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JIS 原案の作成

ドキュメント内 はじめに (ページ 63-196)

本年度は,JIS原案として 2件の作成を実施した。しかしながら,まだ作成作業中であり来 年度にその作業を継続するため,現時点での報告事項は省略する。

表4-14 ISO/TC199国際規格と JISの対応表(発行済のみ)

国際規格 対応JIS

規格番号 規格名称 規格番号 規格名称

1 ISO Guide 78:2012

(Ed1)

Safety of machinery - Rules for drafting and presentation of safety standards

2 ISO11161:2007

Ed2

Safety of machinery - Safety of integrated manufacturing systems of industrial automation systems - Basic requirements

なし

3 ISO11161:2007/AMD1:2010 同上

4 ISO12100:2010

(Ed1)

Safety of machinery - General principles for design - Risk assessment and risk reduction

JIS B 9700:2013 機 械 類 の 安 全 性

― 設 計 の た め の 一 般 原 則 ― リ ス ク ア セ ス メ ン ト 及びリスク低減 5 ISO13849-1:2006

Ed2

Safety of machinery - Safety-related parts of control systems - Part 1:General principles for design

JIS B 9705-1:2011 機 械 類 の 安 全 性

― 制 御 シ ス テ ム の 安 全 関 連 部 ― 1部:設計のた めの一般原則

6 ISO 13849-1:2006/Cor 1:2009 同上

7 ISO13849-2:2012

(Ed2)

Safety of machinery - Safety-related parts of control systems - Part 2:Validation

なし

*JIS 原案作成作業

機 械 類 の 安 全 性

― 制 御 シ ス テ ム の安全関連部―第 2部:妥当性確認 8 ISO13850:2006

(Ed2)

Safety of machinery - Emergency stop - Principles for design

JIS B 9703:2000 機 械 類 の 安 全 性

― 非 常 停 止 ― 設 計原則

9 ISO13851:2002

(Ed1)

Safety of machinery - Two hand control devices - Functional aspects and design principles

JIS B 9712:2006 機 械 類 の 安 全 性

― 両 手 操 作 制 御 装 置 ― 機 能 的 側 面及び設計原則 10 ISO13854:1996

(Ed1)

Safety of machinery - Minimum gaps to avoid crushing of parts of the human body

JIS B 9711:2002 機 械 類 の 安 全 性

― 人 体 部 位 が 押 し つ ぶ さ れ る こ

- 59 -

国際規格 対応JIS

規格番号 規格名称 規格番号 規格名称

と を 回 避 す る た めの最小隙間 11 ISO13855:2010

Ed2

Safety of machinery - Positioning of protective equipment with respect to the approach speeds of parts of the human body

JIS B 9715:2013 機 械 類 の 安 全 性

― 人 体 の 接 近 速 度 に 基 づ く 安 全 防護物位置決め 12 ISO13856-1:2013

(Ed2)

Safety of machinery - Pressure-sensitive

protective devices - Part1:General principles for design and testing of pressure-sensitive mats and pressure-sensitive floors

JIS B 9717-1:2011 機 械 類 の 安 全 性

― 圧 力 検 知 保 護 装置―第1部:圧 力 検 知 マ ッ ト 及 び 圧 力 検 知 フ ロ ア の 設 計 及 び 試 験 の た め の 一 般 原則

13 ISO13856-2:2013

(Ed2)

Safety of machinery - Pressure-sensitive

protective devices - Part2:General principles for the design and testing of pressure sensitive edges and pressure sensitive bars

14 ISO13856-3:2013

Ed2

Safety of machinery - Pressure-sensitive

protective devices - Part3:General principles for the design and

testing of pressure-sensitive bumpers,

plates, wires and similar devices

15 ISO13857:2008

(Ed1)

Safety of machinery - Safety distances to prevent danger zones being reached by the upper limbs and the lower limbs

