Lenze SO30 8400 protec - Manual (Page 15)

Safety option 10
Operating mode
Safety status
3
l
15 EDS84DPSO01 EN 2.1
3.1.3 Safety status
When the controller is disconnected from the safety unit, the "Safe torque off" (STO) status
is set (C00155 bit 10 = 1).
3.1.4 Fail−safe status
When internal errors of the safety unit are detected, the motor is safely switched to
torqueless operation (fail−safe status).