
ETAS
Technical Data
ES441.1 - User Guide
101
8.10.4
Input Channels
No. of input channels
4, each channel with a separate sen
-
sor voltage supply
Input voltage range
±50 V
Switching thresholds
Hysteresis; active and inactive level
configurable individually
Hysteresis treshold range
-50.0 V to +50 V
Hysteresis treshold resolution
0.1 V
Hysteresis treshold accuracy
±0.1 V
Hysteresis drift over temperature
±0.2 V
Interfering voltage filter
Debouncing, configurable in the cali
-
bration software
Pulse width
120 ns (min.)
Time resolution
20 ns (50 MHz)
Accuracy time resolution
±100 ppm
Counter length
32 bit
Measuring capabilities
Event counting;
measurement of frequency, duty
cycle, active duration, inactive dura
-
tion, period duration, state,
combination of two channels facili
-
tate evaluation of complex signals
Sampling rate
0.5 to 10000 samples/s, can be con
-
figured in the calibration software
Sampling rates
0.1 ms, 0.2 ms, 0.5 ms,
1 ms, 2 ms, 5 ms,10 ms, 20 ms,
50 ms, 0.1 s, 0.2 s, 0.5 s, 1 s, 2 s
Maximum input voltage
(dry environment)
Input-to-input:
60 V DC / 30 V AC
Input-to-ground of voltage supply or
housing:
60 V DC / 30 V AC
Maximum Input voltage
(wet environment)
Input-to-input:
35 V DC / 16 V AC
Input-to-ground of voltage supply or
housing:
35 V DC / 16 V AC
Input impedance
> 2 M
|| < 250 pF