Rockwell Automation 1440-VLF02-01RA XM-121 Absolute Shaft Module - Manual (Page 139)

Publication GMSI10-UM014D-EN-P - May 2010
DeviceNet Objects 131
Instance Attributes
1 These attributes cannot be set for instances 2 or 3. The instance 2 and 3 settings match the channel 1 settings.
Table C.57 Vector Measurement Object Instance Attributes
Attr ID
Access
Rule
Name Data Type Description Semantics
3 Get Magnitude
Value REAL The measured magnitude
value.
4 Get Phase Value REAL The measured phase
value. Degrees
5 Get Status BOOL Indicates if a fault or
alarm has occurred. 0 = Operating without alarms of
faults.
1 = Alarm or fault condition
exists. The Value attributes
may not represent the actual
field value.
6 Get Magnitude Data
Units ENGUNIT The units context of the
Magnitude Value
attribute. This setting is determined by the
Channel Object’s Output Data
Units setting (see page 112).
7 Get Speed Value REAL The speed at which the
magnitude and phase are
measured. Set to 1
8 Get Speed Data
Units ENGUNIT The units context of the
Speed Value attribute. See DeviceNet Specification
Volume 1 Appendix K.
This is set to Orders (0x0B00).
9 Get/Set
Filter Type
1 USINT The type of tracking filter.
(The instance 1 setting
applies to both channels.) 0 = Constant bandwidth
1 = Constant Q
10 Get/Set
Bandwidth
1 REAL The bandwidth of the
tracking filter. (The
instance 1 setting applies
to both channels.)
11 Get/Set
Q
1 REAL The Q of the tracking
filter. (The instance 1
setting applies to both
channels.)