Activating Sto; Deactivating Sto - Pilz Intern PMC SR6 Manual

Commissioning
8.2

Activating STO

In order to activate the STO safety function, the activation signals of the STO
be switched off or interrupted. The power unit of the drive controller cannot generate a rotating
magnetic field after reaction time t
[ 14]).
Before the drive controller can be enabled again, both the STO
for at least 100 ms.
8.3

Deactivating STO

In order to deactivate the STO safety function, the STO
500 ms with 24 V
If the safety function is deactivated, the drive controller power unit on the motor can generate the
necessary torque for active motion.
Manual PMC SR6 safety module
1005344-en-US-01
Intern
and the motor is free of torque (also see the chapter
2
DANGER!
Risk of fatal injury due to gravity-loaded vertical axes or motor coasting!
The drive controller in the motor cannot generate torque when the STO safety
function is active. As a result, the gravity-loaded vertical axes fall. If the motor is
moving when STO is activated, it will coast uncontrolled.
▪ Secure gravity-loaded vertical axes by braking or taking similar actions.
▪ Make sure that the motor coasting does not create any hazards.
.
DC
and STO
a
and STO inputs must be deactivated
a b
and STO inputs must be actuated within
a b
inputs must
b
System times
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