ISO 13849 is a globally recognized safety standard that offers recommendations for creating and integrating safety-related control systems in machinery. Emphasizing risk evaluation, safety functions, and validation, ISO 13849 is essential for safeguarding the well-being of operators and users.

Key Principles of ISO 13849

1. Risk Assessment

ISO 13849 emphasizes the significance of performing a comprehensive risk assessment to recognize possible hazards linked to machinery. This process enables manufacturers to grasp the risks at hand and apply suitable safety precautions accordingly.

2. Safety Functions

The standard highlights the importance of defining safety functions according to the recognized risks. These safety functions are intended to avoid or lessen hazards and lower the risk to a satisfactory level.

3. Performance Levels (PL)

ISO 13849 introduces Performance Levels as a way to classify safety functions according to their reliability and effectiveness. This enables manufacturers to establish the necessary performance level for each safety function by assessing the identified risks.

4. Validation and Verification

In order to guarantee that safety-related control systems achieve the necessary Performance Levels, ISO 13849 underlines the importance of validation and verification procedures. Manufacturers are obligated to validate the design through testing and analyzing safety functions, confirm the components utilized, and record the outcomes.

ISO 12100: Safety of Machinery — General Principles for Design

ISO 12100 establishes fundamental guidelines for machinery design, encompassing risk assessment, risk mitigation strategies, and protective measures. It serves as a cornerstone for ISO 13849.

ISO 13850: Emergency Stop Function

ISO 13850 outlines the criteria for emergency stop functions on machinery. It offers instructions on designing and installing emergency stop mechanisms to guarantee they are easily reachable and can promptly halt the machinery in emergencies.

ISO 13851: Two-Hand Control Devices

ISO 13851 covers the design and application of two-hand control devices that necessitate operators to use both hands to start a potentially dangerous operation. These devices enhance safety measures by averting inadvertent activation of machinery.

ISO 13855: Positioning of Safeguarding Devices

ISO 13855 provides guidelines for the positioning and distance of safeguarding devices, such as light curtains and safety fences, to ensure effective protection of operators.

ISO 13849 and its related standards play a crucial role in ensuring the safety for machinery. By adhering to ISO 13849 and complementing it with standards such as ISO 12100, ISO 13850, ISO 13851, and ISO 13855, manufacturers can effectively optimize their safety control systems to minimize risks.

Emrah Demirezen — Metal Forming Expert & Press Designer
info@demirezenengineering.com