Casella-cel CEL-160 Bedienungsanleitung PDF herunterladen (Seite 9)

8-pin DIN Preamplifier

Pin No. Function

1 150 V polarising voltage.

2 Signal from preamplifier. Input impedance 20 kW.

Maximum input ±8 V peak to peak.

Maximum DC offset 15 V.

3 -5V nominal, supply to preamplifier.

Maximum current 5mA.

4 0 V.

5 30 dB gain signal. Goes from -8 V to +8 V

when gain selected. Selected on bottom five

ranges.

6 +5 V nominal supply to preamplifier.

Maximum current 5 mA.

7 AC input. Impedance 240 kΩ .

Maximum input ±80 V peak to peak.

Maximum DC offset +15 V.

Attenuated 20 dB re. Pin 2.

8 Spare. (+18 V10 mA Accelerometer bias

option).

8-Pin Remote

Pin No. Function

1 Input 1, normally 0 V.

2 Input 2, normally +5 V.

Control inputs presently used in filter programs

to sense state of filter.

3 Step filter, 5 to10 µS pulse to +8 V with 10 kΩ

source impedance.

4 Reset filter, normally +8 V (via l0 kΩ ). Shorted

to 0 V for 5 - 10 µS for reset.

5 Input 3, normally 0 V. Only available on Level

1 recorders. No present usage but available

for special software.

6 0 V.

7 +8 V output for special cables/interfaces.

Maximum current 10 mA.

8 Spare.

3.3 Scale Annotations

3.3.1 Amplitude Axis (Y)

3.3.2 Time Axis (X)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 23 24

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Casella-cel CEL-160 Bedienungsanleitung Seite 9