|
Number |
8 |
|
Design |
4 galvanically isolated roots with 2 inputs each, single ended The second input of each root can be adjusted:IEPE 1Hz, IEPE 0.1Hz, 24V DC or 24V AC 1 GND and 1 GND with 50 Ω per root |
|
IEPE |
integrated constant current source +4 mA (up to 30 V DC) for direct connection and supply of IEPE sensors |
|
Resolution |
24 bit (delta-sigma) |
|
Delay |
37 / sampling rate |
|
Filters |
|
|
RC filter |
|
|
24V DC 24V AC |
R/C low-pass, 1st order, 25 kHz like AI-24V DC, in addition R/C high-pass, 1st order, 1 Hz |
|
IEPE |
R/C high-pass, 1st order, 1 Hz or 0.1 Hz, can be adjusted |
|
Analog filter |
|
|
24V DC / 24V AC / IEPE |
anti-aliasing filter (Butterworth), 4th orderSampling rate ≤ 8 kHz: cutoff frequency = 4 kHzSampling rate > 8 kHz: cutoff frequency = 20 kHz |
|
Digital filter |
|
|
24V DC / 24V AC / IEPE |
anti-aliasing filter (delta-sigma)oversampling = 16 * sampling ratecutoff frequency = 0.49 * sampling rate |
|
Input signal range |
|
|
24V DC / 24V AC IEPE |
-24.0 V to +24.0 V -5.0 V to +5.0 V (at ~160 Hz) |
|
Max. input voltage |
±60 V permanent |
|
Input gain IEPE |
none |
|
Input impedance 24V DC/AC |
|
|
device switched off |
1.0 MΩ |
|
device switched on |
1.1 MΩ |
|
Input capacity |
120 pF |
|
Sampling rate |
1 kHz1 to 40 kHz, freely adjustable |
|
Frequency range |
0.1 Hz to 20 kHz |
|
Error and status signals (per channel) |
|
|
24V DC / 24V AC IEPE |
data valid data valid, broken line, shorted |
|
Electrical isolation |
|
|
Root-root Root-housing/power supply |
1.5 kV AC 1.5 kV AC |
|
Connector type inputs |
2x 12-pin multi-pin connector, screw-type terminal (0.14 mm2 to 1.5 mm2), screw connection, included in delivery |
|
Sensor cable length |
up to 30 m at 100 pF/m cable capacitance and a bandwidth of used signals up to 20 kHz |