AutomationDirect SureServo2 Manual - Page 5

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2.4 - Safety precautions for using motors

The SureServo2 AC servo motor is designed for industrial applications. It is necessary that you

fully understand the motor specifications and operation manual. For your safety and correct

use, please carefully read the manual, specifications, and precautions for the motor before

connecting the motor to any equipment.

The safety precautions are as follows:

Handling, mounting, and storage

• When removing or installing a servo motor, please hold the whole motor instead of holding

the cable or only the motor shaft�

• Do not hit the motor shaft� Impact force will damage the encoder that is attached at the rear

end of shaft�

• Keep the axial or radial load within the allowable range listed in the specifications�

• Do not use, install, or store the servo motor in a humid environment that contains water, oil,

corrosive gases, or liquids�

• The material of motor shaft is not rust-proof� Although the rust-proof oil has been applied

to the shaft during the manufacturing process, you must check the shaft condition and apply

rust-proof oil every three (3) months if storing the motor for more than six (6) months�

• Ensure that the environmental conditions for storing the servo motor conform to the

specifications in the instruction sheet�

• The encoder attached to the motor is easily damaged; please take the necessary steps to

avoid electric interference, vibration, and abnormal temperature changes�

Wiring

• If the current exceeds the maximum current in the Specifications, the internal parts of the

motor may lose their magnetism�

• Please check that the motor wiring and the voltage of the motor brake are correct� Also,

ensure that the wiring of the encoder signal and power cables is correct� Incorrect wiring will

lead to abnormal operation of motor, malfunction, or damage�

• To avoid capacitive coupling and noise, isolate the motor power cable from the encoder

power and signal cables� Do not connect them to the same circuit�

• The AC servo motor must be correctly grounded�

• The encoder connector must not undergo any high-voltage component test because it will

damage the encoder�

• When the motor or brake is undergoing high-voltage component tests, please cut off the

power supply of the controller� You should perform this kind of test only when necessary so

as to protect the product lifespan�

Note: For more information on best wiring practices, please refer to the Applied EMI/RFI

Techniques PDF on the technical support page.

Operation

• AC servo motor operation is controlled by the servo drive� Do not directly connect a

commercial type power source (100/200V, 50/60 Hz) to the servo motor circuit; otherwise, the

motor cannot operate normally and may be permanently damaged�

• Follow the motor specifications when using the product� The motor's operation temperature

must not exceed the specified range�

• The material of the motor shaft is not rust-proof� To ensure a longer motor life, please apply

rust-proof oil during operation�

• The built-in brake is for clamping or holding rotor or shaft stationary� Do not use it for

stopping or decelerating the motor�

SureServo2 User Manual – 1st Edition – 05/20/2021

Chapter 2: Installation

Page 2–5