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Assembly structure common services, Assembly structure – Rockwell Automation 1403-NDNET DeviceNet Communications Card Installation Instructions User Manual

Page 76

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Publication 1403-IN054B-EN-P - August 2001

B-46 DeviceNet Data Tables

Instance 39 Attributes (Read of harmonic Analysis configuration)

Assembly Structure

Common Services

Instance 40 Attributes (THD, IEEE 519, Crest Factor, K-Factor)

Assembly Structure

Attribute ID Access

Rule

Name

DeviceNet Data Type

3

Get

Data

Structure of
12 bytes (6 Words)

Param #

Parameter name

Data type

#bytes

Master Module Range

Default
Setting

Word
No.

1

Reserved

Int

2

Reserved for future enable/disable of all
harmonic calculations.

1

2

Reserved

Int

2

Reserved

2

3

IEEE 519 max short
circuit current

Float

4

0.0 to 10,000,000.0

0

3
4

4

IEEE 519 max
demand/load
current

Float

4

0.0 to 10,000,000.0

0

5
6

Service
Code

Service Name

0Ehex

Get_Attributes_Single

Attribute ID Access

Rule

Name

DeviceNet Data Type

3

Get

Data

Structure of
26 bytes (13 Words)

Param #

Parameter name

Data type

#bytes

Master Module Range

Word No.

1

IEEE THD

Float

4

0 to 1000%

1
2

2

IEC thd

Float

4

0 to 1000%

3
4

3

TIF

Float

4

0 to 9999x10

21

5
6

4

Crest factor

Float

4

0 to 9999x10

21

7
8

5

K-factor

Float

4

0 to 9999x10

21

9
10