Object
Point
Var
30
36
4
30
37
4
30
38
4
30
39
4
30
40
4
30
41
4
Object 80 - Internal Indicator
Object
Point
Var
80
7
1
C.8: DNP Message Layouts
Legend
All numbers are in hexadecimal base. In addition the following symbols are used.
Electro Industries/GaugeTech
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
The Leader In Power Monitoring and Smart Grid Solutions
Description
Format
Watts, Phase A
SINT16
Watts, Phase B
SINT16
Watts, Phase C
SINT16
VARs, Phase A
SINT16
VARS, Phase B
SINT16
VARs, Phase C
SINT16
Description
Format
Device Restart Bit
N/A
dst
16 bit frame destination address
src
16 bit frame source address
crc
DNP Cyclic redundant checksum (polynomial
16
13
12
11
x
+x
+x
+x
x
transport layer data sequence number
y
application layer data sequence number
C: DNP Mapping
Range
Multiplier
-32768 to
(4500/32768)
+32767
-32768 to
(4500/32768)
+32767
-32768 to
(4500/32768)
+32767
-32768 to
(4500/32768)
+32767
-32768 to
(4500/32768)
+32767
-32768 to
(4500/32768)
+32767
Range
Multiplier
N/A
N/A
10
7
6
5
2
+x
+x
+x
+x
+x
+1)
#
Doc
E149701
Units
Comments
W
W
W
VAR
VAR
VAR
Units
Comments
none
Clear via
Function 2
(Write),
Qualifier
Code 0.
C-15