Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 37)

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]
4-19
4.3 Safety functions
4 Function Description
Timing diagram
Fig. 4-5: Safety function SOS
 t1: Activation of safety function SOS
 t2: Once the SOS delay time has elapsed, standstill position is moni-
tored
 SS1 Activate: Input for safety function SS1
 SS1 SIL3/Reset: Input for SIL3 and reset
 SOS-Activate: Input for safety function SOS
 Ready: Output for operating status of the safety card
 STO Acknowledge: Output for feedback from safety function STO
 SOS Acknowledge: Output for feedback from safety function SOS
s, v
t t1
SS1 SIL3/Reset
1
0
1
0
SOS delay time
Limit value
Standstill detection
v (t)
s (t)
Tolerance window
Standstill position
1
0
1
0
1
0
SS1 Activate
Ready
STO Acknowledge
SOS
1
0
SOS Acknowledge
SOS Activate
t2