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Siemens SIMATIC ET 200SP - Page 52

Siemens SIMATIC ET 200SP
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Reading and processing measured values
6.3 Reading measured values from user data cyclically
Analog input module AI Energy Meter 480VAC/CT HF (6ES7134-6PA00-0CU0)
Manual, 07/2018, A5E42674880-AA
51
Byte
Allocation
Data
type
Unit
Value range
Meas-
ured
value
ID
18 ... 21 Total reactive energy L1L2L3 DINT 1 varh -2147483647 to
+2147483647
226
22 Reserved BYTE - 0 -
23
Total power factor λ L1L2L3
USINT
0.01
0 … 100
66037
24
Scaling current L1
USINT
-
0 ... 255
-
25
Scaling current L2
USINT
-
0 ... 255
-
26
Scaling current L3
USINT
-
0 ... 255
-
27
Scaling total active power L1L2L3
USINT
-
0 ... 255
-
28
Scaling total reactive power L1L2L3
USINT
-
0 ... 255
-
29
Scaling total apparent power L1L2L3
USINT
-
0 ... 255
-
30
Scaling total active energy L1L2L3
USINT
-
0 ... 255
-
31
Scaling total reactive energy L1L2L3
USINT
-
0 ... 255
-
In the user data variant FE
H
(254) the measured value for the current L1 is stored in Byte 2 +
3. The current is supplied by the module as a 16-bit-fixed-point number in the value range
from 0 to 65535 in the unit 1 mA. In addition the scaling factor for the current L1 has to be
considered additionally. The module supplies the related scaling factor in Byte 24.
The actual value for current L1 is calculated as follows:
Actual value for current L1 = Current L1 x 10
Scaling current L1
See also
Basics for reading measured values (Page 41)

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