
Reference IEC-101 Slave ♦ ProLinx Communication Gateway
Protocol Manual IEC 60870-5-101 v3 Slave (Firmware version 3.xx)
Page 98 of 159 ProSoft Technology, Inc.
August 6, 2010
Examples:
A value of 4000hex (only Bit 14 set, all others clear) is interpreted as 0.5 decimal
A value of 2000hex (only Bit 13 set, all others clear) is interpreted as 0.25
decimal
A value of 1000hex (only Bit 12 set, all others clear) is interpreted as 0.125
decimal
... and so on until...
A value of 0001hex (Only Bit 0 set, all others clear) is interpreted as
0.000030517578125
Therefore, the actual data values transmitted may be any combination of the
decimal values for any given bit pattern.
C_SE_NC
The measured short floating point command uses 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 101S v3 gateway Database Address
400 Words 5 and 6
401 Words 6 and 7
402 Words 9 and 10
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