VM600 MPC4 200-510-063-025 VIBRO METER Machinery Protection Card

VM600 MPC4 200-510-063-025 VIBRO METER Machinery Protection Card

Product Details

The MPC4 machinery protection card is the central element in the VM600 series machinery protection system (MPS), from Meggitt Sensing Systems’ Vibro-Meter® product line. This very versatile card is capable of measuring and monitoring up to four dynamic signal inputs and up to two speed inputs simultaneously.

The dynamic signal inputs are fully programmable and can accept signals representing acceleration, velocity and displacement (proximity), among others. On-board multi-channel processing allows measurement of various physical parameters, including relative and absolute vibration, Smax, eccentricity, thrust position, absolute and differential housing expansion, displacement and dynamic pressure.

Digital processing includes digital filtering, integration or differentiation (if required), rectification (RMS, mean value, true peak or true peak-to-peak), order tracking (amplitude and phase) and measurement of the transducer-target gap.

FEATURES

From the Vibro-Meter® product line

Continuously online machinery protection card

Real-time measurement and monitoring using state-of-the-art DSP techniques

4 dynamic signal inputs and 2 tachometer (speed) inputs, all individually programmable

Programmable broad-band and narrow-band filters

Simultaneous amplitude and phase monitoring in order tracking mode

Programmable Alert, Danger and OK set points

Adaptive Alert and Danger levels

Front panel BNC connectors for easy analysis of raw signals

7 front panel LEDs show status and alarms

Integrated power supply for many Vibro-Meter front-ends, including ICP accelerometers and

proximity systems

Live insertion and removal of cards

Available in ‘standard’, ‘separate circuits’ and ‘safety’ (SIL) versions

SPECIFICATIONS

Number of inputs : 4 per MPC4 card

DC range : 0 to +20 V or 0 to −20 V

AC range : ±10 V (maximum)

Common mode voltage range : −50 to +50 V

CMRR : >60 dB at 50 Hz

Crosstalk : −72 dB

Input impedance : 200 kΩ

Current input range

DC signals : 0 to 25 mA; AC signals : ±8 mA (maximum)

Analog AC frequency band

(without integration): 0.1 Hz to 10 kHz

Analog AC frequency band (with integration): 2.5 Hz to 10 kHz

Analog frequency band for throughput to other cards and buffered AC outputs: DC to 60 kHz (−3 dB)

Current measuring resistor : 324.5 Ω

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