Instruction Manual

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