E20 Double Sheet Detection for steel sheets with contacting sensors - 4 Pages

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E20 Double Sheet Detection for steel sheets with contacting sensors

Catalog excerpts

Double Sheet Detection System E20 Electro magnetic principle microcontroller based THE ROLAND PLUS ► All common Fieldbus standards ► Highest air gap tolerance Single - sided contact double sheet control of ferrous materials No force after measurement Exchangeable sensors for double sheet control from 0.1 to 12 mm (.004 to 0.472 in.) sheet thickness Optional version 4P allows the connection of up to four sensors ● Digital display of sheet thickness and operations parameter ● Programmable for 255 different sheet thicknesses ● Monitoring of over gauge and under gauge limits ● Monitoring of operating voltage and measuring time ● Opto coupled 9 respectively 11-Bit PLC input interface ● Selectable interfaces: - opto coupled RS232 interface - Relay or opto coupled output for under gauge, nominal gauge, over gauge and enable - all common fieldbus

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Description: When sheets are fed automatically, two or more sheets may be fed inadvertently into a processing machine. This can damage tools, cause halt in production or result in expensive repairs. The double sheet detector E20 can reliably prevent this from occuring. In addition to the connection of one sensor an option is available to connect four sensors of the same type (E20-4P). The system can also be used for Hidden Parts Detection. The sensor switching is controlled either sequentially by the PLC or automatically in the new sequencer mode. This function eliminates the time-consuming...

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Sensors: It is recommended to use the sensors P30GS, P42AGS and P75VGS with the control unit E20. The connection of the older P36GS, P42GS and P75GS sensors is also possible. (only Fieldbus) Air gap behavior: The new Double Sheet Detector E20 has a much improved air gap tolerance especially in conjunction with the new sensor P42AGS. There are two types of air gaps in case of double sheet control. First there is the air gap between sensor and sheet surface (1st air gap) and the air gap between the first sheet and the second sheet (2nd air gap). The diagrams show the relationship. Example for...

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DOUBLE SHEET CONTROL SYSTEM E20 Order Data Control units: Part name Sensor cables: Standard cable length is 5 meters. Customized lengths up to 50 meters can be ordered; larger lengths upon request. Sensor cable Cable: CPS-5-GOIL for P42GS and P75VGS    Cable: CPM12S-G for P30GS and P42AGS Special accesories: Sensor bracket: Spring loaded sensor bracket with vacuum cup SHX42 for sensor P42(A)GS (also available spring loaded bracket SHS; without vacuum cup available as type SH...GS) Part name ROLAND ELECTRONIC GMBH Otto-Maurer-Strasse 17    75210 Keltem / Germany Revision 1.3, June 2016 -...

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