Optical Control Systems

PSSD

Pellet Size & ShapeDistribution

The Solution for the Polymer Industry

The Original by OCS

02

Granules Inspection PSSD

The PSSD is a modular inspection system for the rapidanalysis of the size and shape of granules. The pelletswhich are to be inspected are moved by the vibratingchannel and are measured individually in the free fallbetween the camera and the light source. This universalmeasurement principle enables the system to analyseup to 50 kg granules per hour, depending on the granulesize and its bulk density.

The use of a high resolution CCD camera with automaticcontrollable lighting offers a continuous reproducibilityof the measured results. This instrument can analyse granules and particles from 80 m upwards, inde-pendent of their colour.

The optimal operation in a laboratory environment, aswell as in an online measurement station is a paramountfactor in the quality control. This instrument offers a hugevariety of customised configurations to fit perfectly thecustomers needs and objectives. For example, wheninstalled in a bypass of the production line, this system willallow for a fast response to production problems.

The measured data are stored in a control protocol onthe image processing computer to enable future ana-lysis, and this data can be transferred to the controlroom. During the measurement process, the imagesand the stored data are displayed in real time on themonitor. The results can be shown in a table or in agraphic and can be printed as well.

Not only can this instrument perform an exacting ana-lysis of the granules, it can also be used for recording,archiving and documentation purposes. Each variationof the pellet's shape, size, diameter, elongation,roundness, roughness and/or convexity will be recor-ded in the measurement protocol on a multidimensio-nal characteristics vector with an error map.

With this tailor-made and sophisticated softwarepackage, this instrument will perfectly fulfill all yourneeds!

Characteristics and Performances

Modular architecturePossibility of extension, easy adaptation and upgrade.

UtilisationWindows interface and easy customisation.

Optimal lighting techniquesUse of a special lighting technique to avoid colourrelated troubles during the pellet analysis.

Real-time image analysisFast evaluation, analysis and representation of themeasured results in different formats: table with sizegroups, time evolution, mosaic view, histogram,distribution.

Table viewResults displayed in table according to the shape,size, diameter, elongation, roundness, roughness,and/or convexity.

Mosaic viewContinuous display in real picture of the variations.

Graphic of the characteristicsGraphical display of the repartition by size, shape,etc.

Granules Inspection PSSD

LonPcSticky NotePSSD - Pellet Size and Shape Distribution

LonPcHighlight

LonPcHighlight

03

Technical Data

CameraCCD Line Scan Sensor 4096 Pixel (max. 80 MHz)

LightingHigh Frequency synchronised fluorescent lampPower consumption: 32 W, White light spectrum

ComputerIndustrial CPU Pentium, up-to-date technology

InterfaceEthernet 10/100 M Base-T, digital and analog E/A,USB, Modbus, Profibus, RS232 Connection BDE,SAP or SQL

Remote controlExtender max. 100 mService Remote control

SoftwareOperating System Windows XP

SizeDimension (l,w,h) 100 x 50 x 50 cmWeight approx. 60 kg

Performancemax. 50 kg/hour

Power Supply230V AC / 50 Hz115V AC / 60 Hz

Temperature10 - 40C

OCS - Optical Control Systems GmbH

Benefits Accurate and continuous automatic analysis Optimisation of the production process

by providing detailed measured information 24 hour online production surveillance Trend analysis parallel to the production Logging of the production process

Time evolutionGraphical display of the repartition of the characteristic according to the time evolution.

Process synchronisationInterconnections between the inspection systemand external instruments like BDE or SAP.

Interface for external applicationsAlarm interface, digital balance...

Open databaseThe data from the protocol can be easily converted into all the common database format (MS Access,Excel ...).

Scope of application

Opaque Granules Coloured Granules Non transparent Granules Transparent Granules

LonPcHighlight

LonPcHighlight

Optical Control Systems

Optical Control Systems GmbHWullener Feld 3658454 Witten, GermanyTel: +49 (0) 2302 9 56 22-0Fax: +49 (0) 2302 9 56 22-33e-mail: info@ocsgmbh.comhttp://www.ocsgmbh.com