1、NEMA Standards PublicationNational Electrical Manufacturers AssociationNEMA ICS 8-2011Industrial Control and Systems Crane and Hoist ControllersICS 8-2011Page i Copyright 2011 by National Electrical Manufacturers Association NEMA Standards Publication ICS 8-2011Application Guide for INDUSTRIAL CONTR
2、OL AND SYSTEMS CRANE AND HOIST CONTROLLERS Published byNational Electrical Manufacturers Association1300 North 17th Street Rosslyn, Virginia 22209 Copyright 2011 by National Electrical Manufacturers Association. All rights including translation into other languages, reserved under the Universal Copy
3、right Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American Copyright Conventions. ICS 8-2011Page ii Copyright 2011 by National Electrical Manufacturers Association NOTICE AND DISCLAIMER The information in this publication was cons
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13、nt. ICS 8-2011Page iii Copyright 2011 by National Electrical Manufacturers Association Table of Contents FOREWORD .xig3INTRODUCTION . xixiiig3Part 1 PART 1 GENERAL STANDARDS FOR CRANE CONTROLLERS RATED 600 VOLTS OR LESS, AC AND DC 1g31.1g3 General 1g31.1.1g3 Referenced Standards 1g31.1.2g3 Scope 2g3
14、1.1.3g3 Normative References 3g31.2g3 Definitions 3g31.3g3 Classifications 6g31.3.1g3 General .6g31.3.2g3 Class I Controllers 6g31.3.3g3 Class II Controllers .6g31.3.4g3 Crane Service Classes .6g31.3.5g3 Crane Service in terms of Load Class and Load Cycles 8g31.4g3 Characteristics and Ratings 10g31.
15、4.1g3 General Provisions for DC and AC Controllers . 10g31.4.2g3 Current Rating of the Disconnecting Means for Cranes . 10g31.4.3g3 Maximum Control Voltage . 10g31.4.4g3 Power Circuit Resistor Ratings 10g31.4.5g3 Electrically-Operated Brakes . 10g31.5g3 Product Marking, Installation, and Maintenance
16、 Information . 11g31.5.1g3 Product Marking 11g31.5.2g3 Installation 11g31.5.3g3 Maintenance Information . 11g31.6g3 Service and Storage Conditions . 11g31.7g3 Construction 11g31.7.1g3 Disconnecting Means 11g31.7.2g3 Branch Circuit Protection . 11g31.7.3g3 Power-Circuit Resistors . 11g31.7.4g3 Termin
17、ations for Power Cables . 11g31.7.5g3 Operator Controls 11g31.8g3 Performance and Tests 13g3ICS 8-2011Page iv Copyright 2011 by National Electrical Manufacturers Association 1.9g3 DEVICES 13g31.9.1g3 Pushbuttons . 13g31.9.2g3 Crane Limit Switches . 13g31.9.3g3 Auxiliary Contacts 13g31.9.4g3 Master S
18、witches 13g3Part 2 CONSTANT-VOLTAGE DC MAGNETIC CONTROLLERS FOR MOTORS ON CRANES 19g32.1g3 General . 19g32.1.1g3 Scope. 19g32.1.2g3 Normative References . 19g32.2g3 Definitions . 19g32.3g3 Classifications . 19g32.4g3 Characteristics and Ratings 19g32.4.1g3 Controller Contactors . 19g32.4.2g3 Rating
19、of Controller Power-Circuit Disconnecting Means . 20g32.5g3 Product Marking, Installation and Maintenance Information 20g32.6g3 Service and Storage Conditions . 20g32.7g3 Construction 21g32.7.1g3 Quantity of Accelerating Contactors 21g32.7.2g3 Equipment Required 21g32.8g3 Performance and Test 23g32.
