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GB 19436.3-2008 English PDF

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GB 19436.3-2008: Electrical safety of machinery -- Electro-sensitive protective equipment -- Part 3: Particular requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection (AOPDDR)
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GB 19436.3-2008774 Add to Cart 4 days Electrical safety of machinery -- Electro-sensitive protective equipment -- Part 3: Particular requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection (AOPDDR) Valid

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Basic data

Standard ID: GB 19436.3-2008 (GB19436.3-2008)
Description (Translated English): Electrical safety of machinery -- Electro-sensitive protective equipment -- Part 3: Particular requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection (AOPDDR)
Sector / Industry: National Standard
Classification of Chinese Standard: J09
Classification of International Standard: 13.110; 29.260.99
Word Count Estimation: 39,374
Date of Issue: 2008-06-19
Date of Implementation: 2009-06-01
Quoted Standard: GB/T 2423.22-2002; GB/T 2423.55-2006; GB 4208-1993; GB/T 19436.1-2004; GB/T 7247.1-2001
Adopted Standard: IEC 61496-3-2001, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 10 of 2008 (total 123)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Chinese standard specifies the use of active optical sensing function diffuse protective devices (AOPDDRs), for the mechanical safety of electro-sensitive protective equipment (ESPE) the design, manufacture and testing of additional requirements. Ensure that the device suitable for those who meet safety performance requirements given special attention. ESPE may include some optional security function, select the requirements in Appendix A of this standard and GB/T 19436. 1-2004 Appendix A are given. This standard features only ESPE, does not require the detection zone size or structure, and in any particular application, the layout of hazardous parts, but also does not provide any mechanical danger state. AOPDDR the detection zone is a two-dimensional sensing device. Emitted by the transmitter near infrared radiation detection element

GB 19436.3-2008: Electrical safety of machinery -- Electro-sensitive protective equipment -- Part 3: Particular requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection (AOPDDR)



---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Electrical safety of machinery.Electro-sensitive protective equipment.Part 3. Particular requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection (AOPDDR) ICS 13.110; 29.260.99 J09 National Standards of People's Republic of China GB 19436.3-2008/IEC 61496-3.2001 Electrical safety of machinery - Electro - sensitive protective equipment Part 3. Using Active Opto diffuse Special requirements for protection devices (AOPDDR) equipment (IEC 61496-3.2001, IDT) Posted 2008-06-19 2009-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 function, design and environmental requirements 2 4.1 Functional requirements 2 4.2 Design Requirements 2 4.3 Environmental Requirements 5 5 Test 7 5.1 Overview 7 5.2 Functional Test 7 Performance test under fault conditions 10 5.3 10 5.4 Environmental Testing 6 Identify signs and safety signs 18 7 accompanying documents 18 Appendix A (Normative Appendix) ESPE optical function 25 Appendix B (normative) Influence ESPE electrical device single failure category 27 Annex C (normative) References 27 Annex AA (informative appendix) AOPDDR Examples of different applications 28 Relations Appendix BB (informative) ranging accuracy and probability of detection of 31 GB 19436.3-2008/IEC 61496-3.2001

Foreword

GB 19436 "Electrical safety of machinery - Electro - sensitive protective equipment" is divided into four parts. --- Part 1. General requirements and tests; --- Part 2. using active optoelectronic protective devices (AOPD) Special equipment requirements; --- Part 3. using active optoelectronic protective devices diffuse (AOPDDR) Special equipment requirements; --- Part 4. Vision-based protective devices Particular requirements. This section GB of Section 319 436. This section identical with IEC 61496-3.2001 "Safety of machinery - Electro - sensitive protective equipment Part 3. Active diffuse photoelectric protection device (AOPDDR) the special requirements "first edition (in English). General requirements. The provisions of this section, see GB/T 19436.1-2004 "electric machinery electrical safety sensitive protective equipment - Part 1 missing And testing. " This section is ESPE Electro-sensitiveprotectiveequipment Abbreviation, see GB/T 19436.1-2004 3.1. This section OSSD is OutputSignalSwitchingDevice Abbreviation, see GB/T 19436.1-2004 3.19. OSSDs or OSSD (s) of the last letter s, represents a complex, consistent with the IEC standard. For ease of use, this section made the following editorial changes. --- Will apply international standards applicable to our presentation to the standard formulation (including punctuation); --- The IEC 61496-3.2001 standard in the name of "Safety of machinery" Modify oriented part of the standard in the name of "mechanical and electrical safety." This part of the Appendix A and Appendix B are normative appendix. This part of the Appendix C, Appendix Appendix AA and BB are informative appendices. This part is proposed by China Machinery Industry Federation. The electrical system in part by the National Machinery Industry Standardization Technical Committee (SAC/TC231) centralized. This section is drafted. Beijing Machine Tool Research Institute, Beijing and advantage Motor Co., Beijing KND CNC Technology Co., Zhejiang Kaida Machine Tool Group Co., Ltd. The main drafters of this section. Cho Kwong, Wang Jian, Huang Lin, Yang Hongli, He Yujun. This section first release. GB 19436.3-2008/IEC 61496-3.2001

