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

Function description
Operating Manual PMCprotego S1­2(­C)
1002528­EN­02 49
Timing diagram with the brake signal from the servo amplifier connected
Servo amplifier
ENABLE
Servo amplifier
BR+/BR-
STO / STO SIL3
A B C D E
∆SS1
-
Fig.: Safety function SBC
Legend:
} State of the holding brake connected to the safety card during phases A … E:
– A: Brake vented
– B: Brake engaged (due to DISABLE on the servo amplifier)
– C: Brake vented
– D: Brake engaged (due to STO on the safety card)
– E: Brake engaged (due to DISABLE on the servo amplifier)
} Servo amplifier ENABLE: ENABLE signal on the servo amplifier
} Servo amplifier BR+/BR­: Brake on the servo amplifier
} SS1 Activate: Input for safety function SS1
} SS1 SIL3/Reset: Input for SIL3 and reset
} STO / STO SIL3: Internal shutdown route STO and second shutdown route STO SIL3
} STO Acknowledge: Output for feedback from safety function STO
} SBC+/SBC­: Brake control output
} ∆SS1: SS1 delay time