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Hubner EGSHJ 2 Operating And Assembly Instructions Manual

Electronic overspeed switch
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Operating and Assembly Instructions
Electronic overspeed switch EGSHJ 2
Straightforward monitoring of overspeed or zero speed detection
Read the Operating and Assembly Instructions prior to
assembly, starting installation and handling!
Keep for future reference!
Translation of the original operating and assembly instructions
EGSHJ2_MANUAL-en_R1(2018-11-23)ID74615.docx
ID 74615

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Summary of Contents for Hubner EGSHJ 2

  • Page 1 English Operating and Assembly Instructions Electronic overspeed switch EGSHJ 2 Straightforward monitoring of overspeed or zero speed detection Read the Operating and Assembly Instructions prior to assembly, starting installation and handling! Keep for future reference! Translation of the original operating and assembly instructions EGSHJ2_MANUAL-en_R1(2018-11-23)ID74615.docx...

  • Page 2: Electronic Overspeed Switch Egshj

    Electronic overspeed switch EGSHJ 2 Trademark Protected trademarks bearing a ™ or ® symbol are not always depicted as such in the manual. However, the statutory rights of the respective owners remain unaffected. Manufacturer / publisher Johannes Hubner Fabrik elektrischer Maschinen GmbH Siemensstraße 7...

  • Page 3: Table Of Contents

    Electronic overspeed switch EGSHJ 2 Directory 1 General ..........................5 1.1 Information about the Operating and Assembly Instructions ........5 1.2 Scope of delivery ....................... 5 1.3 Explanation of symbols ....................5 1.4 Disclaimer ........................6 1.5 Copyright ........................6 1.6 Guarantee terms ......................
  • Page 4 Electronic overspeed switch EGSHJ 2 6.8.2 Electrical connection .....................17 7 Dismantling ........................18 7.1 Safety instructions .....................18 7.2 Dismantling the encoder ...................18 8 Faults ..........................19 8.1 Faults table .......................19 9 Inspections ........................20 9.1 Safety instructions .....................20 9.2 Maintenance information ...................20 9.3 Inspection schedule ....................20 10 Disposal ..........................20...

  • Page 5: General

    In addition, applicable local regulations for the prevention of industrial accidents and general safety regulations must be complied with. 1.2 Scope of delivery Electronic overspeed switch EGSHJ 2, Operating and Assembly Instructions. Fixing part according to dimension drawing, if applicable. 1.3 Explanation of symbols Warnings are indicated by symbols in these Operating and Assembly Instructions.

  • Page 6: Disclaimer

    Electronic overspeed switch EGSHJ 2 1.4 Disclaimer All information and instructions in these Operating and Assembly Instructions have been provided under due consideration of applicable guidelines, as well as our many years of experience. The manufacturer assumes no liability for damages due to: ...

  • Page 7: Intended Use

    2.3 Intended use The device has been designed and constructed exclusively for the intended use described here. Series EGSHJ 2 electronic overspeed switches are used for speed monitoring, for instance of electrical and mechanical drives, hoisting gear, and conveying machines.

  • Page 8: Special Dangers

    Electronic overspeed switch EGSHJ 2 2.6 Special dangers Residual risks that have been determined based on a risk assessment are cited below. 2.6.1 Electrical current DANGER! Life-threatening danger due to electrical shock! There is an imminent life-threatening hazard if live parts are touched. Damage to insulation or to specific components can pose a life-threatening hazard.

  • Page 9: Technical Data

    Electronic overspeed switch EGSHJ 2 3 Technical Data 3.1 Type plate Type plate example: The type plate is located on the outside of the housing and contains the following information: Englisch Deutsch Manufacturer, address Hersteller, Anschrift Type: Overspeed switch Typ: Grenzdrehzahlschalter...

  • Page 10: Type Code

    Electronic overspeed switch EGSHJ 2 3.2 Type code EGS(HJ) Electronic overspeed switch H: (hollow shaft design) HJ: (hollow shaft design with isolated bearings) Series Connection AK = Axial terminal box Ø 12 H7 mm with clamping solution 12K: Hollow shaft 16K: Ø...

  • Page 11: Switching Speed Range

    Electronic overspeed switch EGSHJ 2 4 Switching speed range The electronic overspeed switch EGSHJ 2 has a galvanically insulated switching output. The switching function is realized with a semiconductor, the switching speed is set in our factory (switching hysteresis 10%). Possible value for switching speed is any whole number between 1 and 5400 rpm.

