Pilz PMCprotego S1 Operating Manual page 37

4 Function Description
4.3 Safety functions
Timing diagram
s, v
Tolerance window
Standstill position
Limit value
Standstill detection
1
SS1 Activate
0
1
SS1 SIL3/Reset
0
1
SOS Activate
0
1
Ready
0
1
STO Acknowledge
0
1
SOS Acknowledge
0
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 (t)
v (t)
t 1
SOS delay time
SOS
t 2
t
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