JIS B 9718:2013 機 械 類 の 安 全 性

― 危 険 区 域 に 上 肢 及 び 下 肢 が 到 達 す る こ と を 防 止 す る た め の 安 全距離

16 ISO14118:2000

Ed1

Safety of machinery - Unexpected start-up

JIS B 9714:2006 機 械 類 の 安 全 性

― 予 期 し な い 起 動の防止

17 ISO14119:2013

(Ed1)

Safety of machinery - Interlocking devices associated with guard - Principles for design and selection

JIS B 9710:2006

*第2版対応JIS 案作成作業中。

機 械 類 の 安 全 性

― ガ ー ド イ ン タ ー ロ ッ ク 装 置 ― 設 計 及 び 選 択 の た め の 一 般 要 求 事項

18 ISO14120:2002

(Ed1)

Safety of machinery – Guards - General requirements for the design and construction of fixed and movable guards

JIS B 9716:2006 機 械 類 の 安 全 性

― ガ ー ド ― 固 定 式 及 び 可 動 式 ガ ー ド の 設 計 及 び 製 作 の た め の 一 般要求事項 19 ISO/TR14121-2:2012

Ed1

Safety of machinery - Risk assessment - Part2Practical guidance and examples of methods

作成中止 機 械 類 の 安 全 性

― リ ス ク ア セ ス メ ン ト ― 実 践 ガ イ ド 及 び 方 法 の

- 60 -

国際規格 対応 JIS

番 号

規格番号 規格名称 規格番号 規格名称

20 ISO14122-1:2001

(Ed1)

Safety of machinery - Permanent means of access to machinery-Part1:Choice of a fixed means of access between two levels

JIS B 9713-1:2004 機 械 類 の 安 全 性

― 機 械 類 へ の 常 設接近手段―第1 部:高低差のある 2箇所間の昇降設 備の選択

21 ISO14122-1:2001/AMD1:2010 同上

22 ISO14122-2:2001

(Ed1)

Safety of machinery - Permanent means of access to machinery-Part2:Working platforms and walkways

JIS B 9713-2:2004 機 械 類 の 安 全 性

― 機 械 類 へ の 常 設接近手段―第2 部:作業用プラッ ト フ ォ ー ム 及 び 通路

23 ISO14122-2:2001/AMD1:2010 同上

24 ISO14122-3:2001

(Ed1)

Safety of machinery - Permanent means of access to machinery - Part3:Sairs,stepladders and guard-rails

JIS B 9713-3:2004 機 械 類 の 安 全 性

― 機 械 類 へ の 常 設接近手段―第3 部:階段,段ばし ご及び防護さく

25 ISO14122-3:2001/AMD1:2010 同上

26 ISO14122-4:2004

(Ed1)

Safety of machinery - Permanent means of access to machinery - Part4:Fixed ladders

JIS B 9713-4:2004 機 械 類 の 安 全 性

― 機 械 類 へ の 常 設接近手段―第4 部:固定はしご

27 ISO14122-4:2004/AMD1:2010 同上

28 ISO14123-1:1998

(Ed1)

Safety of machinery - Reduction of risks to health from hazardous substances emitted by machinery - Part

1:Principles and specifications for machinery

manufacturers

JIS B 9709-1:2001 機 械 類 の 安 全 性

- 機 械 類 か ら 放 出 さ れ る 危 険 物 質 に よ る 健 康 へ の リ ス ク の 低 減

―第1部:機械類 製 造 者 の た め の 原則及び仕様 29 ISO14123-2:1998

Ed1

Safety of machinery - Reduction of risks to health from hazardous substances emitted by machinery - Part2: Methodology leading to verification procedures

JIS B 9709-2:2001 機 械 類 の 安 全 性

- 機 械 類 か ら 放 出 さ れ る 危 険 物 質 に よ る 健 康 へ の リ ス ク の 低 減

―第2部:検証手 順 に 関 す る 方 法

30 ISO14159:2002

Ed1

Safety of machinery - hygiene requirements for the design of machinery

機 械 類 の 安 全 性

- 機 械 類 設 計 の た め の 衛 生 面 の 要求事項

31 ISO/ TR18569:2004

Ed1

Safety of machinery - Guideline to their understanding and use of safety of machinery standards

