Services, Vector measurement object (class id 329h), Class attributes – Rockwell Automation 1440-SDM02-01RA XM-124 Standard Dynamic Measurement Module Manuel d'utilisation
Page 155: Instances, Vector measurement object (class id 329

Rockwell Automation Publication 1440-UM001C-EN-P - May 2014
155
CIP Objects
Appendix B
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.
Vector Measurement
Object (Class ID 329
H
)
The Vector Measurement Object models the measurement of the amplitude and
phase of the input signal at a specific multiple of the machine speed.
Class Attributes
The Vector Measurement Object provides no class attributes.
Instances
There are eight instances of this object.
8
Get/Set
Fault Low
REAL
The minimum expected DC Bias
voltage from the transducer in
volts.
Volts
9
Get/Set
Power Type
USINT
Indicates the type of power
supplied to the transducer.
0 = Off
1 = IEPE (externally supplied)
2 = +24V (externally applied)
3 = -24V (externally applied from terminal
base)
4 = Bias Current (externally supplied)
13
Get
DC Bias Time
Constant
REAL
The time constant value used for
exponential averaging of the DC
Bias value (a low pass filter/
output smoothing filter).
1.769 seconds
Table 80 - Transducer Object Instance Attributes
Attr ID
Access Rule
Name Data
Type
Description
Semantics
Table 81 - Transducer 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)
Table 82 - Vector Measurement Object Instances
Instance
Description
1
Channel 1 1X Vector Measurement
2
Channel 2 v1X Vector Measurement
3
Channel 1 2X Vector Measurement
4
Channel 2 2X Vector Measurement