Introduction

Electro-sensitive protective equipment (ESPE) suitable for mechanical damage to human existence. It in front of people at risk, the mechanical responses to security The whole state, so as to provide protection. This part of the widely used general design and performance requirements make provision ESPE. Meet the most basic features of the equipment required by section Is a fairly safe level of performance and to maintain this level of performance and built-in predetermined periodic function tests/self-test. This part is GB/T 19436.1 corresponding provisions be supplemented and modified. As Part 1 of the special provisions in Part 3 does not mention it is reasonable. This part of the "complementary", "modification" or "Replace" is an alternative content related to Part 1. This section has the status of a standard product line can be used as a reference to mechanical and electrical safety of products. Each type of machine has its own specific danger, the purpose of this section is not a recommended way ESPE on any particular machine used formula. ESPE application is available for parties, between the user and the machine implementing agencies should consult the matter, in this regard, note that domestic and foreign relevant indicators South, for example, GB/T 15706 (eqv ISO /T R12100). GB 19436.3-2008/IEC 61496-3.2001 Electrical safety of machinery - Electro - sensitive protective equipment Part 3. Using Active Opto diffuse Special requirements for protection devices (AOPDDR) equipment

1 Scope

This section provides sensing using active optoelectronic protective devices diffuse (AOPDDRs), for mechanical safety of electro-sensitive prevention Additional requirements for protective equipment (ESPE) the design, manufacture and testing. For those who reach the appropriate means to ensure the safety performance requirements given special s concern. ESPE may include optional safety function, select functional requirements in this section in Appendix A and GB/T 19436.1- 2004 Appendix A are given. This section is limited to ESPE function, it does not specify the size or the layout and structure of the detection zone in any particular application to hazardous parts, Nor any provision constitute a dangerous state machinery. AOPDDR detection device is a two-dimensional detection zone. By the transmitter element emits near infrared radiation detection zone when the light emitted Encountered an object (such as a human body or partial), part of the radiation reflected by a diffuse way to the receiver, which can be detected in the region object. Note. In some cases, the need to consider the limitations of the sensor in use. E.g. --- Produces specular reflection (special) objects, if its value is less than the predetermined value diffuse "black" test piece, the object may not be detected; The minimum reflectance --- obstacle detection is based on people's clothing to determine. When the reflectance is lower than the estimated value of the object of this section, the object is May not be detected. This section does not apply to radiation wavelength AOPDDR beyond 820nm ~ 946nm range, and not by its own light emission Those AOPDDR. For radiation wavelength outside the range of the sensor, this section can be used as a guideline. In addition, the standard He said detection capabilities beyond 50mm ~ 100mm range AOPDDRs not apply to this section. This section may be those related to non-human protection applications, such as. protection of machinery or products from mechanical damage. In these applications , Such as. the need to be detected by the sensing objects have different from the characteristics of the human body and clothing, may also need some additional requirements. This section does not involve electromagnetic compatibility (EMC) emission requirements. Who has only one dimension, distance measurement point source optoelectronic devices, such as proximity switches, nor within the scope of this section.

2 Normative references

The following documents contain provisions which, through reference in this Part of GB 19436, constitute provisions of this part. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 2423.22-2002 Environmental testing for electric and electronic products Part 2. Test methods - Test N. Temperature change (IEC 60068-2-14. 1984, IDT) GB/T 2423.55-2006 Environmental testing for electric and electronic products Part 2. Test methods - Test Eh. Hammer tests (IEC 60068-2-75.1997, IDT) GB 4208-1993 housing protection (IP Code) (eqv IEC 60529. 1989) GB/T 19436.1-2004 electric machinery electrical safety sensitive protective equipment - Part 1. General requirements and tests (IEC 61496-1. 1997, IDT) GB 19436.3-2008/IEC 61496-3.2001 GB/T 7247.1-2001 Safety of laser products - Part 1. Equipment Classification, Requirements and User's Guide (idt IEC 60825-1. 1993) Note. GB/T 19436.1-2004 in Chapter 2 of the above-cited references to files through document supplements apply to this section.

