Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Manual (Page 70)

3 Wiring and Connection
3.4.1 Sequence Input Circuits
3-26
(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
Switch
Fuse
SERVOPACK
/HWBB1+ 4
3 /HWBB1-
/HWBB2+
/HWBB2-
3.3 k Ω
CN8
3.3 k Ω
6
5
3.3 k Ω
3.3 k Ω