Lenze i750 - Safe Maximum Speed (SMS)

Safe maximum speed (SMS)
This funcon monit
ors the set maximum speed of the motor.
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.
Funconal descripon
Nmax
t
0
SLS1
n
SMS
-Nmax
STO/SS1/SS2
Fig. 17: SMS funcon
This funcon monit
ors the set maximum speed of the motor: 0x28B0:001
If the speed of the drive is within the monitoring limits, the SMS observed status is output.
•
St
atus word: 0x2870:002 Bit 4
Acvaon of the funcon
0x28B0:001 > 0 rpm acv
ates the funcon.
Behavior of the funcon in the event of an error
If the monitoring limits are exceeded, an error message is output and a parameterizable error
stop is triggered.
Selecon of error stop: 0x28B0:002
Possible error stops:
4Sa
fe torque o (STO) ^ 118
4Safe stop 1 (SS1) ^ 121
4Sa
fe stop 2 (SS2) ^ 123
Funconal sa
fety
Safety funcons
Safe maximum speed (SMS)
127