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GB/T 35850.2-2019: Programmable electronic systems in safety-related applications for lifts (elevators), escalators and moving walks -- Part 2: Escalators and moving walks (PESSRAE)
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Programmable electronic systems in safety-related applications for lifts (elevators), escalators and moving walks -- Part 2: Escalators and moving walks (PESSRAE)
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GB/T 35850.2-2019
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Basic data | Standard ID | GB/T 35850.2-2019 (GB/T35850.2-2019) | | Description (Translated English) | Programmable electronic systems in safety-related applications for lifts (elevators), escalators and moving walks -- Part 2: Escalators and moving walks (PESSRAE) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q78 | | Classification of International Standard | 91.140.90 | | Word Count Estimation | 22,229 | | Date of Issue | 2019-10-18 | | Date of Implementation | 2020-05-01 | | Quoted Standard | GB/T 20438.1-2017; GB/T 20438.2; GB/T 20438.3; GB/T 20438.4; GB/T 20438.5; GB/T 24808; GB 28526 | | Adopted Standard | ISO 8102-6-2019, MOD | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard applies when programmable electronic systems are used to perform the electrical safety functions of escalators and moving walks and when PESSRAE is applied to the escalator and moving walk safety functions defined in the Escalator and Moving Walk Specifications, Standards. 1.2 This standard also applies to new or different PESSRAEs described in this standard. o1.3 If the electrical safety device complies with all the requirements of this standard and other relevant standards, it is not necessary to consider the possibility of its failure. 1.4 This International Standard: a) uses a Safety Integrity Level (SIL) to specify the target failure amount to achieve a safety function with PESSRAE; b) specifies a requirement to achieve the safety integrity of a function, but does not specify the implementation and maintenance of the requirement | GB/T 35850.2-2019: Programmable electronic systems in safety-related applications for lifts (elevators), escalators and moving walks -- Part 2: Escalators and moving walks (PESSRAE)
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Programmable electronic systems in safety-related applications for lifts(elevators), escalators and moving walks--Part 2. Escalators and moving walks (PESSRAE)
ICS 91.140.90
Q78
National Standards of People's Republic of China
Elevators, escalators and moving walkways
Application of safety-related programmable electronic systems
Part 2. Escalators and moving walkways
(PESSRAE)
Part 2. Escalatorsandmovingwalks(PESSRAE)
[ISO 8102-6.2019, Electricalrequirementsforlifts,escalatorsandmovingwalks-
Part 6. Programmableelectronicsystemsinsafety-relatedapplicationsfor
2019-10-18 released 2020-05-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
Introduction V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Requirements 5
Appendix A (informative) Example 11 of risk reduction decision table
Appendix B (informative) Specifications and standards applicable to escalators and moving walkways 12
Appendix C (Normative) Techniques and measures to achieve, validate and maintain SIL compliance 13
Reference 15
Foreword
GB/T 35850 "Application of programmable electronic systems related to elevators, escalators and moving walkways" is intended to be composed of the following three parts.
composition.
--- Part 1. Elevator (PESSRAL);
--- Part 2. Escalators and moving walkways (PESSRAE);
--- Part 3. Life cycle guidelines (technical reports) for programmable electronic systems related to PESSRAL and PESSRAE.
This part is the second part of GB/T 35850.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This section uses the redrafting method to modify the electrical requirements of ISO 8102-6.2019 "Elevators, escalators and moving walkways"
Part. Application of programmable electronic systems related to escalator and moving walkway safety (PESSRAE).
This section has the following adjustments in structure compared to ISO 8102-6.2019.
--- ISO 2102-6.2019 of the second paragraph of 1.3 corresponds to 1.4 of this part, and adjust the number of the subsequent chapter of Chapter 1;
--- Appendix 8 of ISO 8102-6.2019 corresponds to Appendix C of this part;
--- Appendix B of ISO 8102-6.2019 corresponds to Appendix A of this part.
The technical differences between this part and ISO 8102-6.2019 and their reasons are as follows.
--- In 1.4, added "a decision table that provides a reduced risk of applying PESSRAE";
---About the normative reference documents, this part has made technical adjustments to adapt to China's technical conditions, adjustments
The situation is reflected in Chapter 2, “Regulatory Citations”, and the specific adjustments are as follows.
