Lenze i750 - Basic Safety - STO

Basic Safety - STO
Basic Safety - STO is part of the i75AExxxFxA product variant.
NOTICE
Overvoltage
Des
trucon of the safety component
▶
Make sure that the maximum voltage (maximum rated) at the safe inputs does not exceed
30 V DC.
DANGER!
With the "Safe torque o" (S
TO) funcon, no "emergency switching o" in terms with
EN 60204‑1 can be executed without addional measures. There is no electrical isolaon
between the motor and inverter and no service switch or maintenance switch!
Possible consequence: Death or severe injuries
▶
"Emergency switching o" requires electrical isolaon, e. g. by a central mains contactor.
Safe state
When the pulse width modulaon of the in
verter is switched o by the safety equipment, the
motor is rendered free of torque. The inverter switches to the device state "STO acve".
4Sa
fe torque o (STO) ^ 118
Electrical ins
tallaon
Funconal safety
Basic Safety - STO
73