E.31
Date Code 20130214 Instruction Manual SEL-2414 Transformer Monitor
Modbus Communications
Modbus Register Map
Conversion Table
One way to present data in a suitable range and resolution is to scale the data
before transmission, normally by dividing or multiplying by powers of 10. Use
the information in Table E.16 to convert the units of the received data into the
appropriate scale for further processing or display.
2676–3999 A74-F9F 03h, 04h 5 8000 8000 8000 Reserved = 8000 Hex
4000–
65535
FA0–
FFFF
03h, 04h 5 8000 8000 8000 Reserved = 8000 Hex
a
UW = Upper Word.
b
LW = Lower Word.
c
If ETHERM = W, power and energy quantities are forced to 0 and Power Factor quantities are forced to 1.0.
d
Available if SELECT 3 ACI/3 AVI I/O card is installed in Slot E.
e
EU = Engineering Units.
f
If function code 6 is used to write to the command code region that has parameters, the parameters must be written first.
g
Once the command code is written, the parameters 1 and 2 are cleared and must be rewritten prior to the next command.
Table E.15 Modbus Register Map (Sheet 25 of 25)
Address in
Decimal
Address
in Hex
Function
Code
Supported
Conversion Min Max Default Name/Enums Units
Tab le E.1 6 Conve rs io n Tab le
Index
a
a
Refers to the conversion column in Ta b le E .1 5 .
Typ e Multiply Divide Offset Base
0Boolean 1 1 0 1
1 Unsigned Integer 1 1 0 1
2 Unsigned Integer 1 10 0 1
3 Unsigned Integer 1 100 0 1
4 HEX 1 1000 0 1
5Integer 1 1 0 1
6Integer 1 1 0 1
7Integer 1 10 0 1
8Integer 1 100 0 1
9 Integer 1 1000 0 1
10 Enumeration 1 1 0 1
11 Bit Enumeration 1 1 0 1
12 Two 8 bit ASCII characters 1 1 0 1
13 Long Integer 1 1 0 1
14 Long Integer 1 10 0 1
15 Long Integer 1 100 0 1
16 Long Integer 1 1000 0 1
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