Yaskawa Sigma-5 Large Capacity Users Manual: Design and Maintenance-Rotary Motors-Mechatrolink-II Communication Reference - Manual (Page 76)

3 Wiring and Connection
3.5.1 Sequence Input Circuit
3-30
(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
/HWBB1+ 4
3 /HWBB1-
/HWBB2+
/HWBB2-
3.3 k Ω
CN8
3.3 k Ω
SERVOPACK
6
5
3.3 k Ω
3.3 k Ω