Limiter In Electric Chain Hoist

Limiter In Electric Chain Hoist

The limiter in the heavy duty electric chain hoist is mainly composed of two parts: sensor and controller. Its main function is to prevent overload, which belongs to the safety device. The following is a detailed explanation of the mechanism of the limiter, for reference only. The weight limiter...

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 The limiter in the heavy duty electric chain hoist is mainly composed of two parts: sensor and controller. Its main function is to prevent overload, which belongs to the safety device. The following is a detailed explanation of the mechanism of the limiter, for reference only.

 The weight limiter of the heavy duty electric chain hoist adopts a four-core shielded cable, and the two lines (red and black) marked with power supply are connected to ac 380V. It is the power line of the limiter, and the two lines marked with "normally closed" (blue and yellow) are connected in series in the contactor circuit of the electric hoist.Note: power supply voltage ~ 380V. The control contact is normally closed.

 When lifting heavy objects with heavy duty electric chain hoist, the weight is transmitted to the sensor to generate A micro voltage change, which is amplified by the instrument amplifier and turned into digital signal by A/D converter with high resolution.The digital signal is read directly by the single chip computer and converted into weight value after processing.

 When the weight value is compared with the rated value, if the rating value reaches 110%, a pair of passive relay contact signals will be output to cut off the power supply of the lifting motor. In addition, the weight value of the electric hoist can be sent to the controller for processing according to the command of the controller, and the rated weight, lifting weight warning and alarm sound will be displayed.

01.5Ton Chain Hoist_副本_副本

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