Watlow Series SD6 Limit With Devicenet - Manual (Page 8)

Wa t l o w S e r i e s S D 6 L i m i t w i t h D e v i c e N e t ■ 8 ■
Table 15. Connection Object Instance Attributes
Attribute # Access Rule Name DeviceNet Data
Type Description of
Attribute Semantics of Values
1 Get State USINT State of the object
2 Get Instance Type USINT Indicates either
I/O or Messaging
3 Get Transport Class
Trigger BYTE Defines behaviour
of the Connection
4 Get Produced
Connection ID UINT Placed in CAN
Identifier Field
when the
Connection trans-
mits
5 Get Consumed
Connection ID UINT CAN Identifier
Field value that
denotes message to
be received
6 Get Initial Comm
Characteristics BYTE Defines the
Message Group(s)
across which pro-
ductions and con-
sumption associat-
ed with this
Connection when it
occurs
7 Get Produced
Connection Size UNIT Maximum number
of bytes transmit-
ted across this
Connection
8 Get Consumed
Connection Size UNIT Maximum number
of bytes received
across this
Connection
9 Get/Set Expected
Packet Rate UNIT Will round up to
the next 100 mSec.
Increment.
12 Get/Set
(set for
explicit
messaging
only) Watchdog
Timeout Action USINT Defines how to
handle
Inactivity/Watchdo
g timeouts For Explicit
Connection only:
1 = Auto Delete
3 = Deferred
Delete