position / speed mode - Harmonic Drive LLC

Chapter 4 Installing HA-655 driver
4-5-3Connecting power cables
The terminal block for the power is located on the front panel of the HA -655 driver. There is no phase
order in connection to three-phase power lines.
7mm
Shown the figure to the right, strip the end of wires of the power supply
cable and the motor cable, and connect wires to each terminal firmly.
Install an isolation transformer and noise filters in the power lines to
avoid electric shock and to guard against malfunctions caused by
external noise.
3-phase power (200V)
Isolation
transformer
NF
NF
Noise filter
HA-655-•-200
r
s
R
S
T
Single phase power (200V)
Isolation
transformer
NF
NF
Noise filter
r
s
R
S
T
Model:MVSTBR2.5/5-ST-5.08
(Phoenix contact)
The driver contains a surge-current-suppress-circuit of capacitor type. Although the circuit reduces line
voltage fluctuation, avoid daisy-chain wiring of the power lines, and connect units with a main switch.
Power
Main switch
Power
Main switch
HA-655
Other
device
Other
device
HA-655
Other
device
Other
device
Good connection
4-5-4Isolation transformer
The use of an isolation transformer is recommended to
prevent problems caused by improper grounding and
external noises.
Optional transformers are available as follows:
Actuator FHA-17C FHA-25C FHA-32C FHA-40C
Unit Voltage 200V 200V 200V 200V
HA-655-2 PT1-20004 -
HA-655-4 - PT1-20008
Refer to appendix 1 for the details of the transformers.
PT1-200 04-200
Bad connection
Ins. transformer: PT1 series
2nd volt. 200:
2nd cur. 04: 4A
08: 8A
AC 200V
Prim. volt 100: AC100V
115: AC115V
200: AC200V
220: AC220V
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