Leuze electronic DB 112 B Technical Description
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Leuze electronic DB 112 B Technical Description

Leuze electronic DB 112 B Technical Description

Double sheet testing unit
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DB 112 B
Double Sheet Testing Unit
T E C H N I C A L D E S C R I P T I O N

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Summary of Contents for Leuze electronic DB 112 B

  • Page 1 DB 112 B Double Sheet Testing Unit T E C H N I C A L D E S C R I P T I O N...
  • Page 2 © 2014 Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen / Germany Phone: +49 7021 573-0 Fax: +49 7021 573-199 http://www.leuze.com info@leuze.de Leuze electronic DB 112 B...

  • Page 3: Table Of Contents

    Operation - inputs and outputs..................12 Diagnosis in the case of error ..................13 Application-specific extension types................14 10.1 VDB 112 B/6.2N - Fixed switching threshold ..............14 10.2 VDB 112B/6.12P - without teach button in the cover ............15 Leuze electronic DB 112 B...

  • Page 4: General Information

    Notice! This symbol indicates text passages containing important information. Declaration of conformity The DB 112 B double sheet testing unit sensor system has been developed and manufac- tured in adherence with the applicable European standards and directives. Notice! The corresponding declaration of conformity can be requested from the manufacturer.

  • Page 5: Safety Notices

    Safety notices Safety notices Safety standards The DB 112 B double sheet testing unit has been developed subject to the applicable safety standard EN 60947-5-2 (IEC 60947-5-2). Intended use The DB 112 B double sheet testing unit has been conceived as a monitoring device mainly for paper working machines.

  • Page 6: Device Overview

    A M8 connector for transmitter DB 112 UP.1… B M8 connector for receiver DB 112 UP.1… C Indicator diodes D Push button TEACH IN Figure 3.1: Device overview - dimensions DB 112 B Leuze electronic...
  • Page 7 Sensor pair M12 x 21mm, cable length 2.5m DB 112 UP.1-20,2500 501 09000 Amplifier (positive logic) VDB 112 B/6P 501 07002 Accessories Designation Model Part No. Cable 5m, PVC, 5-pin, with M12 connectors K-D M12A-5P-5m-PVC 501 04557 Leuze electronic DB 112 B...

  • Page 8: Specifications

    Only applies for automatic calibration during sheet movement (automatic teach) 1=transient protection, 2=polarity reversal protection, 3=short circuit protection These proximity switches shall be used with UL Listed Cable assemblies rated 30V, 0.5A min, in the field installation, or equivalent (categories: CYJV/CYJV7 or PVVA/PVVA7) DB 112 B Leuze electronic...

  • Page 9: Mounting The Transmitter And Receiver

    15° … 25° 25° … 35° Standard paper up to 150g/m² Cardboard Plastics Figure 5.1: Mounting the transmitter and receiver A Receiver B Machine direction C Sheet material D Transmitter Figure 5.2: Recommended configuration for maximum functionality Leuze electronic DB 112 B...

  • Page 10: Electrical Connection

    Connect the transmitter and receiver at the appropriate M8 connectors of the VDB 112 B/… analysis amplifier. Connect the analysis amplifier acc. to connection diagram (figure 6.1). Figure 6.1: Connection diagram VDB 112 B/… Circuit logic VDB 112B/…P -> positive logic VDB 112B/…N -> negative logic DB 112 B Leuze electronic...

  • Page 11: Commissioning

    Only then is it possible to exit align-  Alignment red: ment mode! Extraordinary exiting of alignment mode is possible only by means of Power OFF! Notice! After exiting alignment mode, it is absolutely necessary to perform a calibration. Leuze electronic DB 112 B...
  • Page 12 2s. Fixed switching threshold: This operating mode is recommended when the process does not permit manual or external teaching. In this operating mode, the variety of materials to be detected is limited. DB 112 B Leuze electronic...
  • Page 13 TEACH IN button > 3s threshold (LED yellow) To advance to next: press the TEACH-IN button < 3s Attention! After selecting the operating mode (teach mode), a calibration must be performed! Leuze electronic DB 112 B...

  • Page 14: Operation - Inputs And Outputs

    The double sheet output (pin 4) is activated as long as two or more sheets are located in the measurement field. Notice! For reliable operation, it is essential that calibration be performed on the material to be detected. See "Calibrating on the material to be detected" on page 10. DB 112 B Leuze electronic...

  • Page 15: Diagnosis In The Case Of Error

    (6Hz) (6Hz) using foam device switched on rapid rapid Current at output too Switch off voltage, yellow Short circuit high check wiring flashing flashing Have repaired by flashing Fatal memory error Defect Leuze electronic (3Hz) Leuze electronic DB 112 B...

  • Page 16: Application-Specific Extension Types

    Have repaired by flashing Fatal memory error Defect Leuze electronic (3Hz) In the case of VDB112B/6.2N, the operating voltage must be interrupted briefly in order to reset the error message. DB 112 B Leuze electronic...

  • Page 17: Vdb 112B/6.12P - Without Teach Button In The Cover

    To enter alignment mode, the 2-pin pin strip directly on the PCB can be bridged for longer than 5s. Afterwards, alignment can be carried out as described in chapter 7. Error states see chapter 9 "Diagnosis in the case of error". Leuze electronic DB 112 B...

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