3 Terms and Definitions

GB/T 19436.1-2004 after Chapter 3, by the following terms and definitions apply to this supplement. 3.301 By the optical transmitting and receiving device sensing element is completed. Detected by the detection zone specified in two dimensions in the range of the device Optical radiation generated when objects appear diffuse. 3.302 In the detection zone to detect the specified test piece (see 4.2.13) capabilities. 3.303 Located in an area outside the detection zone, the detection zone in the region to detect the specified test piece (see 4.2.13) must meet the requirements of the probability need. 4 function, design and environmental requirements GB/T 19436.1-2004 corresponding content section after the adoption of the following substitutions and additions are applicable to this section. 4.11) functional requirements 4.1.3 ESPE Type This section considers only the first three types of ESPE. Supply and/or user equipment shall be responsible for this type is suitable for special applications Make provisions. Type 3 ESPE shall meet the requirements of this section 4.2.2.4 for fault detection. In normal operation, when the sensing device is actuated or off Power-up, such ESPE at least two output signal switching devices (OSSDs) in each output circuit should become OFF state. Note. GB/T 19436.1-2004 provisions in 4.1.3 after replacing the above apply to this section. 1) lack of item, such as 4.1.1,4.1.2,4.2.1,4.2.2.1,4.2.2.2,4.2.2.4,4. 2.2.5,4.2.3 4.2.11,4.3.1 ~ ~ 4.3.4,5.1.1.1, 5.1.2.1,5.1.3,5.2.2 ~ ~ 5.4.5 5.2.8,5.3,5.4.1 see GB/T 19436.1-2004 . 4.1.4 detection capability restricted area In the detection plane, the light from the window and the distance between its recent detection zone boundary should not exceed 50mm. Detection capability is an area restricted area and the starting point of the detection zone between the light window. In order to ensure that a particular application since the detection area and the light window Exists between this region and cause a hazard, the supplier shall provide the appropriate information and the size of the region. 4.2 Design Requirements 4.2.2 Fault detection requirements 4.2.2.2 Particular requirements for the type 1ESPE GB/T 19436.1-2004 present terms is not applicable here. 4.2.2.3 Particular requirements for the type 2ESPE GB/T 19436.1-2004 present terms is not applicable here. 4.2.2.4 Particular requirements for the type 3ESPE Because when a single failure of sensitive devices caused AOPDDR detection capability previously described completely lost, it should make ESPE in Regulation GB 19436.3-2008/IEC 61496-3.2001 Within the given response time to enter the locked state. Note 1. The spin mirror scans the detection zone AOPDDR, located by scanning a predetermined reference detection zone and the tolerance zone outside will be able to meet this requirement. When the single fault occurs resulting in reduced above AOPDDR detection capability, should make ESPE into the locked within 5s after failure status. Note 2. AOPDDR detection capability reduces examples. --- Minimum detectable object size increases; --- Reflectance minimum detectable object is increased; --- Detection accuracy is reduced. When the single fault resulting in increased response time exceeds a predetermined value, or at least to prevent the OSSD to enter a disconnected state, should make ESPE Now enter the locked state. For example, within the response time specified, or the fault detection requirements of state changes in accordance with the requirements of the following events stand It enters a locked state. --- Activate the sensor function; --- Off/on switch; --- Start interlock or the restart interlock reset (if so, see GB/T 19436.1-2004 in A.5 and A.6); --- Using an external test signal (if any). Note 3. In special applications, the sensor function is activated if the frequency is low and only change when the state was only monitored OSSD, you may need an external test signal. When the locked state caused by the fault persists, even through the main power supply is interrupted and then restored, or other means, should not make ESPE Leaving the locked state is reset. If ESPE does not cause a dangerous failure of a single fault is not detected, there should not be other failures caused by failure to danger. Correct Verify this requirement, see 5.3.4. Note. GB/T 19436.1-2004 provisions in 4.2.2.4 after replaced by the above apply to this section. 