Lenze SM100 E94AYAB - Terms and Abbreviations

Safety engineering
Basics
Terms and abbreviations of the safety engineering
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EDS94AYAB EN 2.1
1.1.3 Terms and abbreviations of the safety engineering
Abbreviation Meaning
9400 Lenze servo controller
Cat. Category according to ISO 13849−1 (formerly EN 954−1)
OSSD Output Signal Switching Device, tested signal output
PS PROFIsafe
PWM Pulse width modulation
SD−In Safe input (Safe Digital Input)
SD−Out Safe output (Safe Digital Output)
SIL Safety Integrity Level according to IEC 61508
SM Safety Module
Opto supply Optocoupler supply for the driver control
PELV Protective extra low voltage
SELV Safety extra low voltage
OFF state Signal state of the safety sensor technology when it is released or responding
ON state Signal state of the safety sensor technology in normal operation
PM P/N switching signal paths
PP P/P switching signal paths
GSE File containing device−specific data to establish PROFIBUS communication
GSDML File containing device−specific data to establish PROFINET communication
S−Bus Safety bus
Abbreviation Safety function
SLS Safely limited speed
SOS Safe operating stop
SS1 Safe stop 1
SS2 Safe stop 2
SSM Safe speed monitor
STO Safe torque off
Formerly: safe standstill
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