Glossary
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Safety over EtherCAT®
Safety over EtherCAT® is a registered trademark
and patented technology, licensed by Beckhoff
Automation GmbH, Germany.
SBC
Safe brake control
SDLC
Safe Door Lock Control
SELV
Safe protective extra-low voltage (unearthed;
<60V).
SinCos
Incremental encoder with sinusoidal signals.
SLA
Safely-limited acceleration
SLS
Safely-limited speed
SMS
Safe maximum speed
SS1-r
Safe Stop 1 ramp monitored (with deceleration
ramp monitoring; STO (Safe torque off) is as-
sumed after reaching the idle position.
SS1-t
Safe Stop 1 time controlledSTO (Safe torque off)
is assumed after the deceleration time has
elapsed.
SSI
Synchronous serial interface for encoder
SSM
Safe speed monitor
STO
Safe torque off