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IM02601006E www.eaton.com D-6
IQ 250S D: DNP Map
Object 80 - Internal Indicator
D.7: DNP Message Layouts
Legend
All numbers are in hexadecimal base. In addition the following symbols are used.
30
26
4
CT numerator
sint16
1 to 9999
N/A
none
CT ratio =
(numerator
* multiplier)
/ denomina-
tor
30
27
4
CT multiplier
sint16
1, 10, or 100
N/A
none
30
28
4
CT
denominator
sint16
1 or 5
N/A
none
30
29
4
PT numerator
SINT16
1 to 9999
N/A
none
PT ratio =
(numerator
* multiplier)
/ denomina-
tor
30
30
4
PT multiplier
SINT16
1, 10, or 100
N/A
none
30
31
4
PT
denominator
SINT16
1 to 9999
N/A
none
30
32
4
Neutral
Current
SINT16
0 to 32767
(10 / 32768)
A
For 1A
model, mul-
tiplier is (2 /
32768) and
values above
2A
secondary
read 32767
Object
Point
Var
Description
Format
Range
Multiplier
Units
Comments
80
7
1
Device Restart Bit
N/A
N/A
N/A
none
Clear via
Function 2
(Write),
Qualifier
Code 0.
dst
16 bit frame destination address
src
16 bit frame source address
crc
DNP Cyclic redundant checksum (polynomial
x
16
+x
13
+x
12
+x
11
+x
10
+x
7
+x
6
+x
5
+x
2
+1)
x
transport layer data sequence number
y
application layer data sequence number
Object
Point
Var
Description
Format
Range
Multiplier
Units
Comments
Содержание IQ 150S
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Страница 14: ...IM02601006E www eaton com 1 4 IQ 150S 250S 1 Introduction This page intentionally left blank...
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Страница 30: ...IM02601006E www eaton com 3 4 IQ 150S 250S 3 Mechanical Installation Figure 3 4 Side Dimensions v CM...
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