HA-655 Series - Harmonic Drive LLC

Chapter 1Outlines of the HA-655 driver
1-6Front panel
DOWN key
UP key
LED display
ADJ key
SET key
Power supply terminal
For control power: r,s
For main power: R,S,T
HA-655-2
CN3 serial port connector
(compliant with RS-232C)
CN2: I/O connector
For regeneration resistor: R1,R2
For actuator: U,V,W
Ground terminals
CN1: Encoder connector
Functions
LED display
Indicates operating states of the HA-655 driver, parameters, alarms, by a 6-digit 7segment-LED.
Keys labeled [UP], [DOWN], [ADJ], and [SET]
Are used for changing indications, setting and tuning functional parameters, and operating an actuator
manually in a JOG mode.
CN1: encoder connector
Accepts a connector of an encoder cable form an actuator.
CN2: I/O connector
Accepts I/O signals to/from a host device.
CN3: Serial port connector (compliant with RS-232C)
Is connected to a PC with a dedicated cable. You can monitor, set, and tune parameters on the PC’s
display. (Notice: Optional software is available.)
Power supply terminals: r, s, R, S, T
Are provided for connecting the power supply. Control power is supplied to the [r, s] terminals, and main
power is supplied to the [R,S,T] terminals. (single Phase: R,S; or three phase: R,S,T).
External regeneration resistor terminals: R1, R2
If the built-in regeneration resistor is insufficient in its capacity to handle frequent start/stop operations of
an actuator, an external resistor can be connected to these terminals.
Actuator terminals: U, V, W
Accept an actuator cable. Connect each motor wire to the driver’s terminal marked with a same symbol.
If you confuse the symbols, the driver and the actuator may be in failure.
Ground terminals (Protective earth)
Connect grounds here to prevent electrical shock.
- 5 -