Siemens Add 7 AddFEM Manual page 60

AddFEM
Input impedance in signal range
At current measurement
At voltage measurement
Measuring error
Greatest error at 25°C
Temperature coefficient
Greatest error across the complete tem-
perature range
Digital resolution of the digital–analog con-
verter
Value of the least significant bit (LSB)
At current measurement
At voltage measurement
Highest permitted continuous overload
(without damage)
Output of the digital value under overload
conditions
Input type
Common–mode voltage range
Common–mode voltage suppression
Direct voltage
50 Hz
60 Hz
Total system input transfer time interval
(TAID + TAIT)
Sampling time including transient recovery
time
Sampling repeat time
First order input filter
Transition frequency
Mean–value generation across
4 measurements each
Transition frequency including
input filter
Greatest short–time deviation during each
specified electrical disturbance test
Conversion method
Operating mode
Calibration
Configuration of the terminals
AddFEM
C79000–G8076–C900–03
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Analog Inputs
41.8 Ω
100 kΩ
$0.12% at 0 V common–mode voltage
$25 ppm/K
$0.2% related to an upper limit of effec-
tive range at 2 V maximum common–
mode voltage
13 bits + preceding sign
4 µA
2 mV
60 V
118%
Differential
$6 V
–0.05%/V
55 dB
55 dB
52 µs
20 µs
104.167 µs
880 Hz
700 Hz
Refer to EMC data (Section 4.2)
Successive approximation / parallel con-
version of 4 channels each
Self–sampling
Not required
Refer to Appendix A, connector X5, Page
A-1!
Technical Data
4-9