Safety engineering
Device modules
SM301 safety module
1
17
EDS94AYAE EN 6.0
1.2.3.1 Overview
Functions
ƒ Safe torque off (STO)
(formerly: Safe standstill, protection against unexpected start−up)
ƒ Safe stop 1 (SS1)
ƒ Safe stop 2 (SS2) − see SOS
ƒ Safe stop emergency (SSE)
ƒ Safe operational stop (SOS) − in accordance with EN 61800−5−2: SOS is designed with
speed monitoring
ƒ Safe maximum speed (SMS)
ƒ Safely limited speed 1 (SLS1)
ƒ Safe operation mode selector (OMS)
ƒ Safe enable switch (ES)
ƒ Safe speed monitor (SSM)
ƒ Safe monitor (output)
ƒ Connection of safety sensors
ƒ Safe parameterisation
ƒ Safety bus connection (PROFIsafe V1)
Additional functions from SM301 V1.1
ƒ Safely limited speed 2 (SLS2)
ƒ Safely limited speed 3 (SLS3)
ƒ Safely limited speed 4 (SLS4)
ƒ Safe cascading (CAS) via SD−In4/SD−Out1
ƒ Safety bus connection (PROFIsafe V2)
Additional functions from SM301 V1.2
ƒ Parameterisable response time of encoder monitoring
Additional functions from SM301 V1.3
ƒ Safe operational stop (SOS) − compliant with EN 61800−5−2: SOS is designed with
position monitoring
ƒ Safe direction (SDI)
ƒ Safe speed measurement and position detection with resolver using a motor
encoder and an additional position encoder (two−encoder−concept)
Additional functions as of SM301 V1.4
ƒ Safely limited increment (SLI)
ƒ Safely monitored brake ramp for SS1/SS2
ƒ Safe speed and position detection with resolver selected as the motor encoder
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