4.2.2.5 Particular requirements for the type 4ESPE GB/T 19436.1-2004 of this clause do not apply to this section. Integrity 4.2.12 AOPDDR detection capability 4.2.12.1 Overview AOPDDR should be designed to ensure that their supply-side detection capability of not less than the limits specified in this part of the middle finger of any of the following. --- Aging element; --- Component tolerances (e.g.,. the spectral sensitivity of the receiving member); --- Distance dependent sensitivity change, such as those relating optical sensitivity; --- Adjustment limit; --- AOPDDR unreliable internal optical and mechanical parts of the installation; --- Environmental interference, in particular. a) the system noise; b) in line with GB/T electrical interference 4.3.2 specified 19436.1-2004; c) contamination on the surface of the optical window of the housing; d) condensing on the surface of the optical window of the housing; e) ambient temperature; f) ambient light; g) Background (for example. the contrast between the background and the object); h) vibration and shock; i) humidity; j) supply voltage variations and interruptions. If a single fault (in GB/T 19436.1- under normal operating conditions (see GB/T 19436.1-2004 in 5.1.2.1) appears GB 19436.3-2008/IEC 61496-3.2001 2004 specified in Appendix B), will not cause the loss of AOPDDR detection capability; but if the combination occurs when the above conditions will result in the ability to detect funeral Loss, we should put this together with a combination of the fault together as a single fault conditions, and for such a single fault AOPDDR should make as 4.2.2.4 the desired reaction. Note. the reference target scanning technology can be used to meet the requirements related to component aging, can also be used to give the same level of assurance other technologies. 4.2.12.2 detection and tolerance zone The supplier shall define the tolerance zone. Predetermined tolerance zone, the supplier shall consider the worst conditions, for example, should include full consideration to this Part Effect portion, and any additional influence (environmental impact, component failure, etc.) for the rear side of the predetermined S/N ratio and the standard deviation σ. Tolerance zone with the system interference, measurement error, measurement criteria, etc. depending on the value. But also to ensure the detection range in the detection zone is necessary. Fig. 1a) and 1b) of the detection zone, for example. Throughout the detection zone, the test piece (see 4.2.13) to minimize the probability of detection 1 ~ 2.9 × 10-7 is detected. In order to achieve the minimum detection The probability of tolerance zone to be attached to the detection zone (see Appendix BB in FIG BB.2). Note 1. The probability of detection is used in this part of the measurement accuracy of the decision, regardless of the probability of failure. Note 2. Pay special attention when AOPDDR detection zone by more than one transmitting and/or receiving units, to ensure that these transmitting and/or receiving unit, as the Nakano detection capability between the detection zone is not limited. The detection zone and the tolerance interval limits should be measuring the midpoint of the distribution of values, reflectivity test piece used for the measurement should be equal to or between "black" Between the specimen and the "white" test block. Reflectance supplier shall declare the test piece used and calculations. This requirement is met by checking supplier declaration verification. Note 3. The value of the tolerance zone and ranging accuracy is not necessarily constant, for example, it can be a function of the distance measurement. Note 4. If AOPDDR automatic setting means its detection zone, in determining the tolerance zone should be considered when setting ranging error value (see A.11). Note 5. Appendix BB gives additional information on the relationship between ranging accuracy and detection probability. 4.2.12.3 Scanning geometry, scanning frequency and response time The supplier shall define the scope and parameters including the scanning angle, including the relevant detection zone. Scanning geometry and/or scanning frequency should be fully guaranteed The minimum detectable object size of the diameter of the test block certificate provisions, the maximum range of the detection area can be detected. For only in 50mm ~ The minimum value of a predetermined object size AOPDDR detectable within a range of 100mm. The minimum detectable size from the line of sight of the object Off may be. Note 1. The minimum detectable object size limits within the range of 50mm ~ 100mm, is based on the current application. For the detection capabilities beyond the scope of this The AOPDDR may require additional requirements. Or stationary object in the detection zone at a speed of not more than 1.6m/s motion minimum detectable size, response time should be within the prescribed ESPE to be detected. Response time should be for the consideration determined under worst-case conditions, especially for scanning frequency and object movement. As for When the party AOPDDR provisions can be used to detect movement speed is greater than 1.6m/s object, at any speed, including the maximum speed of its provisions Degree, these requirements should be met. Note 2. The detection capability can be determined AOPDDR optical geometry to the specific design, a whole bundle of light shines in the maximum range of the detection zone and the tolerance zone Test block. If this is the case, the distance between adjacent light-emitting center between the two beams (except bunch of first beam and last) will not exceed half of the test piece straight path. For other designs, it will be difficult to achieve by 5.2.1.2 and 5.......
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