Shocks and Vibrations sensor

Strictly confidential – All rights reserved to M.D. Micro Detectors S.p.A

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Shocks and Vibrations sensor


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Strenght points

ECONOMIC and COMPACT for diagnostic system: • Shocks, vibrations and inclinations sensor with operative range up to +/-16g. • 3 axes acceleration sensors with progammable alarms and full scale. • MEMS (microelectromechanical sensors) technology. • Operative range: 0…400Hz • Dimensions: M18 cylindrical short housing • All functions, alarms, thresholds completely programmable. • 1x RS485 + 1x Analogue (current or voltage programmable) outputs • GUI (downloadable from MD site) • User Interface (4 Leds + RS-485)

A technological sensors easy to use for complex applications


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Sensor Architecture

Core ARM M4 Analogue output DAC

(12bit)

Current / Voltagee: • 4...20 mA • 0...10 V • 0...5 V • etc…

MEMS Accelerometer (Micro Electro-Mechanical Systems)

Power: Switching

Supply voltage range: • 24V +/- 20%

Cable: 5 poles Pig tail: M12 5 poles

BUS: RS-485


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Specifications

M18 cylindrical sensor • 5 pole cable or M12 pig-tail • AISI316L Metal housing • Full scale (programmable):

• +/-2g 2000mg / 128 = 15,625 mg • +/- 4g 4000mg / 128 = 31,25 mg • +/- 8g 8000mg / 128 = 62,5 mg • +/- 16g 16000mg / 128 = 125 mg

• Analogue output (12bit) programmable Voltage/Current • User interface with 4 leds and teach-in on BUS • Completely resined sensor (IP 67) • BUS RS-485 addressable (max 128 nodes)

Operative frequency: from 0 to 400 Hz Programmable alarms: 128 livels, resolution depending on full scale BUS RS-485 output: 3 axes datas available @ max. bus frequency.

Green

Blue Yellow

Red


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Target & Strategy

Target

Strategy

Increase the productivity of a machine decreasing the stops due to breakdown and malfunction.

Improve the manteinance strategy, with minimum and planned stops of the manufacturing process.


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Vibration analysis

Essential paramiter for the analysis of a machine

Diagnostic

• Bearings wear • Impacts • Misalignments • Imbalances • Out of tolerance couplings • … …

Preemptive mantenaince

• Personnel safety • Machine safety • Building safety • Increase of productivity • Increase of efficiency • … …

• Overheating and Wears • Debris and Dust presence • Change in the position/dimensions of the tools • … …

• Degeration of the machine • Decrease of the productivity of the machine • Dangers for the operators • … …


Automation YES!

Our target customer is a company in AUTOMATIO market that require few and simple information regarding the conditions of the machine:

• Peak to peak vibrations • Average vibration values • Overthreashold • …

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Target markets

Process NO!

In the PROCESS markets sophisticated FFT analysis are required to convert a signal from time domain to frequency domain. The frequency domain analysis gives information on:

• frequencies and harmonics • amplitude • curtosi • …

of the detected signals NOT compare our products with products designed for PROCESS industry,


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Applications

Application: pick and place robot Need: the speed of these robots is very high. If the product is not in the right position, the arms can be subjected to high and frequent impacts. How: VBR sensor can monitor the mechanical shocks and stops the operations to avoid the breakdown of the arms.

Application: industrial robot Need: speed and movements of the robot can be set according to the weight of the priduct. If, during the movement, the product fall down, the arm can have incorrect movements/accerations How: VBR sensor can detect changes in the acceleration of the arms and so decrease the speed in case of alarms.


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Applications

Application: pump systems Need: detections of the behavior of the pump. How: VBR sensor can detect the vibrations generated by the pump. If they are unusual, it can be a signal of a malfunction: breakdown of bearings, shaft, blade, … In case of presence of materials as concrete, muds, …, and high vibration can stand for hardening of the material and extreme fatibue of the pump.

Application: industrial air conditioning Need: detections of the behavior of the fan. How: VBR sensor can detect the vibrations generated by the fan. If they are unusual, it can be a signal of a malfunction: breakdown of bearings, shaft, blade, …


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Applications

Application: winding/unwinding systems for paper, metals, plastic, … Need: a bearing breakdown can cause a not correvt winding/unwinding of the material and break the sheet. Also the machine can be damaged. How: VBR sensor can detect the normal operation of the machine. An increase of the vibrations can be detected by VBR sensor and stops the machine

Application: aerial work platforms Need: detection of the vibrations/inclination of the platform to make the operation safe How: VBR sensor detects the vibrations/inclination of the platform to avoid danders for the operators.


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Applications

Application: logistic Need: vibrations detection can monitor the “health contition” of large plants and let a preemtive mantenaince before the insurgence of big problem. How: VBR sensor can detect the vibrations of the critical moving parts.

Application: power take off, power transmission, … Need: unusual vibrations can indicate a breakdown of bearings, gears, shaft, How: VBR sensor can detect the vibrations of the critical mechanical moving cpmponents


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Applications

Application: agicultural vehicles, earthmoving vehicles, … Need: to avoid overturning of the vehicle, it is necessary to detect the inclination on 2 axes. How: VBR sensor can detect the inclination of the vehicle and supply an overturning alarm.

Application: paper, metal industry, … Need: cylindres of the calander are subjected to vibrations. If they are over a defined threshold it is necessary to slow down the speed with a decrease of the productivity and quality of the product. How: VBR sensor can monitor the vibrations of the machine and allow a correct preemtive mantenaince.


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Applications

Application: industrial bridge crane, … Need: to guarantee a correct operation it is necessary to monitor vibrations and shocks. How: VBR sensor can detect vibration/shock to prevent bearing disequilibrium, damages of shaft and motors, …

Application: rotary mills Need: monitoring of vibrations and shocks to detect breakdown of bearing, shaftf, gears, … How: VBR sensor can detect malfunctioning in the machine save money for repairing.


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Applications

Application: belt transportation systems Need: belt transportation systems are subjected to wear of the mechanical moving parts. A breakdown of a bearing/shaft can stops the sliding of the belts and creates ripping, sparks, flames, How: VBR sensor can detects shocks and vibrations with the aim od improving preemtive maintenance.

Application: ice cream machine, pasteurizer, … Need: the speed of the mixer has to me ajdusted according to the level of the product, its density, … How: VBR sensor can detect the vibration of the mixer and adapt the power to the correct working conditions.


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Applicazioni

Application : attuators, piston valves, … Need : when a shock absorber or a brake system is broken, the vibration goes high till broke the actuator and other components around it. How : every time the value of the shock exceed the maximum pre-set value, the sensor gives the possibility to stop the motion.

Application : high voltage switch Need : the electrical arc generated at every switch ON/OFF of the switch creates vibrations that can damage the framework. How : every time the value of the shock exceed the maximum pre-set value, VBR sensor gives the possibility to monitor these vibrations and send an alarm to the control station.


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Applicazioni

Application : industrial compressors Need : industrial compressorsfor air and gases are subjected to high stesses. These stresses can damage components. How : every time the value of the shock exceed the maximum pre-set value, VBR sensor gives the possibility to monitor these vibrations and send an alarm to the control station.

Application : forklift Need : during picking operations, the operator can upload the forklift in a not correct way so the vehicle could became instable. How : VBR sensor can monitor the inclination of the forklift and gives an alarm if it exceed a fixed value.


FinMasi Group

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Documents

Shocks and Vibrations sensor