Communication protocol 139
The table below shows the connection object states:
Class attributes
Instance attributes
State Description State Description
00 Nonexistent 03 Established
01 Configuring 04 Timed Out
02 Waiting for Connection ID 05 Deferred Delete
# Attribute
name
Services Description Data
type
1 Revision Get Revision of the connection object UINT8
Instance number Description
1 Explicit messaging connection
2 Polled I/O connection
4 Change-of-state/Cyclic I/O connection
# Attribute
name
Services Description Data
type
1 State Get State of the object (See the
state table on page 138.)
UINT8
2 Instance
Type
Get Indicates either I/O (1) or
messaging connection (0).
UINT8
3 Transport
Class Trig-
ger
Get Defines the behavior of the
connection.
UINT8
4 Produced
Cnxn Id
Get Placed in the CAN Identifier
Field when the connection
transmits
UINT16
5 Consumed
Cnxn Id
Get CAN Identifier Field value that
denotes the message to be
received
UINT16
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