Manual
Accessories (overview)
Safety modules
SM301
9
414
EDS94SPP101 EN 7.1
Technical data
Themoduleandthesafeoutputmustbesuppliedwith24Vfromsafelyseparatedpower
supply units. To maintain electrical isolations, separate voltage supplies are required.
Detailed features of the 24-V supply
Terminal Specification [Unit] min. typ. max.
+, -
Supply voltage of the module via a safely separated
power supply unit (SELV/PELV)
[V] 19.2 24 30
Input current [mA] 350
24O, GO
Supply voltage of the safe output via a safely
separated power supply unit (SELV/PELV)
[V] 18 24 30
Input current [mA] 1100
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 c onnection (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 c onnection (PROFIsafe V2)