Overheating; Unsafe Operating States - Siemens SIMATIC S7-1500 System Manual

Safety information
2.9 Residual risks
2.9.4

Overheating

Smoke development and fire due to overheating of the device and lines lead to burns and
life-threatening injuries (death).
To avoid overheating:
• Ensure the correct installation position.
• Ensure sufficient air supply (for example, do not mask or cover ventilation slots, maintain
mounting clearances).
• Only use undamaged cables.
Installation and connection
• Follow the instructions for the mounting position.
• Adhere to the specified ventilation clearances.
• Fuse the connecting cables according to the cable cross-section.
Maintenance
• Check plug-in connections and cables regularly for damage.
2.9.5

Unsafe operating states

Unsafe operating states may result in personal injury of unknown extent.
The following factors can be triggers:
• Manipulation of the software, e.g. viruses, trojans or worms.
Manipulation of the software, e.g. viruses, trojans or worms.
• Adhere to the protective measures against tampering with the software (see section
Industrial cybersecurity (Page 35)).
• Perform available updates in a timely manner.
• Protect files stored on removable media from malware with appropriate protective
measures, e.g. virus scanner.
• Set up access protection for the CPU.
24
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF