IEPE Sensor
Input ranges
±
10 mV,
±
20 mV,
±
50 mV,
±
0.1 V,
±
0.2 V,
±
0.5 V,
±
1 V,
±
2 V,
±
5 V,
±
10 V,
±
20 V
Over voltage protection
-
1 V of Full Scale
IEPE gain error
0.5% of Full Scale
IEPE gain error drift
±
25 ppm/°C (
±
14 ppm/°F)
IEPE compliance voltage
≥ 23 V
Excitation current
2, 4, 6, 8 mA, software selectable
Excitation current accuracy
±
5%
Coupling time constant
1.5 s
Lower bandwidth
-
3 dB @ 0.11 Hz
Maximum cable length
100 m (RG
-
58)
Isolation
-
+
ADC
Isolated channel
Chassis
-
+
ADC
Isolated channel
250V RMS
250V RMS
250V RMS
250V RMS
Figure A.69:
Isolation schematic
Channel to chassis (earth)
250 V RMS
Channel to channel
(Isolated GND to isolated GND)
250 V RMS
Input signal to input signal
250 V RMS
GEN3t
I3995-3.1 en HBM: public
509