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Fail Safe

페일 세이프 [ Fail safe ] 페일 (fail)이란 영어에서 「실패」를 의미하지만, 이 경우에는 사람의 실패가 아니고 「기계가 잘 작동하지 않는 것」 결국 「고장」으로 한정해서 사용한다. 결국 페일 세이프란 「기계가 고장났을 경우, 그대로 폭주해서 사고, 재해로 연결되는 일이 없이 안전을 확보하는 기구」를 말한다. 이 경우의 안전확보란 보통 「운전을 정지하고 게다가. Fail safe. - 기계나 그 부품에 고장이나 기능불량이 생겨도 항상 안전하게 작동하는 구조와. - 그 기능 병렬계통이나 대기여분을 갖춰 항상 안전한 방향으로 유지되는 기능. . Fail safe의 원칙. - Redundancy system (중복시스템 설계) - Standby system (대기시스템 설계) - Error recovery (에러복구) 존재하지 않는 이미지입니다 Fail Safe의 말 그대로를 해석하면, 고장과 안전이다. 어떤 시스템이 고장난 경우에도 사람에게 해가 없어야 한다. (경우에 따라서는 재산적 가치를 피해로 보는 경우도 있다.) 일반적으로 Fail Safe는 크게 3가지로 구분할 수 있다. 1. Fail Passiv Fail safe는 인간 또는 기계의 과오나 동작상의 실수가 있어도 사고를 발생시키지 않도록 2중, 3중으로 통제를 가하는 것을 말한다. 기능적으로 Fail Passive, Fail Active, Fail Operational로 나눌 수 있다 Fail safe: Fool proof: Temper proof: 개념: 고장으로 사고 확대방지 (오동작 방지) 고장 자체를 방지 (오조작 방지) 안전장치 기능 제거할 경우 동작 안됨: 근원적 안전: 기계위주(오동작) 인간실수(오조작) 안전장치: 적용: 사고발생 5단계 중 4단계(사고발생) 3단

Fail Safe: 기계에 과오나 동작상의 실수가 있어도 안전사고를 발생시키지 않도록 2 중 또는 3 중으로 통제를 가하는 것 . 이러한 Fail safe를 일상생활에서 찾는 예시는 다음과 같아요! ex 1 Fail Safe(페일세이프; 안전도 증강 장치) 정의 고장이 발생한 경우라도 피해가 확대되지 않고 단순고장으로 마무리 되도록 하거나 항 상 안전을 유지할 수 있도록 하는 설계를 의미한다. 즉, 기계나 그 부품에 고장이나 기능불량이 생겨도 사고가 발생하지 않도록 2중, 3중의 통제를 가하는 안전대책을.

설계의 안전성 확보 방안은 다음과 같이 Fool Proof(오조작 방지)와 Fail Safe(안전도 증강) 2가지 종류가 있다. Fool Proof vs. Fail Safe 설계 원칙 모든 인간은 정상을 벗어나 실수(Human error)할 가능성이 크고 실제로 사고 발생의 주요 원인으로서 불안전한 행동 에 기인하는 것이 대부분이다 Fail safe. 인간의 실수로 시스템 일부가 고장이 발생해도 2 중,3 중의 안전조치를 하여 재해가 발생하지 않도록 일정기간 그 기능을 유지하여 안전을 확보하는 개념 . 예) 압력용기의 안전장치 - 크레인의 하중계 - 원자로의 다중보호장치 - 회로 배선, 부품의 이중 Fail Safe 는 시스템이나 기계장치의 이상이 있는 경우 이를 대체할 다른 수단을 강구하는 것이다. 달리 말하면 , 이중 안전장치 시스템이라고 할 수 있다 . 20 층에 사는 사람이 엘리베이터를 타기 위해서는 전원이 필수적으로 요구된다 fail-safe n noun: Refers to person, place, thing, quality, etc. (backup plan) 대안 : fail-safe adj adjective: Describes a noun or pronoun--for example, a tall girl, an interesting book, a big house. (equipped with a backup system) 백업 시스템을 갖춘 : 안전

