ABB KSD211B

Description

ABB KSD211B is an electrical device.The following is a detailed introduction to it:

1.Basic Principle

The KSD211B photocoupler is mainly composed of three parts:light emission,light reception and signal amplification.The input end of the photocoupler is connected with an electrical signal to make the light source emit light.The intensity of the light depends on the magnitude of the excitation current.After this light is irradiated on the light receiver packaged together,a photocurrent is generated due to the photoelectric effect,which is led out from the output end of the light receiver,thus realizing the conversion of electricity,light and electricity.

Specifically,when a forward voltage is applied to a light-emitting device(generally a light-emitting diode),it can convert electrical energy into light energy and emit light.The light-emitting diode can be driven by a DC,AC,pulse power supply,etc.,but a forward voltage must be applied when it is used.The light receiving part is mainly composed of photosensitive devices,which are generally photosensitive transistors.Photosensitive transistors work on the principle that when a reverse voltage is applied to a PN junction,the reverse resistance changes from large to small under light irradiation.The pin of the light-emitting device is the input end,and the pin of the photosensitive device is the output end.When working,add the electrical signal to the input end to make the core of the light-emitting device emit light.After the photosensitive device is illuminated,it generates a photocurrent and is amplified by the electronic circuit and output,realizing the conversion of electricity,light and electricity,thereby realizing the electrical isolation of the input and output circuits.

ABB KSD211B

2.Product features

High reliability.

Easy to use.

It has good anti-electromagnetic interference and electrical insulation capabilities.

3.Technical parameters

Take the 3BHE022455R1101 KSD211B101 model as an example,its technical parameters are as follows:

Input voltage:220VAC

Output voltage:0-10V DC

Maximum load current:5A

Operating temperature:-20°C to 60°C

Protection level:IP54

Product size:100mm x 80mm x 30mm

Weight:0.5kg

ABB KSD211B

4.Application scenarios

ABB KSD211B is suitable for various power systems and industrial equipment,and can be used to control and monitor power systems.

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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