1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULApril 26, 20111SUBJECT 2593OUTLINE OF INVESTIGATIONFORMOTOR DRIVEN TURNSTILE OPERATORS AND SYSTEMSIssue Number: 3APRIL 26, 2011Summary of TopicsThis Third Issue of the Outline of Investigation fo
2、r Motor Driven TurnstileOperators and Systems is being issued to move the component standardrequirements from Appendix A into the body of the standard, as well asincludes specific component requirements that are being applied withinthe end product requirements. This Third Issue also includesmiscella
3、neous editorial revisions related to moving the componentrequirements from Appendix A into the body of the standard.COPYRIGHT 2011 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAPRIL 26, 2011SUBJECT 25932No Text
4、 on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .52 Terminology 53 Glossary .54 Units of Measurement 75 References .7CONSTRUCTION6 General 77 Frame and Enclosure .88 Boxes and Raceways 129 Accessibility
5、 of Uninsulated Live Parts and Film-Coated Wire .1210 Mechanical Assembly .1811 Protection Against Corrosion .1912 Power-Supply Connections 2212.1 General .2212.2 Supply Connections 2213 Live Parts 2514 Internal Wiring and Interconnection Cable .2614.1 General .2614.2 Protection of wiring .2714.3 Sp
6、lices and connections 2814.4 Secondary circuits 2915 Electrical Insulation .3116 Motors .3117 Overload Protection .3218 Switches and Controls .3419 Ground-fault, arc-fault, and leakage current detectors / interrupters .3720 Printed-Wiring Boards .3821 Heating Elements .3822 Lampholders and Lighting
7、.3923 Receptacles 4024 Capacitors .4025 Spacings 4026 Grounding .4327 Photovoltaic Sources 4328 Batteries and Battery Chargers .43PROTECTION AGAINST RISK OF INJURY TO PERSONS29 General 4430 Parts Subject to Pressures 4430.1 General .4430.2 Pressure-relief devices 4531 Moving Parts .4632 Surface Temp
8、eratures .4833 Panic Hardware, Glazing Materials, and Clearance .4833.1 Panic hardware 48APRIL 26, 2011 SUBJECT 2593 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL33.2 Glazing material 4833.3 Clearance .4934 Entrapment and Kinetic Energy .4
9、9EXTERNAL ENTRAPMENT PROTECTION DEVICES35 All Devices .5235.1 General .5235.2 External device test 5235.3 Rain test 5335.4 Ultraviolet light exposure test 5335.5 Resistance to impact test 5336 Photoelectric Sensors .5336.1 Normal operation test .5336.2 Sensitivity test .5436.3 Ambient light test .55
10、37 Edge Sensors 5637.1 Normal operation test .5637.2 Endurance test .5837.3 Elastomeric material conditioning test .5838 Trial Installation .58PERFORMANCE39 Starting Current Test 5840 Input Current Test 5941 Normal Temperature Test 5942 Dielectric Voltage-Withstand Test .6243 Spray Test .6344 Metall
11、ic-Coating-Thickness Test 6645 Accelerated Aging Test of Gaskets .6746 Solid-State Switching Device Overload Test 6847 Strain-Relief Test .6848 Loading Test .6849 Glass Component Mechanical Pressure Test .6950 Glass Component Strength Test 69MANUFACTURING AND PRODUCTION TESTS51 Dielectric Voltage-Wi
12、thstand Test .6952 Grounding Continuity Test .71INSTRUCTION MANUAL53 Details .71MARKINGS54 Details .7254.1 General .7254.2 Components .75APRIL 26, 2011SUBJECT 25934UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These re
13、quirements cover electric turnstile operators and systems rated 250 V or less to be employedin ordinary locations in accordance with the National Electrical Code, NFPA 70 intended for permanentsupply connection.1.2 The rotating member of the turnstiles greater than 13 lb (6 kg) require further inves
14、tigation.1.3 These requirements do not cover doors, gates, and other such assemblies that include electricopening and closing equipment that are covered in the Standard for Door, Drapery, Gate, Louver, andWindow Operators and Systems, UL 325.1.4 These requirements also cover accessories, such as ext
15、ernal entrapment protection devices, for usewith equipment covered by this Outline of Investigation.1.5 Turnstiles intended for exit use as defined in the Life Safety Code, NFPA 101 and codes such as theInternational Building Code, are additionally subject to design requirements specific to such use
16、.1.6 These requirements do cover security or prevention from access.2 Terminology2.1 In the following text, a requirement that only applies to a specific type or types of equipment isidentified by a specific reference in the requirement to the type or types of equipment covered by therequirement. In
17、 the absence of a specific reference, or if the term operator is used, it is understood thatthe requirement applies to all types of equipment within the scope of this Outline of Investigation.3 Glossary3.1 For the purpose of these requirements, the following definitions apply.3.2 AUTOMATIC ACTION Th
