Lenze E94AYAE SM301 - Manual (Page 51)

Lenze · SM301 safety module · Parameter setting & configuration · DMS 2.3 EN · 11/2013 · TD05
51
3 Safe configuration
3.9 Safety functions
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3.9.2.1 Safe maximum speed (SMS)
Safe Maximum Speed / SMS
Description
The safety module monitors the adjusted safe maximum speed of the motor.

The function can only be activated by parameter setting.
• See parameter "SMS: Maximum speed Nmax".
• The function must not be parameterised if "No encoder system" is set. The plausibility check
rejects such implausible settings until they have been parameterised correctly.
Function
Parameter  C15320 SMS: Max. speed Nmax
• A value > 0 activates the function, a value = 0 deactivates the function.
 C15321 SMS: Reaction (n>Nmax)
• Selection of the function to be executed ( STO , SS1 or SS2 ) if monitoring
responds.
C15350 SLS, SMS: Max. response time
• If in the event of an error the speed is still outside the limit values after
the response time has elapsed, STO is tripped immediately.
• Detailed information can be found in the chapter " Error analysis for the
functions SMS and SLS ". ( 53)
Activate How to activate the function:
• Set the parameter "SMS: Maximum speed Nmax" > 0.
Error behaviour If the speed exceeds the set maximum speed Nmax, an error message is generated and an error
stop is started with the function set in the parameter "SMS: Reaction (n>Nmax)" ( STO , SS1 or
SS2 ).
Nmax
t
0
SLS1 Œ
n
SMS
-Nmax
STO/SS1/SS2
