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Safety Standards & Compliance in Robotics Flashcards

7 cards from real FANUC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Safety Standards & Compliance in Robotics flashcards as text

  1. In the context of FANUC robot safety, what does 'T1 mode' limit regarding maximum TCP speed?

    Answer: 250 mm/s

    T1 (teach mode 1) limits maximum TCP speed to 250 mm/s regardless of programmed speed, ensuring slow motion during manual operation inside the safeguarded space.

  2. According to RIA TR R15.306, a task-based risk assessment for robotic systems must evaluate severity of harm based on which factors?

    Answer: Severity of injury, probability of occurrence, and possibility of avoiding the hazard

    Risk assessment per RIA TR R15.306 evaluates three factors: severity of potential injury, probability (likelihood) of occurrence, and the possibility of avoiding or limiting the harm.

  3. A safety light curtain is classified as which type of safeguard under ANSI/RIA R15.06?

    Answer: Presence-sensing device (PSD)

    Light curtains are electro-sensitive protective equipment (ESPE) classified as presence-sensing devices (PSDs) that detect intrusion into the safeguarded space.

  4. Which FANUC safety function uses a camera or zone sensor to slow the robot as a human approaches, without requiring a full stop?

    Answer: Collaborative Robot Safety (CRS) with PSD input

    Collaborative Robot Safety (CRS) with presence-sensing device input implements speed and separation monitoring, reducing robot speed proportionally as the human enters inner zones.

  5. What does IEC 62061 SIL 2 certification for a safety function indicate about the probability of dangerous failure on demand (PFDavg)?

    Answer: Between 10⁻⁵ and 10⁻⁴

    SIL 2 per IEC 62061 corresponds to a PFDavg range of ≥10⁻⁵ to <10⁻⁴, representing a high degree of reliability for safety-related control functions.

  6. Under OSHA 29 CFR 1910.147 (Lockout/Tagout), when must lockout procedures be used instead of tagout for FANUC robot maintenance?

    Answer: When the energy isolating device is capable of being locked out

    OSHA 1910.147 requires lockout (not tagout) whenever the energy isolating device is capable of being locked; tagout is only permitted when lockout is physically impossible.

  7. Which ISO standard specifically addresses safety requirements for industrial robots working collaboratively with humans (cobots)?

    Answer: ISO/TS 15066

    ISO/TS 15066 is the technical specification that defines safety requirements and guidance for collaborative robot systems, supplementing ISO 10218-1 and 10218-2.

Safety Standards & Compliance in Robotics Flashcards — FANUC Study Cards with Answers