Pilz PMCprotego S1, Руководство по эксплуатации

Страница: 51 / 99

4-33
4.3 Safety functions
4 Function Description
Timing฀diagram
Fig.฀4-14: Safety฀function฀SBT

t
1
:฀Activation฀of฀safety฀function฀SBT,฀start฀of฀SBT฀delay฀time

t
2
:฀Start฀of฀brake฀test,฀brake฀engages฀

t
3
:฀Start฀of฀monitoring฀period,฀power฀is฀supplied฀to฀the฀motor

t
4
:฀End฀of฀monitoring฀period฀

t
5
:฀End฀of฀brake฀test

SS1฀Activate:฀Input฀for฀safety฀function฀SS1

SS1฀SIL3/Reset:฀Input฀for฀SIL3฀and฀reset

Ready:฀Output฀for฀operating฀status฀of฀the฀safety฀card฀

SBT฀Activate:฀Input฀for฀safety฀function฀SBT

SBT฀Acknowledge:฀Output฀for฀feedback฀from฀safety฀function฀SBT฀

STO฀Acknowledge:฀Output฀for฀feedback฀from฀safety฀function฀STO฀
v, IM
t
SS1 Activate
1
0
SOS Acknowledge
1
0
SS1 SIL3/Reset
1
0
SBT
Ready
1
0
IM(t)
v(t)
1
0
STO Acknowledge
1
0
SBT Acknowledge
SBT delay time
Delay time
Energisation
Monitoring
period
Delay time
Ventilation
t1 t2 t3 t4 t5
SBT Activate
1
0
SBC+/SBC-
1
0