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Operating and Assembly Instructions
Electronic overspeed switch EGS 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
EGS2_MANUAL-en_R3(2018-11-14)ID74563.docx
ID 74563
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Summary of Contents for Hubner EGS 2
- Page 1 English Operating and Assembly Instructions Electronic overspeed switch EGS 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 EGS2_MANUAL-en_R3(2018-11-14)ID74563.docx...
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Page 2: Electronic Overspeed Switch Egs
Electronic overspeed switch EGS 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 EGS 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 EGS 2 8 Dismantling ........................18 8.1 Safety instructions .....................18 8.2 Dismantling the encoder ...................18 9 Faults ..........................19 9.1 Faults table .......................19 10 Inspections ........................20 10.1 Safety instructions .....................20 10.2 Maintenance information ...................20 10.3 Inspection schedule ....................20 11 Disposal ..........................20 11.1 Disposal procedure ....................20...
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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 EGS 2, Operating and Assembly Instructions. 1.3 Explanation of symbols Warnings are indicated by symbols in these Operating and Assembly Instructions. The warnings are introduced by signal words that express the scope of the hazard. -
Page 6: Disclaimer
Electronic overspeed switch EGS 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
The electronic overspeed switch EGS 2 is a overspeed switch, which generates a switching signal for a superior control system. This is realized with opening of a switch contact. As an alternative to this function, the device can also be used for zero speed detection. -
Page 8: Special Dangers
Electronic overspeed switch EGS 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 EGS 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 EGS 2 3.2 Type code Electronic overspeed switch Series Connection AK = Axial terminal box 3.3 Electrical and mechanical data Connection data 12 V … 30 V DC Supply voltage No load-current approx. 50 mA at 24 V... -
Page 11: Overspeed Monitoring
Electronic overspeed switch EGS 2 4 Overspeed monitoring The electronic overspeed switch EGS 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 values for switching speed is any whole number between 1 and 5400 rpm. -
Page 12: Transport, Packaging And Storage
Electronic overspeed switch EGS 2 6 Transport, packaging and storage 6.1 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
(please refer to Chapter 13 Dimension drawings)! Deep groove ball bearings EGS 2 overspeed switches are fitted with maintenance-free, greased "for-life" deep groove bearings. Bearings must be changed by the manufacturer only. Opening the encoder renders the guarantee null and void. -
Page 14: Mounting Preparations
Electronic overspeed switch EGS 2 7.4 Mounting preparations 1. Ensure all accessories are available (please refer to Chapter 13 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 Electronic overspeed switch EGS 2 Lightly grease the (motor) shaft (1) an Centerin (9). Fit coupling (2) onto (motor) shaft. NOTES! You must be able to mount the coupling without force. Ream out the bores of used couplings, if necessary! We recommend our zero-backlash, torsion-resistant HK 5 coupling to attach the overspeed switch.
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Page 16: Mounting Tolerances
Electronic overspeed switch EGS 2 7.6 Mounting tolerances NOTES! Angle misalignment and parallel displacement between the (motor) shaft and the encoder shaft are mounting errors and should be kept as small as possible. Mounting errors - Cause radial forces to act on the encoder shaft. -
Page 17: Electrical Connection And Start Up
Electronic overspeed switch EGS 2 7.7 Electrical connection and start up NOTES! You must observe applicable EMC guidelines when routing cables! 7.7.1 Preparing cables 1. Strip cable insulation. The cable for the signal and supply line is shielded, the cable for the option S and the cable for LWL will not be shielded. -
Page 18: Dismantling
Electronic overspeed switch EGS 2 6. Connect the supply voltage, the signal cable and possibly option S (please refer to the connection diagrams, Chapter 14). 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! EGS2_MANUAL-en_R3(2018-11-14)ID74563.docx... -
Page 20: Inspections
Electronic overspeed switch EGS 2 10 Inspections 10.1 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! 10.2 Maintenance information The device is maintenance-free. -
Page 21: Dimension Drawings
Electronic overspeed switch EGS 2 13 Dimension drawings EGS2_MANUAL-en_R3(2018-11-14)ID74563.docx... - Page 22 Electronic overspeed switch EGS 2 EGS2_MANUAL-en_R3(2018-11-14)ID74563.docx...
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Page 23: Connection Diagrams
Electronic overspeed switch EGS 2 14 Connection diagrams 14.1 Terminal box NOTES! The connection diagrams are displayed in each terminal box cover! Connection diagram PN166-480a 14.2 Connection cable NOTES! The connection diagrams are attached to each cable! Connection diagram PN166-481a...
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