Owner's manual

Publication GMSI10-UM010C-EN-P - May 2010
100 DeviceNet Objects
Instances
There are 2 instances of this object.
Instance Attributes
Services
The Device Mode Object controls the settable attributes of this object.
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.37 Spectrum Waveform Measurement Object Instance Attributes
Attr ID
Access
Rule Name Data Type Description Semantics
3 Get Status BOOL Indicates if a fault or
alarm has occurred.
0 = Operating without alarms or
faults.
1 = Alarm or fault condition
exists. The waveform data may
not represent the actual field
value.
4 Get Data Units ENGUNIT The units context of the
Data attributes.
See DeviceNet Specification
Volume 1 Appendix K.
9 Get/Set Period REAL The period of the
waveform.
Seconds if Domain = 0.
Cycles if Domain = 1.
10 Get Number of
Waveform
Points
UDINT Number of points in the
waveform data.
256, 512, 1024, or 2048
Table C.38 Spectrum Waveform Measurement Object Services
Service
Code Class/Instance Usage Name Description
0E
h
Instance Get_Attribute_Single Returns a single attribute.
10
h
Instance Set_Attribute_Single
Sets a single attribute.
1
4C
h
Instance Get_Waveform_Chunk Upload a portion of the
current Waveform data.