Fail-Safe on Suomen finanssialan IT-osaamisen ytimessä syntynyt palvelualan yritys, jonka tekijät ovat avoimen lähdekoodin ammattilaisia. Tekijöis­tämme löytyy laaja kattaus osaajia kaikkiin tarpeisiin. Iältään tekijämme ovat 16-64 vuotta, eli talosta löytyy niin kokemusta, nuoruuden intoa kuin kaikkea siltä väliltä. Lue lisä 1. Fail Safe 기능 3단계: 1) Fail Passive, 자동감지 부품 고장 발생 시 기계 장치에 적용-정지 고장나면 에너지 소비를 정지 시킴 2) Fail Active, 자동제어 부품 고장 발생 시 경보장치 작동&단기간 운전 지속 3) Fail Operational, 차단 및 조 핵전략 사령부 Fail-Safe, 1964 미국 국방성의 전략 컨트롤 시스템의 고장으로 인해, 핵폭탄을 싣고 훈련 중이던 B-58 비행대가 비행한계선을 넘어 비행하게 된다. 갑자기 연락이 두절된 폭격기 조종사들은 새로운 명령을 받기 전에는 계속해서 비행하라는 최초의 명령을 수행해야 했으므로, 그들은. fail-safe 의미, 정의, fail-safe의 정의: 1. very unlikely to fail: 2. If something is fail-safe, it has been designed so that if one part. 자세히 알아보기 Fail Safe: Directed by Sidney Lumet. With Dan O'Herlihy, Walter Matthau, Frank Overton, Edward Binns. A technical malfunction sends American planes to Moscow to deliver a nuclear attack

Definition of fail-safe. (Entry 1 of 2) 1 : incorporating some feature for automatically counteracting the effect of an anticipated possible source of failure. 2 : being or relating to a safeguard that prevents continuing on a bombing mission according to a preconceived plan Fail Safe is a 1964 Cold War thriller film directed by Sidney Lumet, based on the 1962 novel of the same name by Eugene Burdick and Harvey Wheeler. It portrays a fictional account of a nuclear crisis

페일 세이프 [ Fail safe ] : 네이버 블로

  1. Pool proof 와 Fail safe 는 원래 시스템 안전공학을 바탕으로 기계 및 설비안전 에서 나온 말로, 이들 방안은 건축뿐만 아니라 산업설비, 자동차, 항공기 의 설계 등에도 채용된다
  2. Fail Safe 는 기계가 가질 수 있는 실패 또는 오작동의 문제점을 해결하려는데 초점이 있다. 기계는 언제든지 고장날 수 있기 때문에 주요 기계 및 부품들을 제 2 의 방법으로 대체할 수 있도록 설치하여 시스템의 필수적인 기능을 유지하는 것이 Fail Safe 의 목적이다
  3. Fail safe(페일세이프)란? 페일(fail)은 영어에서 실패를 의미하지만, 이 경우에는 사람의 실패가 아니고 기계가 잘 작동하지 않는 것 결국, 고장으로 한정해서 사용합니다. 결국 페일 세이프란 기계가 고장 났을 경우, 그대로 폭주해서 사고, 재해로 연결되는 일이 없이 안전을 확보하는 기구를 말합니다
  4. 하지만, 이것도 Fail-Safe N 방법처럼 얼만큼 변해야지 출판 비뚤림이 있다고 해야하는 기준은 없다. 일반적으로, 많이 쓰는 방법은 통합추정치가 10%정도 바뀌면 출판 비뚤림이 있다고 하는 것 같다. R을 이용하여, Fail-Safe N방법과 Trim-and-Fill 방법을 구현 해보자
  5. Define fail-safe. fail-safe synonyms, fail-safe pronunciation, fail-safe translation, English dictionary definition of fail-safe. or fail·safe adj. 1. Capable of compensating automatically and safely for a failure, as of a mechanism or power source. 2

