2773322

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Sensor Interface – Junction Blocks is an important application field of 2773322. It can be divided into four main types based on the power supply capacity, output mode, input mode, and working principle.

1. Types of Power Supply Capacity

External Power Supply Junction Blocks supply power to an electronic device through an external power source. This type of junction block is mainly used in industrial control applications that need higher accuracy. It also includes a single phase input, dual phase input, and three phase input.

Internal Power Supply Junction Blocks internally generate power and supply it to an electronic device. This type of junction block is mainly used in robotics, automation, and other control applications. It also includes a power generation relay, switching regulator, and current limiter.

2. Types of Output Mode

Push-type Junction Blocks are used for providing an electrical switch signal. This type of junction block uses a mechanical button to control the switch state. It is mainly used in industrial applications where there is a need to turn on/off electrical appliances.

Spanner-type Junction Blocks are used for providing an electrical switch signal. This type of junction block uses a mechanical handle to control the switch state. It is mainly used in industrial applications that require precise control.

3. Types of Input Mode

Level-sensing Junction Blocks operate by sensing the level of a fluid or gas. This type of junction block uses a diaphragm or float switch to sense the pressure or level of a liquid or gas. It is mainly used in control applications that require controlled flow of liquids or gases.

Analog Input Junction Blocks operate by sensing the analog signal from various sources such as thermocouples or resistive sensors. This type of junction block is mainly used in temperature control applications where high accuracy is required.

4. Working Principle

Input-output Junction Blocks operate by converting the input signal to an output. This type of junction block is mainly used in industrial automation applications such as signal-controlled valves and automated switchgear.

Counter-timer Junction Blocks operate by counting pulses from counters. This type of junction block is mainly used in industrial applications where counting and timing are required. It is also used in control applications such as metering, product counting, and timing.

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