Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 51)

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]
4-33
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