Specifications
Entek IRD 6652 DSP Protection Monitor
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Specifications
The following are the technical specifications for the 6652 DSP.
Inputs
Transducer type
1 or 2 non-contact eddy current displacement probes
Input impedance
100 k ohms
Transducer sensitivity
1.0 to 999.9 mV/engineering unit, configured from front panel
Voltage range
Maximum applied voltage ±24 V
Maximum usable input 20 Vpk-pk
Tachometer voltage
Maximum applied voltage ±24 V
Minimum sensitivity 2 Vpk-pk, 5 Vpk-pk preferred
Signal Conditioning
Frequency range
1 Hz to 20 kHz
Can be modified with user-configured high pass and low pass
filters
Amplitude range
Full scale setting user-configured from front panel
Noise floor
1% of full scale or 2 mVpk, whichever is greater
Low pass filter
40 Hz to 20 kHz in 1 Hz increments (-3dB point)
Filter roll off is -18dB/Octave
High pass filter
1 Hz to 40 kHz in 1 Hz increments (-3dB point)
Filter roll off is -6 dB/Octave
Signal detection
pk-pk
Accuracy
Within ± 2.5% of full scale
Outputs
Recorder
Per channel, 4 to 20 mA, electrically isolated, 20 mA equal to full
scale of the monitor display
Load resistance 600 ohms
Additional ±2.5% accuracy (typical)
Raw transducer signal
Per channel, front-panel BNC connectors, output signal actively
buffered and short-circuit protected
Output signal amplitude same as input signal (1:1 ratio)
Output impedance 270 ohms
Tachometer signal
Per monitor, front-panel BNC connector, short-circuit protected
Output signal follows input between ±12 V
Serial data
Per module, 4-wire RS-422/485 for output to host computer,
PLC, or DCS (distributed control system)
Baud rate
4800, 9600, 19200, 38400
