ABB FDNA-01, User Manual

Page: 139 / 168

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