ETAS ES930.1 User Manual page 95

ETAS
13.9.5 Analog Input Channels ("AI" Connection)
Number of channels
Measuring ranges
Resolution
Sampling rate
Anti-aliasing filter (hardware filter)
Digital low-pass filter
Input impedance
Maximum measurement error
(at room temperature)
Max. voltage drift (temperature),
temperature range -40 °C to +70 °C
Maximum input voltage
Electrical isolation
ES930.1 - User Guide
8
-1 V to +1 V
-10 V to +10 V
-60 V to +60 V
16 bit, one A/D converter per channel
0.5 samples/s to 10 ksamples/s, addi-
tionally events; configurable per chan-
nel
Low-pass 2nd order (Bessel),
3-dB limit frequency 10 kHz
Digital FIR low-pass 8th order (Butter-
worth) with adjustable limit frequency,
can be disabled
Automatic setting:
0.4 * sampling frequency
Manual setting:
see table
Measuring ranges ±10 V, ±60 V:
2 M || 350 pF
Measuring range ±1 V:
10 M || 250 pF
Measuring range ±1 V:
±(0.5 mV + |U | * 0.1%)
IN
Measuring range ±10 V:
±(5 mV + |U | * 0.1%)
IN
Measuring range ±60 V:
±(30 mV + |U | * 0.1%)
IN
Measuring range ±1 V:
±(10 V + |U | * 50 ppm)/K
IN
Measuring range ±10 V:
±(100 V + |U | * 50 ppm)/K
IN
Measuring range ±60 V:
±(600 V + |U | * 50 ppm)/K
IN
Input:
±60 V DC, all measuring ranges
Input-to-input:
60 V DC / 30 V AC
Input-to-ground of voltage supply:
60 V DC / 30 V AC
Input-to-housing:
60 V DC / 30 V AC
Input-to-input, input-to-supply voltage,
input-to-housing
Technical Data
95