CALT

Name: CALT
Address: Room 302, building 9, No. 4361, Hutai Road, Baoshan District, Shanghai, 200120, CN
Telephone: +8618964679357

Shanghai Qiyi Electrical & Mechanical Equipment Co., Ltd. located in Shanghai —China’s economic, financial and trade center.

Our company founded in 2009, has a vibrant, passionate work team.

12/10/2020

Application of Analytic Encoder in Wind Power Control System

Wind power generation control system

Wind power generation system as the core of the field of wind power generation, its technological innovation is essential. At present, the main use of constant speed constant frequency and variable speed constant frequency wind turbine system two categories.

Application of Analytic Encoder in Wind Power Control SystemWind power generation control systemWind power generation system as the core of the field of win

11/10/2020

Application of Encoder in CNC Machine Tool

Incremental encoders output pulses when they are rotated, and know their position by means of a counter. When the encoder is powered down, the value stored in the buffer or external counter is lost. This means that if the machine is forced to shut down due to get off work or maintenance, after the restart, the encoder will not know its exact location.

Application of Encoder in CNC Machine Tool Incremental encoders output pulses when they are rotated, and know their position by means of a counter. When the

10/10/2020

CALT absolute encoder housing design
Full Metal without screws sealing class: This seal technology, encoder housing is not secured with screws, but pinch sealed, so it can achieve protection class IP67.

CALT absolute encoder housing designFull Metal without screws sealing class: This seal technology, encoder housing is not secured with screws, but pinch sealed

09/10/2020

Encoder mounting to find and calculate the zero position

Generally, incremental encoder provides a z phase (zero) signal each circle, and for absolute encoder, each position data value is unique, so there is also a zero position. So, how to determine zero position in using of encoder? Usually there are several ways:

In the installing encoder, rotate shaft to determine zero position.

Encoder mounting to find and calculate the zero positionGenerally, incremental encoder provides a z phase (zero) signal each circle, and for absolute encoder,

08/10/2020

Encoder resolution and accuracy

Sensor resolution and accuracy on the understanding that we can use the machinery used three pointer watches play such an analogy: the resolution of the hour is the hour, minute resolution is minutes, seconds resolution is second, his eyes quick response through the spaces between the second hand in seconds, we can even tell to about 0.3

Encoder resolution and accuracySensor resolution and accuracy on the understanding that we can use the machinery used three pointer watches play such an analo

07/10/2020

Measuring system

To solve positioning problems in automation, it is often necessary to measure lengths and angles as exactly as possible. In general there are two different measuring systems:

Incremental Measuring Systems

The principle of the incremental measuring system is the scanning of a line pattern on a glass or plastic disc (see Image 1).

Measuring system To solve positioning problems in automation, it is often necessary to measure lengths and angles as exactly as possible. In general there a

06/10/2020

How Rotary Encoder Works

Overview

A rotary encoder is a type of position sensor which is used for determining the angular position of a rotating shaft. It generates an electrical signal, either analog or digital, according to the rotational movement.

There are many different types of rotary encoders which are classified by either Output Signal or Sensing Technology.

How Rotary Encoder WorksOverviewA rotary encoder is a type of position sensor which is used for determining the angular position of a rotating shaft. It gen

05/10/2020

Shanghai Tower Steel Platform Hydraulic synchronous jacking system

project instruction:

A total of 635 meters, 127-storey Shanghai Tower is located in Shanghai's Pudong Lujiazui financial center area. The core tube of the casting from the standard layer 5 layer, the use of steel platform construction, the construction platform from the 5th layer has been raised to 127 layers.

Shanghai Tower Steel Platform Hydraulic synchronous jacking systemproject instruction:A total of 635 meters, 127-storey Shanghai Tower is located in Shangh

04/10/2020

Modbus RTU Protocol Absolute Encoder Parameter Setting Profile

（Modscan software）

Choose the right com;

Configuration parameter:

Baud：9600

Word：8

Parit：EVEN

Stop bit：1（as following：）

Transmission Mode（Modbus RTU， standard和DANIEL/ENRON/OMNI optional）

Device ID：1（Based on real device ID）；

Data address：2；

length：2；

04：input register。

Proper response

Modbus RTU Protocol Absolute Encoder Parameter Setting Profile（Modscan software） Choose the right com; Configuration parameter: Baud：960

03/10/2020

Resolution and accuracy of absolute encoder

Encoder resolution and accuracy is not necessarily equivalent. Accuracy by the engraved lines, encoder mechanical concentricity, reading response speed, temperature characteristics and other factors determined. If an encoder is sinusoidal groove segments high resolution, then it does not improve the accuracy of, subdivision only improves resolution.

Resolution and accuracy of absolute encoderEncoder resolution and accuracy is not necessarily equivalent. Accuracy by the engraved lines, encoder mechanical c

02/10/2020

What is a rotary encoder?

Optical encoder classification and selection

As a class of sensor, rotary encoder used to detect the mechanical movement speed, position, angle, distance, or count. In addition to applications in industrial machinery, many motor control such as servo motors, BLDC servo motor must configure encoder for the motor controller as commutation, speed and position detection.

What is a rotary encoder?Optical encoder classification and selectionAs a class of sensor, rotary encoder used to detect the mechanical movement speed, posi

01/10/2020

CALT draw wire position sensor is a conventional displacement sensor for measuring distance. It can be used to measure physical quantities such as length measurement, distance measurement, hydraulic cylinder measurement, measurement speed, etc. The draw wire encoder has high measurement accuracy, long distance measurement stroke and long service life. It has been widely used in many industries.

CALT draw wire position sensor is a conventional displacement sensor for measuring distance. It can be used to measure physical quantities such as length measur

Address

Room 302, Building 9, No. 4361, Hutai Road, Baoshan District
Shanghai
200120

Telephone

+8618964679357

Website

https://www.china-encoder.com/

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