ProSoft Technology MVI56-104S User Manual
Page 122
MVI56-104S ♦ ControlLogix Platform
Reference
IEC 60870-5-104 Server Communication Module
User Manual
Page 122 of 188
ProSoft Technology, Inc.
November 18, 2009
C_SE_NA and C_SE_NB
The measured normalized point command uses one word with word-addressing.
For example, if you configured the following points:
The following table describes how these points would be used.
Inf. Object Address
MVI56-104S Module Database Address
400 Word
10
401 Word
12
402 Word
18
The measured normalized points use a data representation defined by the
protocol specification, where each bit represents a value as follows:
Bit 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Value S 2
-1
2
-2
2
-3
2
-4
2
-5
2
-6
2
-7
2
-8
2
-9
2
-10
2
-11
2
-12
2
-13
2
-14
2
-15
Example: a value of 4000hex is interpreted as 0.5