18、at action of an automatic control in which the transmission andoperation are produced by initiation which is not the result of actuation.3.3 AUXILIARY CONTROLS A nonessential control employed by a product that provides a functionalutility but is not required in order for the product to comply with a
19、ll applicable requirements of thisOutline of Investigation.3.4 CLASS 2 CIRCUIT An isolated secondary circuit involving a potential of not more than 30 V(42.4 V peak) supplied by:a) A Class 2 circuit per 14.4.3;b) A combination of an isolated transformer secondary winding and a fixed impedance orregu
20、lating network that together comply with the performance requirements for an inherently-limited Class 2 transformer;c) A dry-cell battery having output characteristics not greater than those of an inherently-limitedClass 2 transformer;APRIL 26, 2011 SUBJECT 2593 5UL COPYRIGHTED MATERIAL NOT AUTHORIZ
21、ED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULd) Any combination of (a), (b), and (c) above that together comply with the performancerequirements for an inherently-limited Class 2 transformer; ore) One or more combinations of a Class 2 transformer and an overcurrent protective
22、 devicethat together comply with the performance requirements for a noninherently-limited Class 2transformer.A line-connected circuit connected in series with an impedance as a means of limiting the voltage andcurrent is not a Class 2 circuit.3.5 ENTRAPMENT The condition when an object is caught or
23、held in a position that increases therisk of injury.3.6 INHERENT ENTRAPMENT PROTECTION SYSTEM An operator control which providesprotection against entrapment upon sensing an object and is incorporated as a permanent and integralpart of a system.3.7 OPERATING CONTROL A control where the operation of
24、which starts or regulates theequipment during normal operation. A regulating control is an operating control.3.8 MANUAL CONTROL A control that requires direct human interaction to activate or rest thecontrol.3.9 PROTECTIVE CONTROL A control where the operation of which is intended to prevent the ris
25、kof electric shock, fire, or injury under abnormal operation of the equipment and including entrapmentduring normal and abnormal operation. A limiting control is a protective control.3.10 SYSTEM In the context of these requirements, a system refers to a group of interacting devicesintended to perfor
26、m a common function.3.11 TURNSTILE OPERATOR A form of motor driven pedestrian gate which allows one person topass at a time. It can also be made so as to enforce one-way traffic of people.3.12 TURNSTILE SYSTEM A turnstile operator provided with all parts that complete the assemblyincluding the movin
27、g members.3.13 TYPE 1.D ACTION The actuation of a manual reset control of 3.8 designed so thatdisconnection can neither be prevented nor inhibited, by any reset mechanism and so that afterdisconnection, it is not possible to reclose the circuit even momentarily while the excess or faultcondition per
28、sists.3.14 TYPE 1.H ACTION The actuation of a manual control of 3.8, that shall be so designed that thecontacts cannot be prevented from opening and which may automatically reset to the closed position ifthe reset means is held in the reset position. The control shall not reset automatically at anyt
29、emperature above -31F (-35C) with the reset mechanism in the normal position.3.15 TYPE 2 ACTION The actuation of an automatic control of 3.2, for which the manufacturingdeviation and the drift of its operating value, operating time, or operating sequence are considered.APRIL 26, 2011SUBJECT 25936UL
30、COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4 Units of Measurement4.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.5 References5.1 Any undated reference to a code or st
31、andard appearing in the requirements of this outline shall beinterpreted as referring to the latest edition of that code or standard.CONSTRUCTION6 General6.1 Equipment shall employ materials that are acceptable for the use and shall be made and finished withthe degree of uniformity and grade of work
32、manship practicable in a well-equipped factory.6.2 Equipment shall be formed and assembled so that it will have the strength and rigidity necessary toresist the abuses to which it is likely to be subjected, without increasing its risk of fire, electric shock, orinjury to persons due to total or part
33、ial collapse with resulting reduction of spacings, loosening ordisplacement of parts, or other serious defects.6.3 A component of a product covered by this Standard shall:a) Comply with the requirements for that component as indicated elsewhere in this Standard;b) Be used in accordance with its rati
