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8 Safety Function
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
8
-2 ST
O Fu
nct
ion
via Safet
y Inp
u
t
S
ig
n
als
8
8-2
-3 Con
nection 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 Out S_OutControl
EDM