Rockwell Automation 198x Modular DeviceNet Starter Auxiliary I/O - Manual (Page 146)

A-6 DeviceNet Information
Publication 198-UM001B-EN-P September 2001
DeviceNet Object — Class ID (03hex)
The following class attributes are supported for the DeviceNet Object:
The following instance attributes are supported:
➊
Allocation byte:
Bit 0
Explicit Messaging
Bit 1 Polled I/O
Bit 4 Change of State (COS) I/O
Bit 5 Cyclic I/O
Bit 6 Acknowledge Suppress I/O
Table A.5 DeviceNet Object Class Attributes
Attribute ID Access Rule Name Data Type Value
1 Get Revision UINT 1
Table A.6 DeviceNet Object Instance Attributes
Attribute
ID
Access
Rule
Name Data Type Value
1 Get/Set MAC ID USINT 0…63
2 Get/Set Baud Rate USINT 0 = 125 K baud
1 = 250 K baud
2 = 500 K baud
3 Get/Set BOI BOOL 0 = Hold in error state on detection of BOI
1 = Reset CAN chip on detection of BOI
4 Get/Set Bus-off Counter USINT Range 0…255
5 Get Allocation Information
Allocation Choice Byte
Master’s MAC ID
Structure:
BYTE
USINT
Allocation byte ➊
0…63 = Address
255 = Unallocated
6 Get MAC ID
Switch Changed
BOOL 0 = No change
1 = Change since last reset or power-up
8 Get MAC ID
Switch Value
USINT Actual value of node address switches
Range 0…99
Address 64…99
Software settable
100 Get/Set AutoBaud Disable BOOL 0 = Enable (default)
1 = Disable