Siemens SINAMICS G110M - EMERGENCY SWITCHING off and EMERGENCY STOP

8.15.1 EMERGENCY SWITCHING OFF and EMERGENCY STOP
Overview
In plants, systems and machines a distinction must be made between "EMERGENCY OFF" and
"EMERGENCY STOP". The STO safety function is only suitable for implementing an "EMERGENCY
STOP".
Function description
EN 60204‑1 de󹪝nes "EMERGENCY OFF" and "EMERGENCY STOP":
• "EMERGENCY OFF" and "EMERGENCY STOP" are functions that are used in an emergency.
• "EMERGENCY OFF" and "EMERGENCY STOP" minimize di󹪜erent risks in the system or
machine.
– "EMERGENCY OFF" minimizes the risk of electric shock.
– "EMERGENCY STOP" minimizes the risk of unexpected motion.
• Stop Categories 0, 1 and 2 are available for EMERGENCY STOP.
Action: EMERGENCY OFF EMERGENCY STOP
Stop Category 0 according to
EN 60204‑1
Risk:
Electric shock
Unexpected movement
Measure to minimize
risk:
Switch o󹪜 the power supply
Either completely or partially switch
o󹪜 hazardous voltages
Prevent movement
Prevent any hazardous movement
Advanced commissioning
8.15 Safe Torque O󹪜 (STO) safety function
Distributed converter for SIMOGEAR geared motors
244 Operating Instructions, 10/2020, FW V4.7 SP13, A5E31298649B AL