20、9g3 Application 23g3Part 3 ADJUSTABLE-VOLTAGE DC CONTROLLERS FOR MOTORS ON CRANES 24g33.1g3 General . 24g33.1.1g3 Scope. 24g33.1.2g3 Normative References . 24g33.2g3 Definitions . 24g33.3g3 Classifications . 24g33.4g3 Characteristics and Ratings 24g33.4.1g3 Controller Contactors . 24g33.5g3 Product
21、Marking, Installation and Maintenance Information 25g33.6g3 Service and Storage Conditions . 25g33.7g3 Construction 25g33.7.1g3 Equipment Required 25g33.8g3 Performance and Test 25g33.9g3 Application 25g3ICS 8-2011Page v Copyright 2011 by National Electrical Manufacturers Association Part 4 MAGNETIC
22、 CONTROLLERS FOR AC WOUND-ROTOR MOTORS ON CRANES 27g34.1g3 General . 27g34.1.1g3 Scope. 27g34.1.2g3 Normative References . 27g34.2g3 Definitions . 27g34.3g3 Classifications . 27g34.4g3 Characteristics and Ratings 27g34.4.1g3 Controller Contactors . 27g34.4.2g3 Rating of Controller Power-Circuit Isol
23、ating Means 27g34.5g3 Product Marking, Installation and Maintenance Information 28g34.6g3 Service and Storage Conditions . 28g34.7g3 Construction 28g34.7.1g3 Quantity of Accelerating Contactors 28g34.7.2g3 Equipment Required 28g34.8g3 Performance and Tests 30g34.9g3 Application 30g3Part 5 STATIC CON
24、TROLLERS FOR AC WOUND-ROTOR MOTORS ON CRANES . 31g35.1g3 General . 31g35.1.1g3 Scope. 31g35.1.2g3 Normative References . 31g35.2g3 Definitions . 31g35.3g3 Classifications . 31g35.4g3 Characteristics and Ratings 31g35.4.1g3 Controller Contactors . 31g35.4.2g3 Rating of Controller Power-Circuit Isolat
25、ing Means 31g35.5g3 Product Marking, Installation and Maintenance Information 31g35.6g3 Service and Storage Conditions . 31g35.7g3 Construction 32g35.7.1g3 Equipment Required 32g35.8g3 Performance and Tests 32g35.9g3 Application 32g3Part 6 CRANE AND HOIST POWER-CIRCUIT LIMIT SWITCHES 33g36.1g3 Gener
26、al . 33g36.1.1g3 Scope. 33g36.1.2g3 Normative References . 33g3ICS 8-2011Page vi Copyright 2011 by National Electrical Manufacturers Association 6.2g3 Definitions . 33g36.3g3 Classifications . 33g36.3.1g3 Direction of Operation 33g36.3.2g3 Reset Operating Means . 33g36.4g3 Characteristics and Rating
27、s 35g36.5g3 Current and Horsepower Ratings . 35g36.5.1g3 Voltage Ratings . 35g36.5.2g3 Auxiliary Contacts 35g36.6g3 Product Marking, Installation and Maintenance Information 36g36.6.1g3 Marking 36g36.6.2g3 Maintenance 36g36.7g3 Service and Storage Conditions . 38g36.8g3 Construction 38g36.9g3 Perfor
28、mance and Tests 38g36.9.1g3 Performance Requirements 38g36.9.2g3 Tests 38g36.10g3 Application 42g36.10.1g3 Intended Function . 42g36.10.2g3 Wire Rope Sheaves 42g36.10.3g3 Wire Rope Length . 42g36.10.4g3 Reset Weights 42g36.10.5g3 Lever-Operated Switch Overtravel . 43g36.10.6g3 Frequency of Operation
