Lenze i750 - Safely-Limited Increment (SLI)

Safely-limited increment (SLI)
This funcon monit
ors the amount of a maximum permissible posion change.
DANGER!
Uncontrolled r
otaon of the motor possible if no safety rated encoder system is used.
Possible consequence: Death or severe injuries
▶
Use a safety rated encoder system to use this funcon.
The funcon c
annot be acvated if the drive is in the "Safe operang stop
(SOS)" state.
Funconal descripon
tSLI active tSLI error
Incr.
Increment size
1
(A)
1
(B)
1
(C)
t
t
t
t
Fig. 20: SLI funcon
A Triggering the funcon
B Acv
e monitoring
C Error status
If the drive exceeds the parameterized maximum posion change, the set stop funcon is
triggered.
Sengs for normal operaon
•
Increment: 0x28CA:001
•
Stop funcon: 0x28CA:002
Acvaon of the funcon
•
Via the sa
fety bus. Safe network interfaces ^ 149
Behavior of the funcon in the e
vent of an error
If the monitoring limits are exceeded, an error message is output and a parameterizable error
stop is triggered.
Funconal sa
fety
Safety funcons
Safely-limited increment (SLI)
131