Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 40)

4.3 Safety functions
4 Function Description
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]
4-22
Sicherheitsfunktion_SLS_S1_mT_Diagramm
Timing diagram with tolerance range activated
Fig. 4-7: Safety function SLS with tolerance range activated
Sicherheitsfunktion_Legende_SLS_TolBerecih  Tolerance amount as % of the speed limit value
Sicherheitsfunktion_Legende_SLS  t
a
: Activation of safety function SLS
 t
e
: Once the SLS 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
 t
2
: Tolerance period
Sicherheitsfunktion_Legende_SLS_S1  SS1 Activate: Input for safety function SS1
 SS1 SIL3/Reset: Input for SIL3 and reset
 SLS Activate: Input for safety function SLS
 Ready: Output for operating status of the safety card
v
t
SS1 SIL3/Reset
1
0
1
0
Speed
limit value +
1
0
1
0
1
0
SS1 Activate
Ready
STO Acknowledge
1
0
SRA Acknowledge
SLS Activate
SLS delay time
ta te
SLS
t1 t1
t2
Speed
limit value -
Tolerance amount
Tolerance amount
ts