● Replace IEC 61508-2 with GB/T 20438.2 equivalent to the international standard;
● Replace IEC 61508-3 with GB/T 20438.3 equivalent to the international standard;
● Replace IEC 61508-4 with GB/T 20438.4 equivalent to the international standard;
● Replace IEC 61508-5 with GB/T 20438.5 equivalent to the international standard;
● Removed ISO 22200;
● Added GB/T 24808;
● Replace IEC 62061 with GB 28526 equivalent to the international standard;
--- In order to better correspond to Table 6 in GB 16899-2011 and related content in EN115-1.2017, this part has been
Modified below.
● In Table 1, the 17th, 19th, 20th, 21st, and 23rd items in ISO 8102-6.2019 are deleted.
Item 24, in order to be consistent with GB 16899-2011 and EN115-1.2017;
● In Table 1, items 20 and 21 have been added to be consistent with EN115-1.2017;
● In Table 1, the name of the sixth safety function in ISO 8102-6.2019 is modified, and the first item and the second item are modified.
Functional description of the safety functions of item, item 4, item 6, item 7, item 11, and item 12, in order to comply with relevant national standards
be consistent;
● In Table 2, items 17, 19, 20, 21, and 23 of ISO 8102-6.2019 are deleted.
Item 24, in order to be consistent with Table 1;
● In Table 2, items 20 and 21 have been added to be consistent with Table 1;
● In Table 2, the name of the sixth security function in ISO 8102-6.2019 is modified to be consistent with Table 1.
● In Table 2, the safety corresponding to “Check that the additional brake is not released” in the safety function column of the escalator and moving walkway
In the status request column, "Turn off the drive main unit and the working brake power supply" is changed from non-SIL related to SIL related to
The relevant standards are consistent;
● In the security status requirement column of Table 2, the SIL-related "blocking other maintenance control devices" is deleted.
"moved", deleted the non-SIL related "cut off the drive host and work brake power supply" "sound alarm", in order to
Quasi-consistent;
● In Table 2, the safety status requirements of items 3, 5, and 14 have been added with “manual reset” to comply with relevant standards.
Consistent
● In Table 2, the contents of the R comments have been modified to be consistent with the relevant standards.
This section also makes the following editorial changes compared to ISO 8102-6.2019.
---Modified the name of this section to be consistent with the series standard GB/T 35850.1-2018;
--- In Table 1, the 26th item in Table 1 of ISO 8102-6.2019 was changed to a table note to correspond to Table 2;
--- Adjusted the serial number of the escalator and moving walkway safety functions in Tables 1 and 2, and the serial number of the R notes in Table 2,
Easy to apply;
--- Added informative Appendix B;
--- Removed some of the references.
This part is proposed and managed by the National Elevator Standardization Technical Committee (SAC/TC196).
This section drafted by. Shanghai Xinshida Electric Co., Ltd., Shanghai Special Equipment Supervision and Inspection Technology Research Institute, China Construction
Science Research Institute Co., Ltd. Construction Mechanization Research Branch, Schindler (China) Elevator Co., Ltd., Shanghai Mitsubishi Elevator Co., Ltd., Tongli Electric
Ladder Co., Ltd., Otis Electrical and Mechanical Elevator Co., Ltd., Otis Elevator (China) Co., Ltd., Guangdong Special Equipment Inspection and Research Institute, Suzhou
Jiangnan Jiajie Elevator Co., Ltd., Kangli Elevator Co., Ltd., China Software Testing Center, Hitachi Elevator (Guangzhou) Escalator Co., Ltd.
Division, ThyssenKrupp Escalator (China) Co., Ltd., Toshiba Elevator (China) Co., Ltd., Yongda Elevator Equipment (China) Co., Ltd., Jiangsu Province
Special Equipment Safety Supervision and Inspection Institute Suzhou Branch, Suzhou Huichuan Technology Co., Ltd., Suzhou Dior Elevator Co., Ltd., Guangzhou Guangri Electric
Ladder Industry Co., Ltd., Lingwang Elevator Co., Ltd., Giant KONE Elevator Co., Ltd., Southeast Elevator Co., Ltd., Kunshan Tongyou Electric
Ladder Co., Ltd., Suzhou Rhine Elevator Co., Ltd., Guangdong Haoyu Electronic Technology Co., Ltd., Senhe Elevator Co., Ltd., Ning
Bo Lilong Mechanical and Electrical Co., Ltd.
