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

Page 87

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Publication 1403-IN054B-EN-P - August 2001

DeviceNet Data Tables B-57

Instance 51 Attribute (Snapshot 16 parameter record; table 2 of 2)

Assembly Structure

7

L4 Current

Float

4

RMS current measured via the I4+/I4- terminals

13

Range = 0 to 9999x10

21

Amps

14

8

Voltage Unbalance

Float

4

Range = 0.0 to 100%

15
16

9

Current Unbalance

Float

4

Range = 0.0 to 100%

17
18

10

Record Timestamp; Year

Int

8

Year

19

Record Timestamp; Month, Day

Int

Month = Value/256
Day = Remainder of Value/256

20

Record Timestamp; Hour, Minute

Int

Hour = Value/256
Minute = Remainder of Value/256

21

Record Timestamp; Seconds, hSeconds

Int

Seconds = Value/256
Hseconds = Remainder of Value/256

22

11

Snashot record # being returned

Int

2

Range 1 to 265

23

12

Unused

Int

2

0

24

Param
#

Parameter name

Data
Type

# bytes

Description

Word
No.

Attribute
ID

Access
Rule

Name

DeviceNet
Data Type

3

Get

Data

Structure of
40 bytes; 20 words
Note: this table is only supported when master module
firmware is V3.00 or later

Param
#

Parameter name

Data
Type

# bytes

Description

Word
No.

1

Total Real Power

Float

4

Range = 0 to 9999x10

21

W

1
2

2

Total Reactive Power

Float

4

Range = 0 to 9999x10

21

VAR

3
4

3

Demand W

Float

4

Range = 0 to 9999x10

21

W

5
6

4

Demand VAR

Float

4

Range = 0 to 9999x10

21

VAR

7
8

5

Total True PF

Float

4

Range = -100 to 100%

9
10

6

Wh net

Float

4

Range = -9999 x10

21

to 9999x10

21

Wh

11
12

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