Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 43)

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]
4-25
4.3 Safety functions
4 Function Description
 SSR Activate: Input for safety function SLS
 Ready: Output for operating status of the safety card
 STO Acknowledge: Output for feedback from safety function STO
 SRA Acknowledge: Output for monitoring the limit value on the motor
Sicherheitsfunktion_SSR_S1_mT_Diagramm
Timing diagram with tolerance range activated
Fig. 4-9: Safety function SSR with tolerance range activated
Sicherheitsfunktion_Legende_SSR_TolBerecih  Tolerance amount as % of the two limit values, maximum and mini-
mum speed
Sicherheitsfunktion_Legende_SSR  t
a
: Activation of safety function SSR
 t
e
: Once the SSR delay time has elapsed, the speed is monitored
Sicherheitsfunktion_Legende_ts_t1_t2  t
s
: Speed v exceeds the limit value and activates the tolerance range
(tolerance amount, tolerance time, tolerance period)
 t
1
: Tolerance time
v
t
SS1 SIL3/Reset
1
0
1
0
Limit value
for maximum speed
1
0
1
0
1
0
SS1 Activate
Ready
STO Acknowledge
1
0
SRA Acknowledge
SSR Activate
SSR delay time
ta te
SSR
t1 t1
t2
Limit value
for minimum speed
Tolerance amount
Tolerance amount
ts
SSR