190. Safety-related part of the control system: The safety-related part of a control system must be designed, manufactured and installed in accordance with trade practice such as ISO Standard 13849, Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design, and IEC Standard 62061, Safety of machinery - Functional safety of electrical, electronic and programmable electronic control systems.
It must, among other things, withstand the stresses to which it is subjected to prevent any situation that may create risks for worker safety, in particular following the failure of the control system’s hardware or software, an error affecting system logic, or a reasonably foreseeable human error during operation.
O.C. 885-2001, s. 190; 1112-2023O.C. 1112-2023, s. 31.