Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 25)

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]
3-3
3.1 Intended use
3 Safety
3.1.5 Safety function STO
Safety function STO 3- ][Sicherheit_Bestimmung_STO
The safety function "safe torque off" (Safe Torque Off, STO) activates
the pulse disabler on the servo amplifier and removes the power to the
motor. It meets the requirements in accordance with EN 61800-5-2.
The inputs STO1-ENABLE and STO2-ENABLE meet the following re-
quirements:
` With single-channel activation without feedback, in accordance with
EN ISO 13849-1: PL d (Cat. 2) and EN/IEC 62061: SIL CL 2.
` With dual-channel activation with feedback, in accordance with
EN ISO 13849-1: PL e (Cat. 4) and EN/IEC 62061: SIL CL 3.
The safety card PMCprotego S1 or PMCprotego S2 can also be used to
trigger the safety function STO.
The STO1-ENABLE input on the servo amplifier has no function if the
servo amplifier contains a safety card. In this case, the safety card acti-
vates the safe pulse disabler on the servo amplifier in order to shut down
the power element.
The safety function "safe torque off" corresponds to a category 0 stop
(uncontrolled stop) in accordance with EN 60204-1.
The safety function STO may not be used when the drive is to be
stopped for the following reasons:
` Cleaning, maintenance and repair work, or long interruptions in oper-
ation: Remove the voltage and secure the entire plant (main switch).
` E-STOP: Switch off the mains contactor (E-STOP pushbutton).
][STO_Gefahr
NOTICE
With dual-channel activation of the inputs STO1-ENABLE and
STO2-ENABLE, the safe pulse disabler must be tested periodi-
cally to ensure it switches safely. See section 4.3.3, entitled
"Safety function STO".
DANGER!
Threat to life from suspended loads!
On motors without brakes, moving parts present a threat to life.
When the start interlock is operated, the motor provides no
torque.
Use an additional mechanical measure to block the drives safely
(e.g. with the motor holding brake).