19.10 Safely Limited Increment (SLI)
With this funcon, a maximum permissible posion change [incr] can be set.
Within the posion window, the increments parameterised can be traversed in posive and
negave
direcons. There is no me limit for execung this funcon. If the increment limits
parameterised are exceeded, an error stop is iniated.
WARNING!
A safety-rated encoder system must be used.
Without an enc
oder, this safety funcon cannot be used.
▶
Apply a safety-rated encoder system to use this funcon.
Funconal
descripon
Fig. 72: SLI funcon
A Triggering of the funcon
B Monitoring acve
C Error status
If the drive exceeds the increment parameterised in 0x28CA:001 (normal operaon) or
0x28CA:003 (special operaon), the stop funcon set in 0x28CA:002 is e
xcecuted.
Acvaon of the funcon
The
funcon cannot be acvated if the drive is in Safe Operang Stop (SOS).
The
funcon can be acvated during operaon.
The funcon is acvated
•
via the sa
fety bus. For this purpose, a data telegram is sent to the inverter, see safety bus.
•
as a funcon of the operang mode changeover (OMS) by
acvaon of the special opera-
on, Operaon mode selector (OMS). ^ 410
•
by the OFF state on a safe input. For the OFF state, a funcon is parameterised. See safe
inputs.
Safety
funcons
Safely Limited Increment (SLI)
394