Specifications

Chapter 5 Operations
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5-2 Usual operation
As the HA-655 driver runs by commands from a host, no special intervention is required for normal
operations. In this section, instructions for daily operations and maintenance are explained.
5-2-1 Notices for daily operations
5-2-2 Daily maintenance
Since the HA-655 driver employs highly reliable parts, no special daily maintenance is required except
the maintenance under user’s rules for electronic equipment.
Check point Interval Inspection standard Treatment
Terminal screws Yearly No loosen screws Tightening screws
Exterior Yearly No dust or metal chips on the case Cleaning
Interior Circuitry Yearly
No color change, no faults,
no abnormalities
Consult with Harmonic
drive systems
1.
Shut down electric power be
fore maintenance.
Maintenance while power is active may cause electric shock.
3. Do not touch terminals for at least five minutes after power-OFF
stage.
Even with power-
OFF, electric charge remains in the driver. Do not touch terminals at
least five minutes after power-OFF to avoid electric shock.
3.
Do not perform insulation resistance or high voltage breakdown
tests.
The test causes
damage
to the HA
-
655 driver circuit
that results in
abnormal motion.
CAUTION
1.
Do not make any wiring while power is active.
Disconnecting wires or connectors while power is active
may cause electric shock or
abnormal mechanical motion resulting in serious physical injury.
2. Do not touch terminals for at least five minutes
after power has
been shut off [POWER OFF].
Even during power-OFF, electric charge remains in the
driver. Do not touch terminals at
least five minutes from power-OFF to avoid electric shock.
2. Do not operate drivers with frequent ON/OFF operation.
Frequent power ON/OFF operation may cause deterioration of electronic
elements.
Start / stop operation should be performed by using input signals.
CAUTION