Specifications

Chapter 3 I/O ports
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3-2-4 I/O port functions in the speed mode
This section describes I/O port functions in the speed mode.
CN2-1 Input signal common: IN-COM (input)
● Function
This is the common port for inputs: [CN2-2, -3, -4, -5, -6, -10, -11]. Supply external power for inputs from
this port.
● Connection
Connect [+24V] external power supply for inputs here.
CN2-2 Clear: CLEAR (input)
● Function
(3) If an alarm exists:
This clears the alarm state, returns to operable state, and clears the error count to [0]. For alarms
that cannot be cleared, shut off the control power once, and turn it on again.
(4) If no alarm exists:
This clears the error count to [0].
● Connection
Connect [NO-contact signal (a-contact)].
Refer to [CN2-1: input signal common].
CN2-3 Servo-ON: S-ON (input)
● Function
This turns the servo power for the HA-655 driver ON and OFF.
When the input is ON, the servo power of the HA-655 driver is ON and the actuator can be driven. When
OFF, the servo power turns OFF and the motor is free to rotate.
● Connection
Connect [NO-contact signal (a-contact)].
Refer to [CN2-1: input signal common].