34、ng established for the intended conditions of use;c) Be used within its established use limitations or conditions of acceptability;d) Additionally comply with the applicable requirements of this end product Standard; ande) Not contain mercury, unless used within a fluorescent, high intensity dischar
35、ge, or neonlamp bulb.Exception No. 1: A component of a product covered by this Standard is not required to comply with aspecific component requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct;b) Is superseded by a requirement in this
36、 Standard; orc) Is separately investigated when forming part of another component, provided the componentis used within its established ratings and limitations.Exception No. 2: A component that complies with a component standard other than those cited elsewherein this Standard is acceptable if:a) Th
37、e component also complies with the applicable component standard indicated elsewherein this Standard; orb) The component standard:APRIL 26, 2011 SUBJECT 2593 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL1) Is compatible with the ampacity a
38、nd overcurrent protection requirements in theNational Electrical Code, NFPA 70, where appropriate;2) Considers long-term thermal properties of polymeric insulating materials inaccordance with the Standard for Polymeric Materials Long Term PropertyEvaluations, UL 746B; and3) Any use limitations of th
39、e other component UL standard are identified andappropriately accommodated in the end use application. For example, a componentused in a household application, but intended for industrial use and complying with therelevant component standard may assume user expertise not common in householdapplicati
40、ons.6.4 A component that is also intended to perform other functions, such as overcurrent protection,ground-fault circuit-interruption, surge suppression, any other similar functions, or any combinationthereof, shall comply additionally with the requirements of the applicable UL standard that cover
41、devicesthat provide those functions.6.5 A component not anticipated by the requirements of this Standard, not specifically covered by thecomponent standards cited in this Standard, and that involves a potential risk of electric shock, fire, orpersonal injury, shall be additionally investigated in ac
42、cordance with the applicable standard, and shallcomply with 6.3 (b) (d).6.6 With regard to a component being additionally investigated, reference to construction andperformance requirements in another UL end product standard is appropriate where that standardanticipates normal and abnormal use condi
43、tions consistent with the application of this Standard.7 Frame and Enclosure7.1 For an unreinforced flat surface, cast metal shall not be less than 1/8-in (3.2-mm) thick, except thatmalleable iron may be not less than 3/32-in (2.4-mm) thick, and die-cast metal may be not less than5/64-in (2.0-mm) th
44、ick. Corresponding thicknesses of not less than 3/32, 1/16, and 3/64 in (2.4, 1.6, and1.2 mm), respectively, may be acceptable if the surface under consideration is curved, ribbed, orotherwise reinforced, or of a shape or size that provides mechanical strength equivalent to that required.7.2 An encl
45、osure of sheet metal shall be evaluated with respect to size, shape, thickness of metal, andacceptability for the application considering the intended use of the complete equipment. The use of sheetsteel having a thickness of less than 0.026 in (0.66 mm) if uncoated or 0.029 in (0.74 mm) if galvaniz
46、edor of nonferrous sheet metal having a thickness of less than 0.036 in (0.91 mm) is not acceptable.Exception: Minimum thickness is not specified for an area that is relatively small or a surface that iscurved or otherwise reinforced.7.3 Sheet metal to which a wiring system is to be connected in the
47、 field shall have a thickness not lessthan 0.032 in (0.81 mm) if uncoated steel, not less than 0.034 in (0.86 mm) if galvanized steel and notless than 0.045 in (1.14 mm) if nonferrous.APRIL 26, 2011SUBJECT 25938UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PE
48、RMISSION FROM UL7.4 The effects of the following factors shall be determined for compliance of a nonmetallic enclosure oran enclosure of magnesium that complies with 6.2, including enclosures of low-voltage circuits relied onfor entrapment protection:a) Mechanical strength;b) Resistance to impact;c)
49、 Moisture-absorption properties;d) Combustibility;e) Resistance to distortion at temperatures to which the material is subjected under conditionsof normal or abnormal use; andf) Resistance to ultraviolet light, where applicable.7.5 The enclosure of equipment shall prevent molten metal, burning insulation, flaming particles, or thelike from falling on combustible materials, including the surface upon which the equipment is supported.7.6 The requirement in 7.5, will necessitate the use of a barrier of noncombustible material:a) Under a motor unless:
