Assembly structure common services, Assembly structure – Rockwell Automation 1403-NDNET DeviceNet Communications Card Installation Instructions User Manual
Page 76
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