Rockwell Automation RECOMM-CNET ControlNet Communications Module - Manual (Page 121)

ControlNet Objects C-5
Instance Attributes
Important: Setting a register object attribute can only be
accomplished through a connection with a non-zero
control timeout attribute.
Services
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
1 The access rule of Set is optional if attribute 2, Direction = 1.
If Direction = 0, the access rule is Get.
Data ARRAY
of BITS Data to be transferred
Service
Code
Implemented for:
Service Name Class Instance
0x0E Yes Yes Get_Attribute_Single
0x10 No Yes Set_Attribute_Single