Vibration monitor detects bearing failures
An
IFM Electronic product story
Edited by the Engineeringtalk editorial team
Oct 27, 2008
The Efector Octavis from IFM Electronic is a self-contained bearing monitoring unit for plant operators and maintenance managers in food manufacturing and wastewater treatment.
Now IFM offers these bearing vibration monitors in designs suitable for Atex zones.
The VE111A and VE112A versions are suited to either gas hazards in Zone 2 or dust hazards in Zone 22 with their 3G /3D rating.
While the VE111A monitors a frequency range of 3 to 6000Hz, the VE112A monitors 0.125 to 500Hz.
Zone 1 or Zone 21 approval has been granted under the IECEx scheme to the VE113A.
Rolling element bearings are probably the commonest element to be found on the shop floor.
As both a load-bearing and moving component, their condition determines the efficiency of the machines, yet until now it was very costly to monitor their condition continuously.
The Efector Octavis from IFM recognises and signals bearing condition.
Affordable sensors for condition monitoring mean monitoring is no longer restricted to the most critical bearings, and extensive training in vibration frequency analysis is not required.
Efector Octavis detects rolling element bearing failures and shaft imbalance conditions on critical plant equipment such as pumps, motors, mixers, compressors, fans and spindles.
It is permanently mounted on plant equipment to continuously monitor a machine's operating condition through vibration analysis.
Octavis has the processing capability to analyse a vibration signature and to predict failures in advance by sending an alarm output signal to a PLC or relay.
This can optimise machine availability and plant up time.
The Efector Octavis monitor incorporates an accelerometer, analogue-to-digital (A/D) converter, digital signal processor (DSP) and diagnostic electronics in a 40 x 40mm package.
These electronic components enable the monitor to gather, process and interpret vibration data.
Configuration software is used on setup to input application parameters such as bearing types, shaft speed and output conditions via an R485 cable.
These parameters allow Octavis to monitor only critical damage frequencies in the vibration spectrum and ignore all external noise.
One Efector Octavis monitor can detect up to five different rolling elements on a machine or 20 individual frequencies.
Pushbutton programming includes a teach button with an integrated alarm display.
The alarm display provides two switching outputs that indicate an early warning alarm and a critical alarm.
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Contact IFM Electronic
Tel +44 20 8213 0000
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