Instance attributes, Services, Instance attributes services – Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module User Manual
Page 104

Publication GMSI10-UM004B-EN-P - May 2010
96 DeviceNet Objects
Instance Attributes
Services
1
Attributes can only be set while the device is in Program Mode. See the description of the Device Mode Object
for more information.
Table C.24 Parameter Object Instance Attributes
Attr ID
Access
Rule
Name Data
Type
Description
Semantics
1
Set
Parameter
Value
Actual value of parameter See Table C.23 for a list of valid
values for each instance.
2
Get
Link Path Size
USINT
Size of Link Path
0 (These Parameter instances do
not link directly to another
object attribute.)
3
Get
Link Path
ARRAY of
DeviceNet
path
DeviceNet path to the
object for the Parameter
value.
Segment
Type/Port
BYTE
See DeviceNet
Specification Volume 1
Appendix I for format.
Segment
Address
See DeviceNet
Specification Volume 1
Appendix I for format.
4
Get
Descriptor
WORD
Description of Parameter
Bit 0 Settable Path support
Bit 1 Enum Strings support
Bit 2 Scaling support
Bit 3 Scaling Links support
Bit 4 Read only
Bit 5 Monitor
Bit 6 Ext. Prec. scaling
5
Get
Data Type
EPATH
Data Type Code
See DeviceNet Specification
Volume 1 Appendix J.
6
Get
Data Size
USINT
Number of Bytes in
Parameter value.
Table C.25 Parameter Object Services
Service
Code
Class/Instance Usage
Name
Description
0E
h
Class/Instance
Get_Attribute_Single
Returns the contents of the
specified attribute.
10
h
Class
Set_Attribute_Single
Sets the contents of the
specified attribute.
1