Safely Limited Speed (Sls); Overview - Siemens SINAMICS G120 Function Manual

Operation

6.6 Safely Limited Speed (SLS)

6.6 Safely Limited Speed (SLS)
6.6.1

Overview

What can you find in this Chapter?
The relevant operating cases for the SLS function are described in this chapter.
Table 6- 5
Selecting and deselecting SLS
Switching over SLS levels when
SLS is active
Discrepancy in the input signal
Limit value violation
Table 6- 6
SLS is not active If SLS is not active, then there are no restrictions for switching on and switching
SLS is active
188
Response of the SLS function when the motor is switched on (ON/OFF1 = 1)
Switching the motor on and off when SLS is active or not active
Switching on the motor (ON/OFF1 =
0 → 1)
off the motor.
If your application requires that SLS
always remains active, then you must
take into account several special issues
when switching on the motor.
→ Switching on the motor when SLS is
active (Page 201).
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
→ Selecting and deselecting SLS when the motor is switched
on (Page 189)
Switching over from a higher SLS level to a lower SLS level
(and vice versa).
→ Switching over SLS levels (Page 195)
The safety input to select SLS identifies an error.
→ Response to a discrepancy when SLS is active (Page 202)
The speed of the motor exceeds the set SLS limit value.
→ Limit value violation when SLS is active (Page 204)
The drive response depends on the
signal that you use to switch off the
motor.
→ Switching off the motor when SLS is
active (Page 199)
Function Manual, 04/2014, FW V4.7, A5E34261271B AA
Switching off the motor (ON/OFF1,
OFF2 or OFF3 = 1 → 0)