The document covers any powered industrial truck designed to move automatically without relying on fixed mechanical guidance rails. This explicitly embraces: and "bots"

Built-in sensors, braking systems, software safety, and factory testing. Integrator / User

Mapping the facility, defining zones, calculating stopping distances based on floor friction, and operator training. The Path to Achieving Compliance Implementing the standard requires a structured framework:

If you need to access the full text of the standard, you can download ISO 3691-4:2019 PDF from the ISO website or other reputable sources.