AS 4024.2-1998

1 - AS 4024.2-1998 SAFEGUARDING OF MACHINERY - INSTALLATION AND COMMISSIONING REQUIREMENTS FOR ELECTRO-SENSITIVE SYSTEMS...
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 OBJECTIVE
7 - 1.3 APPLICATION
7 - 1.4 REFERENCED DOCUMENT
7 - 1.5 DEFINITIONS
7 - 1.5.1 Actuation (of protective equipment)
8 - 1.5.2 Approach
8 - 1.5.3 Blanking
8 - 1.5.4 Detection capability
8 - 1.5.5 Detection zone
8 - 1.5.6 Direction of approach
8 - 1.5.7 Electro-sensitive protective equipment (ESPE)
8 - 1.5.8 Hazardous area
8 - 1.5.9 Muting
8 - 1.5.10 Overall system stopping performance
8 - 1.5.11 Residual risk
8 - 1.5.12 Safety distance
8 - 1.5.13 Safety measure
9 - 1.6 GENERAL
10 - SECTION 2 RISK ASSESSMENT
10 - 2.1 GENERAL
10 - 2.2 RISK ASSESSMENT
12 - 2.3 DOCUMENTATION
13 - SECTION 3 SAFETY DISTANCES
13 - 3.1 GENERAL
13 - 3.2 SAFETY DISTANCE
14 - 3.3 LOCATION OF ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT
14 - 3.4 METHODOLOGY
16 - 3.5 GENERAL EQUATION FOR CALCULATING MINIMUM DISTANCES
16 - 3.6 CALCULATING MINIMUM DISTANCES FOR ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT EMPLOYING ACTIVE OPTOELECTRONIC PROTECTIVE DEVICES
16 - 3.6.1 General
16 - 3.6.2 Direction of approach normal to the detection zone
24 - 3.6.3 Direction of approach parallel to the detection zone (see Figure 3.9)
26 - 3.6.4 Direction of approach angled to the detection zone (see Figure 3.11)
28 - 3.6.5 Dual position equipment
29 - 3.7 CALCULATING SAFETY DISTANCES FOR FLOOR LEVEL ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT
29 - 3.7.1 General method
29 - 3.7.2 Walking speeds and stride lengths
30 - 3.7.3 Floor mounting
30 - 3.7.4 Step mounting
30 - 3.8 BLANKING
30 - 3.8.1 General
30 - 3.8.2 Requirements
30 - 3.8.3 Blanking techniques
30 - 3.8.4 Visual indicators
31 - SECTION 4 SAFETY-RELATED CONTROL SYSTEMS
31 - 4.1 SAFETY-RELATED CONTROL SYSTEMS FITTED WITH ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT
31 - 4.2 ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT USED AS A MACHINE-START INTERLOCK
32 - 4.3 NORMAL START OPERATION
32 - 4.3.1 General
32 - 4.3.2 Position
32 - 4.3.3 Warning signals
32 - 4.4 MUTING
32 - 4.4.1 General
33 - 4.4.2 Requirements
33 - 4.4.3 Visual indicators
34 - SECTION 5 FUNCTIONAL REQUIREMENTS OF ADDITIONAL SAFETY-RELATED CONTROL SYSTEMS
34 - 5.1 GENERAL
34 - 5.2 SAFETY MONITORING DEVICES
34 - 5.2.1 Functional requirements
37 - 5.2.2 Fault condition requirements
37 - 5.3 STOPPING PERFORMANCE MONITOR
37 - 5.3.1 Functional requirements
38 - 5.3.2 Fault condition requirements
38 - 5.3.3 Marking
38 - 5.4 SECONDARY SWITCHING DEVICE
38 - 5.4.1 Functional requirements
38 - 5.4.2 Fault condition requirements
38 - 5.5 START INTERLOCK
38 - 5.5.1 Functional requirements
38 - 5.5.2 Fault condition requirements
38 - 5.6 RESTART INTERLOCK
38 - 5.6.1 Functional requirements
