Siemens Sinamics G120 Function Manual page 179
Safety integrated
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Delay time
The SBR function only starts after an adjustable time. To begin with, the inverter monitors the
speed setpoint that applied when SS1 was selected.
Braking
The inverter brakes the motor with the OFF3 ramp-down time.
Shutdown speed
The inverter safely switches off the motor torque using the STO function if the speed has
reached the shutdown speed.
Parameter
p9501.00
p9506
p9546
p9560
p9581
p9582
p9583
r9722.1
r9714
r9723.16
p1135
p1226
p1227
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
Description
Enable safety functions
1 signal: Enable extended functions.
0 signal: Disable extended functions.
Function specification: (Factory setting: 1)
1:
With braking ramp monitoring
3:
With acceleration monitoring
SSM speed limit (factory setting: 20 rpm)
Only relevant to the SS1 function if p9560 = 0.
Pulse cancellation shutdown speed (factory setting: 10 rpm)
Shutdown speed
Brake ramp reference value (factory setting: 1500 rpm)
Reference speed for SBR
Brake ramp delay time (factory setting: 250 ms)
Brake ramp monitoring time (factory setting: 10 s)
Status signals
1 signal: SS1 active
Speed diagnostics [rpm]
[0] Load-side speed actual value
Electrical speed of the motor. For induction motors, the mechanical speed is ob‐
tained from the electrical speed and slip.
[1] Actual SAM/SBR speed limit
1 signal: SAM/SBR active
OFF3 ramp-down time
Standstill detection, speed threshold (Fac‐
tory setting: 20 rpm)
Standstill detection monitoring time (Value
depends on the power unit)
Commissioning
5.12 Setting extended functions
The inverter switches off the motor torque
if the speed either fulfills the condition for
standstill detection or the shutdown
speed p9569 has been reached.
179
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