
8 - 7
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
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.
The following connection examples show how to connect the safety inputs and the EDM output to the
safety controller.
Wire SF1 and SF2 to different safety outputs.
8-2-3
Connection Example
Connection with a Safety Controller
M
Servo Drive
SF1 +
SF2 +
SF2 -
EDM +
EDM -
SF1 -
0 V
P
EDM +
Safety
Controller
G9SP Series
Safety output
(source)
Safety
output 1
Safety
output 2
Test
output
Safety
input
EDM
input
Safety input
EDM
output
Servo Drive
SF1 +
SF2 +
SF2 -
SF1 -
0 V
Safety
Controller
G9SP Series
Safety output
(source)
Wiring SF1 and SF2 to the same safety output
Safety
output 1
Safety input
Summary of Contents for R88D-1SN ECT Series
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