Chapter 1. Checking and Handling
1-3
1.2.3 Operation
y Use the magnetic brake of the motor only for emergency and maintenance (preservation).
The brake is designed for maintenance (preservation) during power outage. If used to reduce
the speed, the brake wears out quickly.
y Install brakes and magnetic contactors on power supply terminals R, S and T.
In case an error occurs or abnormal current flows, shut off the circuit to prevent secondary fire.
1.2.4 Maintenance and inspection
y "High voltage" still remains inside the drive for a while even after power supply is shut off.
(Danger!)
To prevent electric-shock, carry out wiring work or inspection at least l0 minutes after the power
is cut off and the charge lamp is turned off.
y The regenerative resistor and the servo motor remain hot for a while after power is turned off.
Touching them may cause burns.
y Megger test on the drive may cause damage to the drive. Do not perform megger test.
y Do not disassemble the motor detector. never remove the cover.
1.3 Installation
1.3.1 Installation of servo drive
y Operating environment
Ambient temperature
0-50℃ (There should be no freezing)
Note)
Ambient humidity 90% RH or lower (There should be no vapor)
Note) Inside panel temperature specifications: To ensure maximum operating life and reliability
of the drive, maintain the average panel temperature at 40℃ or lower.
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