39 - 5.6.2 Fault condition requirements
39 - 5.7 MUTING
39 - 5.7.1 Functional requirements
39 - 5.7.2 Fault condition requirements
39 - 5.8 ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT USED AS A MACHINE-RESTART DEVICE
39 - 5.8.1 General
40 - 5.8.2 Functional requirements
40 - 5.8.3 Fault condition requirements
41 - SECTION 6 COMMISSIONING AND TESTING
41 - 6.1 SCOPE OF SECTION
41 - 6.2 DOCUMENTATION
41 - 6.3 FREQUENCY OF TESTING
41 - 6.4 COMMISSIONING EXAMINATION AND TESTS
41 - 6.4.1 General
41 - 6.4.2 Performance
41 - 6.4.3 Additional requirements
42 - 6.5 SIX- OR TWELVE-MONTHLY EXAMINATION, INSPECTION AND TEST PROCEDURE
42 - 6.5.1 General
42 - 6.5.2 Performance
42 - 6.5.3 Additional requirements
43 - 6.6 TESTS TO BE CARRIED OUT DAILY AND AFTER SETTING
43 - 6.6.1 General
43 - 6.6.2 Performance
43 - 6.6.3 Additional requirements
43 - 6.7 TESTING OF OPTIONAL REQUIREMENTS
43 - 6.7.1 Safety monitoring device
44 - 6.7.2 Stopping performance monitor
44 - 6.7.3 Secondary switching device
44 - 6.7.4 Start interlock
45 - 6.7.5 Restart interlock
45 - 6.7.6 Muting
45 - 6.7.7 Electro-sensitive protective equipment used as machine restart
46 - APPENDIX A - WORKED EXAMPLES OF SAFETY DISTANCES
46 - A1 WORKED EXAMPLES
46 - A2 EXAMPLE 1
46 - A3 EXAMPLE 2
46 - A4 EXAMPLE 3
46 - A4.1 Introduction
46 - A4.2 Vertical application
47 - A4.3 Horizontal application
47 - A5 EXAMPLE 4
48 - A6 EXAMPLE 5
48 - A6.1 General
48 - A6.2 Safety distance calculation
48 - A6.3 Height determination for equipment normal to approach
48 - A6.4 Height determination for equipment parallel to approach
49 - A7 EXAMPLES COMPARING DIFFERENT DEVICES
49 - A7.1 Example 6
50 - A7.2 Example 7
53 - APPENDIX B - GUIDANCE FOR THE SELECTION OF CATEGORIES
53 - B1 SCOPE
53 - B2 METHOD
53 - B3 GUIDANCE IN SELECTING PARAMETERS S, F AND P FOR RISK ESTIMATION
53 - B3.1 Severity of injury (S1 and S2)
53 - B3.2 Frequency or exposure time to the hazard (F1 and F2)
54 - B3.3 Possibility of avoiding the hazards (P1 and P2)
54 - B4 DESIGN OF SAFETY RELATED PARTS OF CONTROL SYSTEMS
54 - B4.1 The safety related parts of control systems
56 - B4.2 Category specification
60 - APPENDIX C - SAFETY DISTANCES FOR ANGLED OR NORMAL APPROACH
60 - C1 GENERAL
60 - C2 METHOD
60 - C2.1 For angled approach
62 - C2.2 Approach normal to the detection zone

Specifies requirements for the installation and commissioning of optoelectronic devices which are to be used for machinery safety applications.

This Standard specifies the installation and commissioning requirements for electro-sensitive protective equipment using optoelectronic devices specifically related to machinery safety. Requirements for the manufacture and testing of electro-sensitive systems using optoelectronic devices may be found in AS 4024.3.

First published as part of AS 4024.2(Int)-1992.
Revised and redesignated AS 4024.2-1998.