Fault responses

The occurring faults of the safety option are divided into 6 fault classes. Depending on the fault class, the fault response described in the following table is carried out:

Fault class

Fault response

FS message

Entry in fault memory, no further response

FS warning

Entry in fault memory, no further response

FS output fault, FS input fault, FS encoder fault

Entry in fault memory and safe state of digital inputs and outputs as applicable

FS system fault

Entry in fault memory and safe state of digital inputs and outputs

FS critical fault

Entry in fault memory and safe state of digital inputs and outputs, no safe communication

FS data fault of internal memory

The data fault is triggered by faulty data in the RAM and results in a processor restart.