29、 43g36.10.7g3 Low Current DC Operation . 43g36.10.8g3 Intermittent Rating Applications 43g36.10.9g3 Reversing or Plugging 44g3Part 7 HEAVY-DUTY DC MAGNETIC CONTACTORS RATED 600 VOLTS 45g37.1g3 General . 45g37.1.1g3 Scope. 45g37.1.2g3 Normative References . 45g37.2g3 Definitions . 45g37.3g3 Classific
30、ations . 45g37.4g3 Characteristics and Ratings 45g37.4.1g3 Contact Forms . 45g37.4.2g3 Voltage Ratings . 45g37.4.3g3 Current Ratings of DC Contactors . 45g3ICS 8-2011Page vii Copyright 2011 by National Electrical Manufacturers Association 7.4.4g3 Horsepower Ratings of DC Contactors . 46g37.5g3 Produ
31、ct Marking, Installation and Maintenance Information 46g37.5.1g3 Device Marking 46g37.5.2g3 Maintenance 46g37.6g3 Service and Storage Conditions . 46g37.7g3 Construction 47g37.7.1g3 Mechanical Interlocking . 47g37.7.2g3 Terminal Sizes . 47g37.8g3 Performance and Test 47g37.8.1g3 General 47g37.8.2g3
32、Temperature Rise Tests 47g37.8.3g3 Make and Break (Operating Overload) Design Test . 47g37.8.4g3 Mechanical and Electrical Endurance Tests . 48g37.8.5g3 Mechanical Endurance Test 49g37.8.6g3 Electrical Endurance Test 49g37.8.7g3 Operating Voltage Test 50g37.9g3 Application 50g37.9.1g3 Application Gu
33、ide 50g37.9.2g3 Application of Enclosed Contactors . 50g37.9.3g3 Arc Clearance Test Data . 50g3Part 8 AC ADJUSTABLE FREQUENCY CONTROLLERS FOR MOTORS AND CRANES . 51g38.1g3 General . 51g38.1.1g3 Scope. 51g38.1.2g3 Classifications 51g38.2g3 Characteristics and Ratings 51g38.2.1g3 Ratings. 51g38.2.2g3
34、Speed Ratings . 51g38.2.3g3 Overload Capacity Ratings 51g38.2.4g3 Holding Brake Ratings . 52g38.2.5g3 Rating of Controller Power Circuit Isolating Means . 52g38.3g3 Product Marking, Installation and Maintenance Information 52g38.4g3 Service and Storage Conditions . 52g38.5g3 Construction 52g38.5.1g3
35、 Controller Contactors . 52g38.5.2g3 Acceleration Control 52g3ICS 8-2011Page viii Copyright 2011 by National Electrical Manufacturers Association 8.5.3g3 Dynamic Braking Controller . 52g38.5.4g3 Dynamic Braking Slowdown 53g38.5.5g3 Dynamic Braking Lowering 53g38.5.6g3 Adjustable Frequency Equipment
36、Required 53g38.6g3 Performance and Test 53g38.7g3 Application 53g3Part 9 WIRELESS CONTROL SYSTEMS FOR CRANES 54g39.1g3 General . 54g39.1.1g3 Scope. 54g39.1.2g3 Normative References . 54g39.2g3 Definitions . 54g39.3g3 Classifications . 54g39.4g3 Characteristics and Ratings 54g39.5g3 Product Marking,
37、Installation and Maintenance Information 54g39.5.1 54g39.5.2 54g39.6g3 Service and Storage Conditions . 54g39.7g3 Construction 54g39.7.1g3 Technology 54g39.7.2g3 Equipment Required 55g39.8g3 Performance and Test 56g39.8.1 56g39.8.2 56g39.8.3g3 Interference 56g39.8.4g3 System Operating Range 57g39.8.
38、5g3 Safety Coding 57g39.9g3 Application 57g3Part 10 ELECTROMAGNETIC BRAKES 58g310.1g3 GENERAL REQUIREMENTS 58g310.1.1g3 Scope 58g310.1.2g3 Normative References 58g310.2g3 Definitions . 58g310.3g3 CLASSIFICATIONS 58g310.3.1g3 Brake Types . 58g310.3.2g3 Mounting Arrangements . 58g3ICS 8-2011Page ix Co
39、pyright 2011 by National Electrical Manufacturers Association 10.3.3g3 Flat Plate Disc Brakes 59g310.4g3 Characteristics and Ratings 59g310.4.1g3 General Purpose Shoe and Caliper Brake Torque Ratings . 59g310.4.2g3 Torque Ratings for Flat Plate Disc Brakes . 60g310.4.3g3 Shoe and Caliper Disc Brake
40、Coil Ratings . 60g310.4.4g3 Brake Operating Time 60g310.5g3 Product Marking Information, Installation and Maintenance 60g310.5.1g3 Brake Mounting Tolerances . 60g310.5.2g3 Maintenance . 60g310.5.3g3 Special Precautions 61g310.5.4g3 Device Markings . 62g310.6g3 Service and Storage Conditions . 62g310
41、.6.1g3 Unusual Environmental Conditions 62g310.7g3 Construction 63g310.7.1g3 Dimensions of Shoe and Caliper Disc Brakes . 63g310.7.2g3 Enclosures 68g310.8g3 PERFORMANCE REQUIREMENTS AND TESTS 70g310.8.1g3 Range of Operating Voltage and Current . 70g310.8.2g3 Braking Torque . 71g310.8.3g3 Dielectric
42、Test . 71g310.9g3 APPLICATION 71g310.9.1g3 Brake Energy Dissipation . 71g310.9.2g3 Shunt Brake Coil Control 71g310.9.3g3 Reaction Loads . 71g310.9.4g3 Rotating Speed . 72g310.9.5g3 Disc Flatness and Runout 72g3Part 11 RESISTORS AND RHEOSTATS 73g311.1g3 GENERAL . 73g311.1.1g3 Scope 73g311.1.2g3 Norma
43、tive References 73g311.2g3 DEFINITIONS . 73g311.3g3 CLASSIFICATION 73g311.3.1g3 Resistors, General 73g311.4g3 CHARACTERISTICS AND RATINGS 76g311.4.1g3 Characteristics 76g3ICS 8-2011Page x Copyright 2011 by National Electrical Manufacturers Association 11.4.2g3 Ratings 76g311.5g3 PRODUCT MARKING, INS
44、TALLATION AND MAINTENANCE INFORMATION 77g311.5.1g3 Product Marking . 77g311.5.2g3 Specific Maintenance Instructions 77g311.5.3g3 Preventive Maintenance Guide 77g311.6g3 SERVICE AND STORAGE CONDITIONS . 77g311.6.1g3 Normal Service Conditions . 77g311.6.2g3 High Altitude Applications . 77g311.7g3 CONS
45、TRUCTION. 77g311.7.1g3 General . 77g311.7.2g3 Factory Tests 78g311.8g3 PERFORMANCE REQUIREMENTS AND TESTS 78g311.8.1g3 Temperature Rise Performance Criteria 78g311.8.2g3 Temperature Rise Tests . 79g311.8.3g3 Dynamic Braking Resistors 79g311.8.4g3 Current-Carrying Ability 79g311.9g3 APPLICATION 79g31
46、1.9.1g3 Current-Carrying Capacity of Resistor Wires for Motors 79g311.9.2g3 Resistor Application Table 80g3Annex A CRANE INFORMATION A-1Supplement SCOPE OF THE INDUSTRIAL CONTROL AND SYSTEMS SECTION . S-1ICS 8-2011Page xi Copyright 2011 by National Electrical Manufacturers Association FOREWORDThis S
47、tandards Publication was prepared by a technical committee of the NEMA Industrial Control and Systems Section. It was approved in accordance with the bylaws of NEMA and supersedes the indicated NEMA Standards. Replacement:Part 10 supersedes ICS 9 Part 1 Part 11 supersedes ICS 9 Part 2 This standards
48、 publication provides practical information concerning ratings, construction, test, performance, and manufacture of industrial control equipment. These standards are used by the electrical industry to provide guidelines for the manufacture and proper application of reliable products and equipment an
49、d to promote the benefits of repetitive manufacturing and widespread product availability. NEMA standards represent the result of many years of research, investigation, and experience by the members of NEMA, its predecessors, its sections, and committees. They have been developed through continuing consultation among manufacturers, users, and national engineering societies and have resulted in improved serviceability of electrical products with economies to manufacturers and users. One of the primary purposes of this standards publication is to encourage the production
