YASKAWA Σ-V Series User Manual page 72

(2) Safety Input Circuit
As for wiring input signals for safety function, input signals make common 0 V. It is necessary to make an
input signal redundant.
Input Signal Connection Example
24-V power supply
Fuse
SERVOPACK
CN8
Switch
/HWBB1+ 4 3.3 kΩ
3.3 kΩ
/HWBB1-
3
6 3.3 kΩ
/HWBB2+
3.3 kΩ
/HWBB2- 5
3.4 Connection to Host Controller
3
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