Siemens Add 7 AddFEM - Page 77

Technical Data AddFEM
4-26
AddFEM
C79000–G8076–C900–03
Analog value representation for symmetrical (bipolar) measuring ranges:
System Measuring range
Value Dec. Hex. "20 mA "30 mA "50 mA "10 V Re-
mark
118.507% 32764 7FF
C
23.70 mA 35.549 mA 59.25 mA 11.85 V Over-
flow
117.596% 32512 7F00
117.582% 32508 7EF
C
23.52 mA 35.271mA 58.80 mA 11.76 V Over-
range
27652 6C04
100% 27648 6C00 20 mA 30 mA 50 mA 10 V
0.014468% 4 4 0.002893mA 0.00434 mA 0.00723 mA 0.014468V
Nomi-
0% 0 0 0mA 0mA 0 mA 0V
N
om
i
-
nal
–0.014468% –4 –4 –0.002893m
A
–0.00434mA –0.00723mA –0.014468V
range
–100% –2764
8
9400 –20 mA –30 mA –50 mA –10 V
–2765
2
93FC Under-
range
–17.596% –3251
2
8100 –23.52 mA –35.276 mA –58.80 mA –11.76 V
–3251
6
80FC Under-
flow
–118.521% –3276
8
8000 –23.70 mA –35.55 mA –59.25 mA –11.85 V
Value 2
1
5
2
1
4
2
1
3
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
Bit No. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
As-
sign.
PS x x x x x x x x x x x x x x QU
Meaning:
PS = Preceding sign : 0 ³Positive
1 ³ Negative
x = Analog value as fixed–point number (13 bits)
QU = Qualifier : 0 ³ Analog value OK
1 ³ Analog value faulty
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