Allen-Bradley PowerFlex 20-COMM-D, User Manual

Page: 97 / 149

DeviceNet Objects C-7
Instance Attributes
Important: Setting a register object attribute can only be accomplished
through a connection with a non-zero expected packet rate
(EPR). This feature is to prevent accidental control of a DPI
device.
Services
Register Object
(Continued)
Attribute
ID Access Rule Name Data Type Description
1 Get Bad Flag BOOL If set to 1, then attribute 4 may contain
invalid, bad or otherwise corrupt data.
0 = good
1 = bad
2 Get Direction BOOL Direction of data transfer
0 = Producer Register
1 = Consumer Register
3 Get Size UINT Size of register data in bits
4 Conditional
(1)
Data ARRAY of
BITS Data to be transferred
(1)
The access rule of Set is optional if attribute 2, Direction = 1. If Direction = 0, the access rule
is Get.
Service Code Implemented for: Service Name
Class Instance
0x0E Yes Yes Get_Attribute_Single
0x10 No Yes Set_Attribute_Single