Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 49)

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]
4-31
4.3 Safety functions
4 Function Description
Timing diagram
Fig. 4-13: Safety function SBC
 t
1
: Activation of safety function STO and SBC
 t
2
: End of safety function SBC
 SS1 Activate: Input for safety function SS1
 SS1 SIL3/Reset: Input for SIL3 and reset
 Ready: Output for operating status of the safety card
 STO Acknowledge: Output for feedback from safety function STO
 SBC+: Brake control output
4.3.9 Safe brake test - SBT
Safe brake test - SBT 4- Sicherheitsfunktion_SBT_Ueber
The safety function "safe brake test" (SBT) is used to test the external
(holding brake) plus the internal brake (motor brake).
Features of the safety function:
 The servo amplifier receives a command to control the motor brake
from the safety card, via the internal interface.
 An external mechanical brake is controlled via the 2-pole output
"SBC+/SBC-" on the safety card.
Sicherheitsfunktion_Sxx_Ueberwach
v, IB
t
SS1 Activate
1
0
STO Acknowledge
1
0
SS1 SIL3/Reset
1
0
SBC
Ready
1
0
IB(t)
v(t)
SBC+/SBC-
1
0
t1 t2