Yamaha ERCX Series User Manual page 35

When shared with 24V power supply for controller
Push-button
NPN transistor
Incandescent lamp
Solenoid valve
External 24V power supply
for I/O control and controller
c
CAUTION
Select a 24V power supply with a sufficient capacity. If the power supply capacity is insufficient, the robot may
not operate normally resulting in an unexpected error or alarm.
External 24V power supply must have a capacity for:
Controller (3A) + Emergency stop circuit (0.05A) + I/O drive (depends on user application)
Additional power capacity (0.3A) for brake control is needed for robots with brake.
DI
DI
DO
DO
+IN COM
0V
24V
N
Controller side
3-4 I/O Circuits
Photocoupler
Input signal
Output signal
11
3-
3