Video: Fail Safe : 네이버 블로그 - Nave

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Fail safe system - 허접

  1. Fail Safe Locks. When looking at fail safe locks this means that it's default state is actually unlocked. To keep it locked during normal business operations, power is applied. Should the power be interrupted or fail, the door automatically unlocks or releases to let people out of the space
  2. fail-safe definition: 1. very unlikely to fail: 2. If something is fail-safe, it has been designed so that if one part. Learn more
  3. Oracle Fail Safe. Oracle Fail Safe (OFS)는 Microsoft Windows Failover Cluster (이전의 Microsoft Cluster Server MSCS)와. 함께 작동하여 사용자에게 고가용성(High Availability) 서비스를 더 쉽고 유연하게 제공해주는 Oracle Solution입니다. 두 개 이상의 Microsoft Windows System을 구성하여 Active 상태의 Node에 계획되지 않은 중단 및 장애가 발생하면 신속한 Failover 및 Restart 기능을 지원합니다
  4. Simply reliable: 특수 이동차량용 안전 (Fail-safe) 센서. 센서가 댐핑되는 즉시 안전 센서는 안전상태 로직 0이 됩니다. 타겟이 최종위치에만 요구되므로 설치 비용 및 시간이 단축됩니다. 유지보수가 필요 없는 지속적인 작동을 위한 포괄적인 자체 진단입니다. 거친.
  5. Fail Safe(장애 안전) 장애 발생 시 모든 기능을 허용하는 정책 스위치와 같은 네트워크 장비는 가용성을 더 중시하기 때문에 대부분 Fail Safe 정책을 따름 장애 발생 시 모든 트래픽을 허용한다는 의미로 'Fail.
  6. Critic Reviews for Fail Safe All Critics (5) | Fresh (5) Dreyfuss se sai particularmente bem nesta mais do que eficiente verso do material que deu origem ao timo filme de Lumet
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Where is Fail Safe & Fool Proof?? : 네이버 블로

  1. Fail Safe: Directed by Stephen Frears, Martin Pasetta. With Walter Cronkite, Richard Dreyfuss, Noah Wyle, Brian Dennehy. Cold War tensions climb to a fever pitch when a U.S. bomber is accidentally ordered to drop a nuclear warhead on Moscow
  2. Fail Safe 정의. 시스템이나 시스템을 구성하는 기기의 일부에 사고, 고장, 오조작 등이 생겼을 경우 그 피해가 확대된다든지 다른 데에 나쁜 영향을 미치지 않도록 하는 것입니다. 시스템을 2 개 이상의 서브시스템으로 구성하여 하나의 서브시스템에 장. 해가.
  3. fail-safe. ˈfail-safe adjective 1. T. a fail-safe machine, piece of equipment etc contains a system that makes the machine stop working if one part of it fails 2. EFFECTIVE. a fail-safe plan is certain to succeed 말뭉치의 용례 fail-safe • And the idiots had hooked the man's life support on to a wholly independent generator, the prison.
  4. 산업안전기사 암기비법84(Fail safe종류 와설명) 산업안전시험암기비법. 공식. {=badgeName} 2020.11.30. 11:15 711 읽음. 비밀글. 통계. 84.Fail safe 종류와. Fail Passive
  5. 현재 편 산업안전기사 암기비법51 (Fail safe 설명) 933 읽음 시리즈 번호 92. 이전 편 산업안전기사 암기비법84 (Fail safe종류 와설명) 703 읽음 시리즈 번호 91. 산업안전기사 암기비법95 (압력용기에 각인 하는내용) 767 읽
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Fail safe, Fool proof, temper proof - 산업재해예

현재 편 산업안전기사 암기비법51 (Fail safe 설명) 951 읽음 시리즈 번호 92. 이전 편 산업안전기사 암기비법84 (Fail safe종류 와설명) 722 읽음 시리즈 번호 91. 산업안전기사 암기비법95 (압력용기에 각인 하는내용) 775 읽 A fail-safe isn't designed to prevent failure but mitigates failure when it does occur. The following are examples. Elevators Elevators are typically designed with special brakes that are held back by the tension of the elevator's cable. If the cable snaps the loss of tension causes the brakes to be applied Fail Safe. A mode of termination of system functions that prevents damage. See fail secure and fail soft for comparison. To specified system resources and system entities (i.e., specified data, property, and life) when a failure occurs or is detected in the system (but the failure still might cause a security compromise) 'Load Fail-Safe Defaults'와 'Load Optimized Defaults'의 2가지를 선택할 수 있게 하는 경우가 많다. Load Fail-Safe Defaults는 부팅이 되지 않을 정도로 심각한 오작동을 일으킬 경우에 모든 바이오스 설정 값을 공장 출고 시와 동일하게 초기화한다

안전전문지식 Fail Safe와 Fool Proof에 대해!

fail safe or fail secure differs based on a project's requirements. Latch Retraction (EL) and Electromagnetic Locks . An electric latch retraction is a function on panic hardware or fire exit hardware that allows for latch retraction when power is applied; when there is no power, the latch is extended 1 Causing a piece of machinery to revert to a safe condition in the event of a breakdown or malfunction. 'Eyewear of the appropriate optical density is worn when using devices not equipped with fail-safe mechanisms.'. 'The Tangara trains are equipped with a number of fail-safe devices, including one known as a deadman's brake.'