  • Page 12: Transport, Packaging And Storage

    Electronic overspeed switch EGSHJ 2 5 Transport, packaging and storage 5.1 Safety instructions for transport CAUTION! Material damage caused by improper transport! Observe the symbols and information on the packaging:  Do not throw - risk of breakage  Keep dry ...

  • Page 13: Installation And Commissioning

    Electronic overspeed switch EGSHJ 2 6 Installation and commissioning 6.1 Safety instructions Personnel Installation and commissioning must be carried out by skilled technical staff only. WARNING! Observe the safety instructions contained in Chapter 2 when dismantling the device! 6.2 Technical information...

  • Page 14: Mounting Preparations

    Electronic overspeed switch EGSHJ 2 6.4 Mounting preparations 1. Ensure all accessories are available (please refer to Chapter 12 Dimension drawings). NOTES! Fastening screws and earth cable are not included in the range of supply. 2. Preparing the place of attachment: Clean the (motor) shaft, centering, bolting surfaces and fastening threads;...

  • Page 15: Using The Adjustable Torque Bracket

    Electronic overspeed switch EGSHJ 2 Lightly grease the adapter shaft, open the device. Slide the circular spring device (2) onto the adapter shaft until it stops. Mount the hollow shaft device (3) to the adapter shaft. The hollow shaft encoder must slide smoothly on to the adapter shaft. In no delay with increased force, otherwise the bearing may be damaged.
  • Page 16 Electronic overspeed switch EGSHJ 2 Number 1 min. length in mm Number 1 max. length in mm Number 2 min. length in mm Number 2 max. length in mm Number 3 min. length in mm Number 3 max. length in mm...

  • Page 17: Shortenable Torque Bracket (Optional)

    Electronic overspeed switch EGSHJ 2 6.7 Shortenable torque bracket (optional) The torque arms in the table below can be shortened by the customer. See dimension drawing HM 13 M 106952a Chapter 12. Type ID Number Min. length (mm) Max. length (mm)

  • Page 18: Dismantling

    Electronic overspeed switch EGSHJ 2 6. Connect the supply voltage, and the signal cable (please refer to the connection diagrams, Chapter 13). 7. Close the terminal box cover. NOTES! Before closing the terminal box cover check and if necessary clean both seal surfaces and the gasket.

  • Page 19: Faults

    Moisture in the terminal box Cable gland/blanking plug not Tighten cable gland/blanking tightened plug Use suitable cable and cable Unsuitable cable for cable gland glands Contact Hubner-Service (page 2) if none of the remedies listed above provides a solution! EGSHJ2_MANUAL-en_R1(2018-11-23)ID74615.docx...

  • Page 20: Inspections

    Electronic overspeed switch EGSHJ 2 9 Inspections 9.1 Safety instructions WARNING! Skilled technical staff only are permitted to inspect the device and its installation. Observe the safety instructions contained in Chapter 2 when inspecting or working on the device! 9.2 Maintenance information The device is maintenance-free.

  • Page 21: Dimension Drawings

    Electronic overspeed switch EGSHJ 2 12 Dimension drawings EGSHJ2_MANUAL-en_R1(2018-11-23)ID74615.docx...
  • Page 22 Electronic overspeed switch EGSHJ 2 EGSHJ2_MANUAL-en_R1(2018-11-23)ID74615.docx...
  • Page 23 Electronic overspeed switch EGSHJ 2 EGSHJ2_MANUAL-en_R1(2018-11-23)ID74615.docx...
  • Page 24 Electronic overspeed switch EGSHJ 2 EGSHJ2_MANUAL-en_R1(2018-11-23)ID74615.docx...
  • Page 25 Electronic overspeed switch EGSHJ 2 EGSHJ2_MANUAL-en_R1(2018-11-23)ID74615.docx...

  • Page 26: Connection Diagrams

    Electronic overspeed switch EGSHJ 2 13 Connection diagrams 13.1 Terminal box NOTES! The connection diagrams are displayed in each terminal box cover! Connection diagram PN166-480a 13.2 Connection cable NOTES! The connection diagrams are attached to each cable! Connection diagram PN166-481a...

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