
14
Transmitted_connection
_path
USINT
(ARRA
Y)
Get
Specifies Application Object(s) whose
data is to be transmitted by this con-
nection
Empty
15
Received_connection_path
_length
UINT
Get
Number of bytes in
received_connection_path attribute
0
16
Received_connection_path
USINT
(ARRA
Y)
Get
Specifies Application Object(s) whose
data is to be received by this connec-
tion
Empty
Service
Code
Service Name
Supported
Class
Supported
Instance
Description of Service
0x05
Reset
N/A
Yes
Used to reset all resettable 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
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
1 (I/O)
3
Transportclass_trigger
USINT
Get
Connection behavior
0x83 (Server
Transport
Class 3)
Attribute
ID
Name
Data
Type
Access
Rules
Description
Default
Value
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