E6581268

- 19 -

3.5. Connection Object
Class code 0x05. The Connection Class allocates and manages the internal resources associated
with both I/O and Explicit Messaging Connections.

3.5.1. Connection Object Attributes

Not supported.

3.5.2. Connection Object Instance Attributes

Connection Instance ID # Description
1 References the Explicit Messaging Connection
2 Reference the Polled I/O Connection

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
3 transportClass_trigger USINT Get Connection behavior 0x83
4 produced_connection_id UINT Get Placed in CAN ID field when
transmitting 0x40B*
5 consumed_connection_id UINT Get CAN ID field value denoting received
messages 0x40C*
6 initial_comm_characteristics USINT Get Defines producing / consuming
message groups 0x21
7 produced_connection_size UINT Get Max number of bytes transmitted across
this connection 49
8 consumed_connection_size UINT Get Max number of bytes received across
this connection 49
9 expected_packet_rate UINT Get/Set Defines timing associated with this
connection 2500
12 watchdog_timeout_action USINT Get/Set Inactivity/watchdog timeout action Auto Delete
(1)
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
17 production_inhibit_time UINT Get Defines minimum time between new
data production 0
* connection id dependant on device Mac ID