19.7
Safe Maximum Speed (SMS)
The safety function monitors the compliance with the safe maximum motor speed set.
WARNING!
A safety-rated encoder system must be used.
Without an encoder, this safety function cannot be used.
▶
Apply a safety-rated encoder system to use this function.
Functional description
Nmax
t
0
SLS1
n
SMS
-Nmax
STO/SS1/SS2
Fig. 73: SMS function
Activation of the function
The function can only be activated via parameterisation.
The function is activated by a value > 0 in
.
Behaviour of the function in the event of an error
An error message is triggered if:
•
The speed exceeds the maximum speed Nmax set in
0x28B0:001
.
One of the error stops parameterised in
(0x28B0:002)
is initiated:
•
•
•
Parameter
Address
Name / setting range / [default setting]
Info
0x28B0:001
SMS: SMS: Maximum Speed Nmax
•
Read only: x rpm
0x28B0:002
SMS: SMS: Reaction (n>Nmax)
•
Read only
0 STO
1 SS1
2 SS2
0x28B1
SMS monitored: Output
•
Read only
0 Deactivated
1 SD-Out1 positive logic
2 SD-Out1 negative logic
Safety functions
Safe Maximum Speed (SMS)
411
Содержание i950 Series
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