ProSoft Technology MVI56-104S User Manual
Page 115
Reference MVI56-104S
♦ ControlLogix Platform
User Manual
IEC 60870-5-104 Server Communication Module
ProSoft Technology, Inc.
Page 115 of 188
November 18, 2009
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 monitored measured normalized points use a data representation defined by
the protocol specification. The following table describes the value for each bit.
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
M_ME_NC and M_IT_NA
The monitored measured short floating point and monitored integrated total
points occupy two words with double-word addressing.
For example, if you configured the following points:
The following table describes how these points would be used.
Inf. Object Address
Module Database Address
500
Words 40 and 41
501
Words 64 and 65
502
Word 104 and 105