Scenario 2: The absolute value of the load speed is higher than the setpoint speed limit.
Function
1. The inverter brakes the motor.
2. The inverter monitors the speed after the delay time has expired.
3. If you deselect SLS, then the motor accelerates again up to the speed setpoint.
6SHHG
6SHHGPRQLWRULQJ
*UHHQRQ
6/6DFWLYH
6$06%5DFWLYH
<HOORZRQ
<HOORZRQ
<HOORZIODVKHVVORZO\
%UDNLQJUDPSPRQLWRULQJ
GHOD\WLPH
'HVHOHFW6/6
212))
W
W
W
6/6
/('5'<
/('6$)(
6%5
Figure 6-25 Selecting and deselecting the SLS safety function at high speeds
Inverter signal
Parameter
Included in the PROFI‐
safe telegram
Can be interconnec‐
ted with
F-DI
F-DO
SLS active
r9722.4
✓
---
✓
Deselect SLS
r9720.4
✓
✓
---
SAM/SBR active
r9723.16
---
---
---
ON/OFF1
r0054.0
---
---
---
Operation
6.6 Safely Limited Speed (SLS)
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
257