Siemens SIMATIC HMI series - Wiring of Safety-Related Operator Controls

Technical specifications
11.11 Interfaces of the connection box standard and connection box advanced
Mobile Panels 2nd Generation
250 Operating Instructions, 09/2018, A5E33876626-AC
11.11.4
Wiring of safety-related operator controls
Emergency stop/stop button
Connection box standard
The figure below shows the wiring of the emergency stop/stop button in the connection box
standard.