The main drafters of this section. Sun Entao, Chen Manwen, Xue Jiai, Chen Fengwang, Sha Jianhong, Gao Gan, Zhang Fangdong, Wen Aimin, Guo Huajia, Huang Shaolun,
Zhao Bitao, Meng Qingdong, Guo Yongzhen, Li Wei, Huang Chengjian, Zhang Zhigao, Zhou Genfu, Li Jiefeng, Sun Qiang, Tang Linzhong, Xu Lei, Liu Xiangmin, Hu Ping, Ding Jianxin,
Wang Mingfu, Zhang Fengbo, Ma Feihui, Li Ren, Peng Nianjun.
Introduction
In recent years, systems containing electrical and electronic components have been used to perform safety functions in many fields. Computer-based system, generally
Classified as a programmable electronic system (PE system), it is increasingly used in many areas to perform safety functions. Safe and effective
The key to using computer system technology is that decision makers need to have sufficient guidance when making security decisions. In most cases, security
It is done by multiple protection systems that rely on multi-domain technologies such as mechanical, hydraulic, pneumatic, electrical, electronic, programmable electronics, and more. Therefore
What security policy should consider not only all components in a stand-alone system (such as sensors, control devices, and actuators), but also all uses
To form the safety-related components of a complete safety-related system.
This section describes programmable electronic components and programmable electronic systems for performing escalator and moving walkway safety functions.
The specific requirements of the system consisting of (PE systems). The purpose of this section is to control the safety of escalators and moving walkways.
The technical consistency, performance requirements and rationality of the subsystem (PESSRAE) are specified.
Risk analysis, terminology and technical solutions mainly refer to the GB/T 20438 series of standards. For each safety function in Table 1
The risk analysis determines the classification of the electrical safety functions of PESSRAE. Tables 1 and 2 give each electrical safety function separately
Safety integrity levels and functional requirements.
Elevators, escalators and moving walkways
Application of safety-related programmable electronic systems
Part 2. Escalators and moving walkways
(PESSRAE)
1 Scope
1.1 This part of GB/T 35850 applies when programmable electronic systems are used to perform escalator and moving walkway electrical safety functions.
As well as the Escalator and moving walkway specifications, the escalators and moving walkway safety functions defined in the standard apply PESSRAE.
1.2 This section also applies to new or different PESSRAEs that differ from those described in this section.
1.3 If the electrical safety device complies with all the requirements of this part and other relevant standards, it is not necessary to consider the possibility of failure.
1.4 This section.
a) The use of a Safety Integrity Level (SIL) to specify the target failure amount for implementing safety functions with PESSRAE;
b) specifies the requirements for achieving the safety integrity of a function, but does not specify the responsible entity that implements and maintains the requirement (eg.
Meter, manufacturer, supplier or owner, etc.);
c) programmable electronic systems (PE systems) for escalators and moving walkways, in line with escalators and moving walkways
Minimum requirements for standards (eg GB 16899, etc.);
d) clarify the relationship with GB/T 20438 and GB/T 24808;
e) illustrates the relationship between escalator and moving walkway safety functions and their safety status conditions;
f) Stages and activities applicable to software and hardware design, but not including stages and activities after design (eg procurement and manufacturing);
g) Require the PESSRAE manufacturer to provide instructions for the assembly, connection, commissioning and maintenance of the escalator and moving walkway
The organization details how to maintain the integrity of PESSRAE;
h) specifies requirements related to hardware and software safety confirmation;
i) a safety integrity level is specified for specific escalator and moving walkway safety functions;
j) specifies the technologies and measures required to achieve a specific safety integrity level;
k) providing a risk reduction decision table applying PESSRAE;
l) The required PESSRAE maximum safety integrity level is SIL3 and the minimum safety integrity level is SIL1.
1.5 This section does not contain.
a) Hazards arising from the PE system itself, such as electric shocks.
b) The concept of fail-safe. Failure safety may be valuable in situations where the failure mode is well defined and the complexity is relatively low.
Because the PESSRAE in this section is very complex, the fail-safe concept is not suitable here.
c) other relevant requirements necessary for the complete use of PESSRAE in escalator and moving walkway safety functions, such as.
Integration specifications, temperature and humidity, mechanical structure, switches, actuators, sensor installation and identification.
d) Foreseeable misoperations involving security threats caused by malicious or unauthorized actions. Need to consider a security threat analysis
This section can be used if a specific SIL is re-evaluated.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
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