근원적안전설계 (Fool proof, Fail safe) 및 양립성에 관하

Fool Proof vs. Fail Safe 설계 원

Fail Safe. This unnerving procedural thriller painstakingly details an all-too-plausible nightmare scenario in which a mechanical failure jams the United States military's chain of command and sends the country hurtling toward nuclear war with the Soviet Union. Working from a contemporary best seller, screenwriter Walter Bernstein and. Fail Safe, as opposed to it's contemporary Dr. Strangelove or: How I stopped Worrying and Loved the Bomb, takes a far more dramatic approach to a similar accidental Nuclear scenario. Top notch acting from Henry Fonda, who portrays the President who struggles to negotiate an acceptable alternative to all out Nuclear war after an accidental attack on the Soviet Union GIGA-4010-US. 기계 안전 유지용. 다음 표준에 대한 인증 획득: EN 60947-5-3, IEC 61508 및 ISO 13849. 전자 페일 세이프 센서용 특수 액추에이터 불필요. 안전한 ifm 릴레이에 직접 연결. 센서 직렬 연결 가능. 이용 가능한 가격이 없습니다. 당사 서비스 센터에 무료로. Something has gone wrong. A group of American bombers armed with nuclear weapons is streaking past the fail-safe point, beyond recall, and no one knows why. Their destination — Moscow. In a bomb shelter beneath the White House, the calm young president turns to his Russian translator and says, I think we are ready to talk to Premier Kruschchev. Not far away, in the War Room at the Pentagon.

안전설계 원리 : Fool proof와 Fail safe, Temper Proof 적용 및 차이

character string to specify the method to use for the calculation of the fail-safe N. Possible options are Rosenthal (the default), Orwin, or Rosenberg. See 'Details'. alpha: target alpha level to use for the Rosenthal and Rosenberg methods (the default is .05). target Fail-Safe is a 1964 film about a technical malfunction that sends American planes to Moscow to deliver a nuclear attack and the subsequent frantic attempt to avert all-out war.. Directed by Sidney Lumet.Written by Walter Bernstein and Peter George, based on the novel 'Fail-Safe' by Eugene Burdick and Harvey Wheeler 1 Introduction to Oracle Fail Safe. Increasingly, businesses expect products and services to be available 24 hours a day, 365 days a year. While no solution can ensure 100% availability, Oracle Fail Safe minimizes the downtime of Oracle Databases and other applications running on Microsoft clusters and configured with Microsoft Windows Failover Clusters Hiin our plant we are using CPU 6ES7-414-4HM14-0AB0 fail safe IO modules and normal IO modules.I wish to know what are the advantages of Fail safe IO without fail safe CPU. If I am using a field side proximity P & F and switching amplifier of S

소방시설에서의 Fail Safe와 Fool Proof의 적

For the Superman & Lois episode, see Fail Safe. I'd like to think it was your humanity that stayed your hand. —Rip assuring Sara that she hasn't lost her soul Fail-Safe is the fifth episode of the first season of DC's Legends of Tomorrow, and the fifth episode overall. It aired on February 18, 2016. 1 Synopsis 2 Cast 2.1 Starring 2.2 Special guest star 2.3 Guest starring 2.4 Co. Recalling the adrenaline-rush days of early TV drama, Fail Safe was staged and telecast live on April 9, 2000 in black-and-white, establishing an immediate sense of history unfolding. Historic, too, is the cast: Richard Dreyfuss, Brian Dennehy, Noah Wyle, Don Cheadle, Harvey Keitel, Hank Azaria and Sam Elliott. 冷战时期,一架美军轰炸. Fail-fast and Fail-safe in Java. Fail-fast and Fail-safe are the iterators or collections in Java.Java SE specification doesn't use the Fail-safe term. We use the Fail-safe to segregate between the Non-Fail-fast and Fail-fast iterators. The Fail-Fast system terminates the operation as-fast-as-possible that are exposing failures and stop the entire operation Columbia Pictures produced both this movie and Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb (1964). Director Stanley Kubrick insisted his movie be released first, and it was, in January 1964. When Fail-Safe was released, it garnered excellent reviews but audiences found it unintentionally funny because of ;Strangelove, and stayed away Definition of fail-safe written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels

fail-safe - WordReference 영-한 사

3.5. Summary. Fail Safe deals with the fallout of Edge's rampage in a typically human, small-scale way. This recap of Superman and Lois season 1, episode 13, Fail Safe, contains spoilers. Most superhero stories are about spectacle - nefarious villains, have-a-go heroes, and superpowered punch-ups that invariably destroy entire. Fail Safe is the seventeenth episode of the fifth season of Stargate SG-1. 1 Synopsis 2 Plot 3 Appearances 4 Notable quotes 5 Cast 6 Notes 7 Goofs 8 Other languages 9 Links and navigation An asteroid is on a collision course for Earth. The Asgard can't help, and the Tok'ra are hard to find, so.. For that reason, he asks General Lane to keep 7734 active as a fail safe. Steel: John Henry Irons finalizes his Steel suit with a homage to his daughter. Jon and John speak for a moment before Clark walks in to see Jon not in school. At the Cushing house, Lana discovers that Jordan and Sarah have been arrested フェイルセーフ(フェールセーフ、フェイルセイフ、英語: fail safe )とは、なんらかの装置・システムにおいて、誤操作・誤動作による障害が発生した場合、常に安全に制御すること。 またはそうなるような設計手法で信頼性設計のひとつ。 これは装置やシステムが『必ず故障する』という.

Fail-Saf

Fail-safe definition, pertaining to or noting a mechanism built into a system, as in an early warning system or a nuclear reactor, for insuring safety should the system fail to operate properly. See more The fail-safe modules of ET 200pro can be used to implement the safety-related application requirements as an integral part of the overall automation. The safety functions required for fail-safe operation are integrated in the modules. The modules can be used for safety circuits up to Cat. 4/ SIL 3.ext Fail-safe design was essentially an extension of the safe-life concept (it continues to be used today, but it is not a stand-alone design methodology in the USAF and in FAA Part 25 regulations for commercial transports). In these regulatory environments, fail-safe designs still need to meet damage tolerance requirements ① Fail Safe . ② Fool Proof. ③ Fast Evacuation. Fail Safe의 실패_철도신호의 오류. Fail Safe는 기계 설비 등이 고장나더라도 사고나 재해로 연결되지 않고 안전을 확보하는 기능을 말합니다. 즉, Fail Safe만 지켜지더도 재해로 이어지는 것을 막을 수 있다는 것입니다

안전설계기법의 개념, 종류 Fail Safe, Fool Proof

LIN fail-safe system basis chip 2.4 Fail-safe features n Safe and predictable behavior under all conditions n Programmable fail-safe coded window and time-out watchdog with on-chip oscillator, guaranteeing autonomous fail-safe system supervision n Fail-safe coded 16-bit SPI interface for the microcontrolle Fail Safe subtitles. AKA: Fail-Safe, Angriffsziel Moskau. It will have you sitting on the brink of eternity!. Because of a technical defect an American bomber team mistakenly orders the destruction of Moscow. The President of the United States has but little time to prevent an atomic catastrophe from occurring. Director Sidney Lumet gives an atmospheric vision of the future with a Cold War. Understanding LVDS Fail-Safe Circuits. Abstract: Low-voltage differential signaling (LVDS) is a widely used differential signaling technology for high-speed digital-signal interconnections. In many applications, the LVDS receiver needs a fail-safe function to avoid an uncertain output state when the input is connected improperly The Fail-Safe G12 LED combines architectural styling, strength, and energy-saving techology, and is available in 15, 20, 25, and 30 watt lumen packages. Also choose a photo control or motion sensor for control. Choose an emergency battery back to provide egress illumination. Injection molded polycarbonate lens obscures lamp image and spread

