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3-7
3.8:
Type
F8
Power
Factor
Q
Length: 1 Register (2 bytes)
Q
Range: 3.999 / 0.000
Q
Unit: 0.001 PF
Q
This register contains a 16 bit unsigned number. This number varies from 0000H – 0F9FH, or 0 to
3999 in decimal. This representation allows for expressing Power Factor from 0 to 1 in the four
quadrants, as follows:
Q
Application of sign and lead/lag labels (is 9CFH -0.500 Lead or +0.500 Lag) depends on the
Programmable Setting called Power Factor Labeling, located in Register 46019, described in Section
7.19.
Example:
Register 00171, Tenth second Phase A Power Factor, might contain the following data:
Example:
Register 00171, Tenth second Phase A Power Factor, might contain the following data:
Address
Value
Decimal
PF Q2, 0.912
3088
0C10H
00171
Address
Value
Decimal
PF
00171
0390H
912
Q1, 0.912
Quadrant
Value
PF
Value
PF
2
3
4
1
0BB8H
Hex Dec
PF
Hex Dec
Value
Hex Dec
07D0H
03E8H
0000H 0
1000
2000
3000
0.000
1.000
0.000
1.000
01F4H
05DCH
09C4H
0DACH
500
1500
2500
3500
0.500
0.500
0.500
0.500
03E7H
07CFH
0BB7H
0F9FH
999
1999
2999
3999
0.999
0.001
0.999
0.001