Lenze i950 - Basic Safety - STO

Basic Safety - STO
Basic Safety - STO is part of the product version i95AExxxF1A.
DANGER!
With the "Safe torque o" (S
TO) funcon, no “emergency‑stop" can be executed according to
EN 60204−1 without addional measures. There is no electrical isolaon between the motor
and inverter and no service switch or maintenance switch!
Possible consequences: Death or severe injuries
▶
"Emergency stop" requires electrical isolaon, e. g. via 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.
The following parameter is entered into the logbook. 4Sa
fe torque o (STO) ^ 116
Informaon on electric
al installaon
Funconal safety
Basic Safety - STO
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