予定なし

32 ISO19353:2005

Ed1

Safety of machinery - Fire prevention and protection

予定なし

33 ISO21469:2006

Ed1

Safety of machinery - Lubricants with incidental

未検討

- 61 -

国際規格 対応 JIS

番 号

規格番号 規格名称 規格番号 規格名称

product contact - Hygiene requirements

34 ISO/TR22100-2:2013 Safety of machinery - Relationship with ISO 12100 - Part 2: How ISO 12100 relates to ISO 13849-1

35 ISO/TR23849:2010 Guidance on the application of ISO 13849-1 and IEC 62061 in the design of safety-related control systems for machinery

同上

36 ISO29042-1:2008

Ed1

Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 1:

Selection of test method

同上

37 ISO29042-2:2009

(Ed1)

Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 2: Tracer gas method for the measurement of the emission rate of a given pollutant

同上

38 ISO29042-3:2009

(Ed1)

Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 3: Test bench method for the measurement of the emission rate of a given pollutant

同上

39 ISO29042-4:2009

(Ed1)

Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 4: Tracer method for the measurement of the capture efficiency of an exhaust system

同上

40 ISO29042-5:2010

(Ed1)

Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 5: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with unducted outlet

同上

41 ISO29042-6:2010

Ed1

Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 6: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with ducted outlet

同上

42 ISO29042-7:2010

(Ed1)

Safety of machinery - Evaluation of the emission of airborne hazardous

同上

- 62 -

国際規格 対応 JIS

番 号

規格番号 規格名称 規格番号 規格名称

substances - Part 7: Test bench method for the measurement of the pollutant concentration parameter

43 ISO29042-8:2011

Ed1

Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 8: Room method for measurement of the pollutant concentration parameter

同上

44 ISO29042-9:2011

(Ed1)

Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 9:

Decontamination index

同上

- 63 - おわりに

本年度は,国際規格については11件(DIS,NWIP,SR,CIB)の国際規格等の審議を実施 した。改訂作業については,ISO13850,ISO14122,ISO19353などに加えて,新規作業項 目として,ISO12100とタイプB規格を結ぶBridge documentであるISO/TR22100-1や人 間工学要求事項を安全規格に導入するためのガイドである ISO/TR22100-3 などの作成作業 を実施した。

JIS原案の作成については,昨年度からJIS B 9710原案の改訂作業,及びJIS B 9705-2新 規作成作業を実施し,前者については審議を終了したが,後者については,次年度も作業を 続けることとなっている。

上述の規格審議に加えてさらに特筆すべきこととして,本年度は 4 月の冒頭に第 17 回

ISO/TC199国際会議が初めて日本で開催され,海外から多くの出席者を受け入れることがで

き,また日本からもオブザーバ参加を含め多数の出席者を得ることができたことは喜ばしい 限りであった。

来年度は,国際規格審議については本年度の作業を継続し,また新規・改訂作業として使用 上の情報やISO14118(予期しない起動の防止)の作業も追加されることとなる。

さらに,本年度新たに ISO/TC199 内に設置されたスタディグループ(ヒューマン‐マシン インタラクションのためのセーフティデータ)の調査研究が本格的に始まることが予想され,

このスタディグループの日本開催が予定されている。

委員の皆様には,来年度におかれましてもこれらの活動にご協力お願いする次第です。

- 64 -

付録1 ISO/TR24119,Safety of machinery – Evaluation of fault masking in serial connections of guard interlocking devices with potential-free contacts

付録2 ISO/TS19873,Safety of machinery – trapped key interlocking devices – Principles for design and selection

付録3 ISO/TR22100-3,Safety of machinery-Relationship with ISO12100-Part3 : Implementation of ergonomic principles in Safety Standards

付録4 ISO/TC199総会議事次第 付録5 ISO/TC199総会議事概要

65

ISO/DTR 24119

© ISO 2014 – All rights reserved i

ISO/TC 199

Date:

2014-01 ISO/DTR 24119

ISO/TC 199 /WG 7 Secretariat: DIN

Safety of machinery — Evaluation of fault masking serial connection of guard interlocking devices with potential free contacts

Warning

This document is not an ISO International Standard. It is distributed for review and comment. It is subject to change without notice and may not be referred to as an International Standard.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to provide supporting documentation.

