Terms and abbreviations of the safety engineering, Safety engineering – Lenze ELCAMZIxxx4SNNPSNN (LCU122) User Manual
Page 105
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Safety engineering
Basics
Terms and abbreviations of the safety engineering
7
105
EDSLCMX3024-SPS EN 5.0
7.1.3
Terms and abbreviations of the safety engineering
Abbreviation
Meaning
9400
Lenze servo controller
EC_S0
Error-Class Stop 0
EC_S1
Error-Class Stop 1
EC_S2
Error-Class Stop 2
EC_FS
Error-Class Fail-Safe
Cat.
Category according to EN 954-1
OSSD
Output Signal Switching Device, tested signal output
PS
PROFIsafe
PWM
Pulse width modulation
S-DI
Safe input (Safe Digital Input)
S-DO
Safe output (Safe Digital Output)
SIL
Safety Integrity Level according to IEC 61508
SM
Safety module
Optocoupler
supply
Supply of optocouplers to control the driver
OFF state
Signal state of the sensors when they are activated or respond
ON state
Signal state of the sensors in normal operation
Abbreviation
Safety function
SDI
Safe direction
SLI
Safely limited increment
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