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

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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

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