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IS810N-INT Series Servo System User Manual (Brief) Chapter 4 Wiring
4.6 STO Connection
When a fault is detected in the safety circuit, the STO function immediately cuts off the output
current of the controller and stops the output torque of the motor.
AX1 STO
AX2 STO
1GND 2 2GND1GND 2 2GND
STO connection terminal
1
1
STO connection terminal denition (Refer to the STO terminal denition of MD810):
Port Type Interface Name Function
AX1STO
1 Shaft 1 STO channel 1 power+
1GND Shaft 1 STO channel 1 power-
2 Shaft 1 STO channel 2 power+
2GND Shaft 1 STO channel 2 power-
AX2STO
1 Shaft 2 STO channel 1 power+
1GND Shaft 2 STO channel 1 power-
2 Shaft 2 STO channel 2 power+
2GND Shaft 2 STO channel 1 power-
Note: If an external power supply is used, it shall be an SELV circuit power supply with the
following specications: 24 VDC ±10%, 50 mA.