Lenze E94AYAE SM301 - Manual (Page 6)

Safety engineering
Basics
Terms and abbreviations of the safety engineering
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6 EDS94AYAE EN 7.0
1.1.3 Terms and abbreviations of the safety engineering
Abbreviation Meaning
9400 Lenze servo controller
Cat. Category according to EN 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
Optocoupler
supply Optocoupler supply for the driver control
PELV Protective extra low voltage
SELV Safety extra low voltage
OFF state Signal status of the safety sensor technology when it is released or responding
ON state Signal status of the safety sensor technology in normal operation
PM PN−switched signal paths
PP PP−switched 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
SLI Safely limited increment
SOS Safe operating stop
SS1 Safe stop 1
SS2 Safe stop 2
SSM Safe speed monitor
STO Safe torque off
Formerly: safe standstill
SMS Safe maximum speed
SDI Safe direction
SSE Safe stop emergency
ES Safe enable switch
OMS Operation mode selector
AIE Error acknowledgement (Acknowledge In Error)
AIS Restart acknowledgement (Acknowledge In Stop)