YASKAWA Sigma-V Series User Manual page 87

24 V
−
+
Input Signal Polarities
Signal Level
Low (L)
ON
level
High (H)
OFF
level
(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
Sink Circuit
SERVOPACK input
Voltage
Contact
Level
0 V Close
24 V Open
SERVOPACK
CN8
Switch
/HWBB1+ 4 3.3 kΩ
3.3 kΩ
/HWBB1-
3
6 3.3 kΩ
/HWBB2+
3.3 kΩ
/HWBB2- 5
3.5 Examples of Connection to Host Controller
Source Circuit
24 V
SERVOPACK input
−
+
Input Signal Polarities
Voltage
Signal Level
Level
High (H)
ON
level
Low (L)
OFF
level
Contact
24 V Close
0 V Open
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