Iec 60073 Pdf 🆕 Trusted

No. Clause 5.2 explicitly reserves red for emergency and normal stop. Using blue would violate the standard.

When visual is insufficient (noisy environment, operator not looking), sounds provide coded meaning: iec 60073 pdf

| Sound Type | Meaning | |------------|---------| | Continuous steady tone | General attention (e.g., start-up warning) | | Intermittent (beep, 1 Hz) | Normal confirmation (e.g., keypress) | | Fast intermittent (2+ Hz) | Urgent warning, approaching danger | | Wailing / rising pitch | Emergency evacuation or critical fault | | Chime / pleasant tone | Success, normal completion | If you find a PDF labeled "IEC 60073:1996,"

Safety note: Auditory codes must be distinct from background noise and from other alarms (e.g., fire vs. machine fault). Actor: Sarah, an Automation Engineer

The most current version is IEC 60073:2002, which superseded older editions from 1996 and 1991. The 2002 revision introduced several key updates:

If you find a PDF labeled "IEC 60073:1996," note that it is obsolete and should not be used for new designs or compliance audits.

Actor: Sarah, an Automation Engineer. Goal: Design the control panel for a conveyor belt system.