Pilz PMCprimo DriveP.01/AA0/4/0/0/208-480VAC - Manual (Page 53)

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4-35
4.4 Operating mode of the servo amplifier
4 Function Description
4.4 Operating mode of the servo amplifier 4400 Operating mode of the servo amplifier 4- Funkt_Uebergaenge_Zustaende
Activation of safety functions SS1 and SS2 has repercussions on the
servo amplifier's operating mode:
SS1 when OPMODE = 0 ... 8
 The drive-activated safety function "safe stop 1" (SS1) behaves the
same in all of the servo amplifier's operating modes, as ultimately the
movement is not continued. The safety card must be reset to resume
operation.
 The status of the safety card (SS1 activated) is transmitted to the ser-
vo amplifier. As a result, the information is available to a higher level
control system (status word).
 The transfer of setpoint values from external servo amplifier interfaces
(bus system or analogue input) is disabled.
 The servo amplifier applies speed-controlled braking with the preset
braking ramp until standstill is achieved, and disables the servo am-
plifier's power element.
 When the set delay time has elapsed, the safety card activates the
safety function STO. The servo amplifier cannot be restarted.
 SS1 Activate: Input for safety function SS1
 STO Acknowledge: Output for feedback from safety function STO
 Setpoint value: Specification of setpoint values
 Enable: Servo amplifier's readiness for operation
Braking ramp
v
t t1
SS1 Activate
1
0
Setpoint value
1
0
STO delay time
Enable
1
0
STO
t2
STO Acknowledge
1
0
Any Braking ramp Any