Assembly structure – Rockwell Automation 1403-NDNET DeviceNet Communications Card Installation Instructions User Manual
Page 88

Publication 1403-IN054B-EN-P - August 2001
B-58 DeviceNet Data Tables
Instance 52 Attribute (Snapshot 8 parameter record)
Assembly Structure
7
VARh net
Float
4
Range = -9999 x10
21
to 9999x10
21
VARh
13
14
8
Record Timestamp; Year
Int
8
Year
15
Record Timestamp; Month, Day
Int
Month = Value/256
Day = Remainder of Value/256
16
Record Timestamp; Hour, Minute
Int
Hour = Value/256
Minute = Remainder of Value/256
17
Record Timestamp; Seconds, hSeconds
Int
Seconds = Value/256
HSeconds = Remainder of Value/256
18
9
Snashot record # being returned
Int
2
Range 1 to 265
19
10
Unused
Int
2
0
20
Param
#
Parameter name
Data
Type
# bytes
Description
Word
No.
Attribute
ID
Access
Rule
Name
DeviceNet
Data Type
3
Get
Data
Structure of
44 bytes; 22 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
Avg L-L Voltage (in Delta modes)
Float
4
Range = 0 to 9999x10
21
Volts
1
Avg L-N Voltage (in non-Delta modes)
2
2
Average current
Float
4
Range = 0 to 9999x10
21
Amps
3
4
3
Total True PF
Float
4
Range = -100 to 100%
5
6
4
Total Real Power
Float
4
Range = 0 to 9999x10
21
Watts
7
8
5
Frequency
Float
4
Range = 0 to 75 Hz
9
10
6
Voltage Unbalance
Float
4
Range = 0 to 100%
11
12
7
Current Unbalance
Float
4
Range = 0 to 100%
13
14
8
Total Reactive Power
Float
4
Range = 0 to 9999x10
21
VAR
15
16