Shenzhen Hpmont Technology Co., Ltd Chapter 1 Safety Information and Precautions
HD5L Series Controller User Manual ―1―
Chapter 1 Safety Information and Precautions
1.1 Safety Definition
Danger:
A Danger contains information which is critical for avoiding safety
hazard.
Warning: A Warning contains information which is essential for avoiding
risk of damage to product or other equipments.
Note: A Note contains information which helps to ensure correct operation
of the product.
1.2 About Motor and Load
Compared to the standard frequency operation
The HD5L series controllers are voltage-type controllers and their output is PWM wave with
certain harmonic wave. Therefore, the temperature, noise and vibration of the motor will be a little
higher than that at standard frequency operation.
Motor’s overload protecting threshold
When choose the adaptive motor, the controller can effectively implement the motor thermal
protection. Otherwise it must adjust the motor protection parameters or other protection
measures to ensure that the motor is at a safe and reliable operation.
Lubrication of mechanical devices
At long time low-speed operation, it should provide periodical lubrication maintenance for the
mechanical devices such as gear box and geared motor etc. to make sure the drive results meet
the site need.
Check the insulation of the motor
For the first time using of the motor or after long time storage, it need check the insulation of the
motor to avoid damage the controller because of the worse insulation motor.
Note:
Please use a 500V Mega-Ohm-Meter to test and the insulation resistance must be higher than
5Mohm.
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