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8 Safety Function
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
8-2 STO Function via Safety Input Signals
8
8-2-3 Connection Example
This is a programming example in which the STO function of the 1S-series Servo Drive is operated
from the Safety Controller.
Precautions for Correct Use
• Design programs for the safety controller so that the STO function is not canceled automati-
cally even when the emergency stop switch is released.
• Design programs for the safety controller so that the STO function is not canceled automati-
cally when a Servo Drive failure is detected through the EDM output.
Programming Example
SF_EmergencyStop SF_EDM
STO
S_EDM1
S_EStop In
Reset
Reset
Reset
S_EStop Out S_EDM OutS_OutControl
EDM
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