Instances, Instance attributes, Services – Rockwell Automation 1440-TPS02-01RB XM-320 Position Module User Manual
Page 102: Instances instance attributes services
Publication GMSI10-UM005C-EN-P - May 2010
94 DeviceNet Objects
Instances
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.21 Analog Input Point Object Instances
Instance
Name
Description
1
Position
Position measurement for transducer 1.
2
Position
Position measurement for transducer 2.
Table C.22 Analog Input Point Object Class Attributes
Attr ID
Access
Rule
Name Data
Type
Description
Semantics
3
Get
Value
REAL
The position
measurement value.
The raw measured value plus
any offset specified by
Calibration Bias.
4
Get
Status
BOOL
Indicates if a fault or
alarm has occurred.
0 = Operating without alarms or
faults
1 = Alarm or fault condition
exists. The Value attribute may
not represent the actual field
value.
8
Get
Value Data Type USINT
Determines the data type
of the Value.
1 = REAL
122
Get/Set
Calibration Bias
REAL
Offset added into the raw
measured value.
Used to set the "zero point."
147
Get/Set
Data Units
ENGUNIT
The units context of the
Value attribute.
See DeviceNet Specification
Volume 1 Appendix.
Table C.23 Analog Input Point 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
Instance
Set_Attribute_Single
Sets the contents of the
specified attribute.
1