Fail Safe (The Criterion Collection) [Blu-ray] 4.8 out of 5 stars 167. Blu-ray. $19.99 $ 19. 99 $39.95 $39.95. Get it as soon as Mon, Jul 12. FREE Shipping on orders over $25 shipped by Amazon. DVD. $20.84 $ 20. 84 $29.95 $29.95. Get it as soon as Tue, Jul 13. FREE Shipping on orders over $25 shipped by Amazon. Only 1 left in stock. Summary Access Control Fail-Safe and Fail Secure. The answer to what type of electric lock you should use is determined by whether you require safety or security and, in many cases, the fire codes for your region. For more details, take a look at the article, Fail safe vs. fail secure: Why you should know the difference Fail-Safe. Quotes. President: Colonel Grady, this is the President. What you are flying has been caused by a mechanical failure. I order you and your men to fly back at once. Col. Grady: I am. Superman.and.Lois.S01E13.Fail.Safe.1080p.AMZN.WEBRip.DDP5.1.x264-NTb[ Fail-safe (englisch für versagenssicher oder ausfallsicher, zusammengesetzt aus fail, ‚ausfallen' und safe, ‚gefahrlos') bezeichnet jede Eigenschaft eines Systems, die im Fall eines Fehlers zu möglichst geringem Schaden führt. Bei einer Maschine oder Anlage werden systematisch Fehler unterstellt und danach versucht, die zugehörigen Auswirkungen so ungefährlich wie.

In de film Fail-Safe van Sidney Lumet uit 1964 wordt een onjuiste interpretatie van het begrip failsafe gebruikt. Zie ook. Foolproof; Hufterproof Deze pagina is voor het laatst bewerkt op 14 jul 2021 om 20:05. De tekst is beschikbaar onder de licentie Creative Commons Naamsvermelding/Gelijk delen, er. Fail-Safe serves as a reminder that, while nuclear tensions have diminished, there are still thousands of nuclear weapons in arsenals around the world. See Estimates by the Natural Resources Defense Council.Additionally, several nations who do not already have nuclear weapons are trying to build them Fail-safe controllers 5 Comparison: Previous solution versus new fail-safe solution Previous safety-related PLC solutions required two different PLCs, and for distributed solutions an additional safety bus. The new solution using SIMATIC Safety Integrated require

This standard establishes a practical, technical baseline of specific methodologies and tools for the development, implementation, and use of effective fail-safe mechanisms in autonomous and semi-autonomous systems. The standard includes (but is not limited to): clear procedures for measuring, testing, and certifying a system's ability to fail safely on a scale from weak to strong, and. • Fail-safe behavior 6.2 Fail-safe system controller The fail-safe system controller is the core of the UJA1065 and is supervised by a watchdog timer that is clocked directly by the dedicated on-chip oscillator. The system controller manages the register configuration and controls all internal functions of the SBC fail-safe systems came into use and have continued to develop and grow. However, the fact that electro-mechan ical fail-safe devices are very much inuse today, in the age of the integrated circuit, is evidence of the lack of acceptance to convert to, or rely on the electronic device for many fail-safe requirements. Today we have a level of fail.

Fail-safe PLC นั้นจะสามารถสังเกตง่ายๆว่าจะเป็น PLC ที่มีแถบเหลืองๆอยู่ (บางยี่ห้ออาจใช้เป็นสีแดง) ซึ่ง Fail-safe PLC นี้สามารถใช้ร่วมกับได้ทั้ง Signal Module แบบธรรมดา. Fail-Safe. 1. Exception. Any changes in the collection, such as adding, removing and updating collection during a thread are iterating collection then Fail fast throw concurrent modification exception. The fail-safe collection doesn't throw exception. 2. Type of collection. ArrayList and hashmap collection are the examples of fail-fast iterator About RS485 fail-safe function. I have three questions about the RS485 failsafe function. 1.Page 6 of the AN-960 RS-485 / RS-422 Circuit Implementation Guide describes the formula for determining the value of the pull-up and pull-down resistors in the Open Fail-Safe section. I think this resistance value is an equation to secure the noise. Its fail-safe component shuts off nitrous oxide if the oxygen flow is less than 200 mL/min, or if the oxygen fresh gas valve is closed. Audible and visible alarms sound if pipeline pressure is less than 1.38 + 0.27 bar (20 +4 psi) Fail Safe - Extended Cut (Ep.113) Original Air Date: 7.20.21. The Eradicator - Extended Cut (Ep.114) Original Air Date: 8.10.21. Last Sons of Krypton - Extended Cut (Ep.115) Original Air Date: 8.17.21. Superman & Lois: Legacy of Hope (Ep.101) Original Air Date: 2.23.21. EXTRAS (18) Season 1. Season 1. 16. Definition. The 'fail to safe' phase of contingency deals with the immediate and short term actions to be taken within the first 48 hours after any emergency. Objective. The priority of the 'fail to safe' phase is to ensure the safety of contingency operations in the immediate aftermath of an emergency and to lay the foundations for the service continuity and recovery phases