Copyright notice

This ISO document is a working draft or committee draft and is copyright-protected by ISO. While the reproduction of working drafts or committee drafts in any form for use by participants in the ISO standards development process is permitted without prior permission from ISO, neither this document nor any extract from it may be reproduced, stored or transmitted in any form for any other purpose without prior written permission from ISO.

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[Indicate the full address, telephone number, fax number, telex number, and electronic mail address, as appropriate, of the Copyright Manager of the ISO member body responsible for the secretariat of the TC or SC within the framework of which the working document has been prepared.]

Reproduction for sales purposes may be subject to royalty payments or a licensing agreement.

Violators may be prosecuted.

ISO/DTR 24119

ii © ISO 2014 – All rights reserved

ISO/DTR 24119

© ISO 2014 – All rights reserved iii

Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.

In exceptional circumstances, when a technical committee has collected data of a different kind from that which is normally published as an International Standard (“state of the art”, for example), it may decide by a simple majority vote of its participating members to publish a Technical Report. A Technical Report is entirely informative in nature and does not have to be reviewed until the data it provides are considered to be no longer valid or useful.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO/TR 24119 was prepared by Technical Committee ISO/TC 199, Safety of machinery.

© ISO 2014 – All rights reserved - 1 -

ISO/DTR 24119

- 2 - © ISO 2014 – All rights reserved

© ISO 2014 – All rights reserved

ISO/DTR 24119

- 3 - A Manual reset function device

B Logic unit

C1, C2, C3 Interlocking devices with potential free contacts

D Electrical cabinet

A Manual reset function device

B Logic unit

C1, C2, C3 Interlocking devices with potential free contacts

D Electrical cabinet

Key

Figure 2 — Branch (trunk) cabling 3.8

loop cabling

cabling structure where a single cable from the electric cabinet is wired to the first interlocking device and from this interlocking devices to the next, and so on, until the last interlocking device while the signals return to the electric cabinet in a separate cable (see Figure 3)

Key

Figure 3 — Loop cabling 3.9

single arrangement

application of two different contacts of a single interlocking device in the redundant channels of an interlocking circuit for a single guard interlocking

Note to entry: Figure 4 shows a single arrangement.

ISO/DTR 24119

- 4 - Key

A Manual reset function device

B Logic unit

C1, C2, C3 Interlocking devices with potential free contacts

Figure 4 — Single arrangement 3.10

redundant arrangement

application of single contacts of two (redundant) interlocking devices in the redundant channels of an interlocking circuit for a single guard interlocking

Note to entry: Figure 5 shows a redundant arrangement.

Key

A Manual reset function device

B Logic unit

C1, C2, C3 Interlocking devices with potential free contacts

Figure 5 — Redundant arrangement 3.11

protected cabling

cabling which is permanently connected (fixed) and protected against external damage, e. g. by cable ducting, armoring, or within an electrical enclosure according IEC 60204-1

© ISO 2014 – All rights reserved

© ISO 2014 – All rights reserved

ISO/DTR 24119

- 5 -

4 Fault masking

4.1 Principle

A common approach in the design of safety related circuits is to series connect devices with potential free contacts e.g. multiple interlocking devices connected to a single safety logic controller which performs the diagnostics for the overall safety function. Although In such applications a single fault will in most cases not lead to the loss of the safety function and will be detected, in practise problems sometimes occur.

It is foreseeable that more than one movable guard will be open at the same time or in a sequence, e. g. due to subsequent fault finding procedure or as part of the regular operation of the machine.

Due to the serial connection of the contacts, faults in the wiring or contacts, detected by the logic unit may be masked by the operation of one of the other (non-faulty) in series connected devices. As a result the operation of the machine is possible while a single fault is present in the SRP/CS. This can in consequence allow the accumulation of faults leading to an unsafe system.

Figure 6 to Figure 8 show examples for fault masking in situations with movable guards with series connected devices.

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