Emerson CSI 6500 Machinery Health Monitor Schnellstartanleitung Seite 14

Product Information / Produktinformation A6120
Bearing Vibration Monitor
Dynamic outputs
The AC portion of the sensor signal is output as scaled value.
Channel 1 − AC1 / channel 2 − AC2
Nominal range
Measuring range
Precision
Frequency range
Per. load resistance
Internal resistance
*Depends on the jumper setting J2.
Scaled d.c. output
Note: Scaled d.c. outputs are not relevant and not to be used for the A6120!
Channel 1 − NGL1 / channel 2 − NGL2 z12 / d12 open circuit and short circuit proof, non
Nominal range
Per. load resistance
Internal resistance
Signal conditioning for characteristic values
The input signals are conditioned by adjusting amplifier, range−dependent amplifier, high
pass, and low pass prior to digitalization.
Range setting
Minimum measuring range
Maximum measuring range
Frequency range
High pass filter
− Parameters can be set
− Tolerance
Low pass filter
Characteristic value formation
Vibration velocity
Vibration amplitude
z14 / z16* open circuit and short circuit proof, non
reactive
0 ... 20 V ss
Corresponds to the measuring range configured for
the characteristic value, min. 311 mV ss,
max. 9425 mV ss
±1 of f.s.d.
%
0.1 Hz ... 16 kHz (−3 dB) ±20
> 10 kΩ
Approximately 20 Ω
reactive
0 V DC
> 10 kΩ
Approximately 50 Ω
Is determined in the configuration
311 mV ss
9425 mV ss
nd
Butterworth filter 2 order
fu 2 Hz (−3 dB) for work frequency 5 Hz
fu 4 Hz (−3 dB) for work frequency 10 Hz
±20 %
th
Butterworth filter 5 order
Parameter range 50 Hz ... 2000 Hz in 0.01 Hz
increments
Depends on the configuration
Root mean square value v
frequency dependent integration of the vibration
velocity, signal evaluation in peak − peak
or zero − peak.
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