Allen-Bradley PowerFlex 20-COMM-D, Руководство пользователя

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C-4 DeviceNet Objects
Class Code
Instances
Instance Attributes
Refer to the DeviceNet Specification for more information.
Connection Object
Hexadecimal Decimal
0x05 5
Instance Description
1 Master-Slave Explicit Message Connection
2 Polled I/O Connection
4 Change of State/Cyclic Connection
6 – 10 Explicit Message Connection
Attribute
ID Access
Rule Name Data
Type Description
1 Get State USINT 0 = Nonexistent
1 = Configuring
2 = Waiting for connection ID
3 = Established
4 = Timed out
2 Get Instance Type USINT 0 = Explicit Message
1 = I/O Message
3 Get Transport
Class Trigger USINT The Transport Class Trigger for this instance
4 Get Produced
Cnxn ID USINT CAN Identifier to transmit on
5 Get Consumed
Cnxn ID USINT CAN Identifier to receive on
6 Get Initial Comm
Char USINT Defines the DeviceNet message groups that
the tx/rx Cnxn’s apply
7 Get Produced
Cnxn Size UINT Max bytes to transmit across this connection
8 Get Consumed
Cnxn Size UINT Max bytes to receive across this connection
9 Get/Set EPR UINT Expected Packet Rate
(timer resolution = 2 msec.)