This is the web edition of the original ‎⮫ AC500-S safety user manual, version 1.3.2. This web edition is provided for quick reference only. The original safety user manual must be used to meet functional safety application requirements.

Protection mechanisms are integrated in the safety CPU and in Automation Builder with safety features to prevent unintentional or unauthorized modifications to the safety system:

• A modification of the safety application program generates a new boot project CRC version number.

• The user must be logged in to the safety CPU to access its operating options.

• Requirements of safety and other relevant application standards regarding protection against manipulations must be observed. The authorization of employees and the necessary protection measures are the responsibility of the operator in charge.