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    Tag: solid state relay

    How to Test a Solid State Relay?

    Solid state relays will get damaged instantly if their input and output configurations are exceeded. Because of their unique design, this sort of damage can hardly be inspected visually and audibly from the outside, making SSRs harder to diagnose than mechanical relays. But with a few simple troubleshooting steps, it can be easy to check if a relay is working as expected or not. The relay we have chosen for the test is a DC controlled, AC output solid state relay. In this article, we'll show you step-by-step instructions on how to test a solid state relay.

    How to Select a Right Heat Sink?

    Solid state relays generate heat when they are in operation. A heat sink for a solid state relay is a device that is used to dissipate the heat generated by the solid state relay during its operation. The heat sink is designed to absorb and dissipate this heat away from the solid state relay. It is typically made of a thermally conductive material such as aluminum, which helps to transfer the heat away from the solid state relay and into the surrounding air. Choosing the right heat sink helps to increase the efficiency and service life of solid state relays. In this article, ATO automation will help you choose the right heat sink with three questions.

    Solid State Relay vs. Mechanical Relay

    In general, solid state relays are quite similar to the mechanical relays that have movable contacts. The main difference between both is the fact that there are no actual moving components in an SSR, just like the name suggests. Rather than relying on a physical contact moving to complete the circuit, solid state relays (SSR) employ optical semiconductor switching elements, such as diodes, thyristors, triacs and transistors. In this article, ATO automation will explore these two typical relays and find out more about their differences. 

    What is the Solid State Relay Used for?

    The dedicated solid state relay has the functions of short circuit protection, overload protection and overheat protection. It can realize the intelligent module required by the user and directly use it in the control system with the combination logic curing package. SSR can use external analog signal to trigger the module to achieve linearly adjustable output voltage.

    Difference Between Solid State Relay and Ordinary Relay

    A solid state relay is an all-electronic circuit combination component that relies on the electromagnetic and optical properties of semiconductor devices and electronic components to complete its isolation and relay switching functions. Compared with the traditional electromagnetic relay, the solid state relay is a relay without machinery and no moving parts, but has essentially the same function as the electromagnetic relay.

    How to Maintain a Solid State Relay?

    Solid state relay, short for SSR, is a non-contact switch composed of microelectronic circuits, discrete electronic devices, and power electronic power devices. The isolation device is used to realize the isolation between the control terminal and the load terminal. The input end of the solid state relay uses a tiny control signal to directly drive a large current load. So, how to maintain a solid state relay?

    How to Wire a PID Temp Controller with Pt100 Sensor

    In this blog, we are gonna explain how to connect a Pt100 sensor to the PID temperature controller. To let this happen, we'll use a humidity sensor, a solid state relay and a conventional relay as well as the Pt100 sensor. Follow us to learn the detailed steps.

    How to Wire Solid State Relay?

    Solid state relay has reliable operation, long life, no noise, no spark, no electromagnetic interference, fast switching speed, strong anti-interference ability, and small size, impact resistance, oscillation resistance, explosion-proof, moisture-proof, anti-corrosion, compatible with TTL, DTL, HTL and other logic circuits, with small control signals to directly drive large current load.

    Control Circuit for Solid State Relay

    Solid state relays (SSRs) have plenty of types and models, so its input control methods and control circuits are numerous accordingly. The common characteristics of solid state relay (SSR) lie in the small drive current or drive voltage, namely, the on-off the SSR can be controlled by just inputting a small signal. If it is required to realize effective and reliable control, its input signal should reach a given value. As to the requirement to the working current of the input loop, it is recommended to switch on when the value is 5-10mA and switch off when the value is lower than 1mA. As to the requirement of the working voltage of the input terminal, it is generally no lower than 3V in switch on, and lower than 1V in switch off. Of course, because of the different product characteristics and different manufacturers, the requirement to the input current or resistance value is also different. Therefore, in using and designing the circuit, the selection and design can be conducted according to the specification and operation occasions on the basis of solid state relay (SSR) type. The following text introduces some basic methods and circuits of SSR input control.

    What Causes a Solid State Relay Burnout?

    Solid state relay, SSR in short, is the non-contact switch constituted by the microelectronics circuit, discrete electron device and power electronics power device. The isolation device is used to realize the isolation of the control terminal and load terminal. The input terminal of the solid state relay adopts the tiny control signal, thus realizing the direct driving of the high-current load.
    Then, we will mainly introduces the faults of the solid state relay burnout. How to test the SSR if it is damaged or not? What is the reason of the solid state relay burnout and how to deal with?

    Solid State Relay Price List

    Solid state relay (SSR) is a non-contact switch which drives a high-current load with a small control signal. The solid state relay consists of three parts, namely, the input circuit, the isolation (coupling) and the output circuit.Compared with the electromagnetic relays, solid state relays are characterized with high reliability, no contact, no spark, no noise, strong anti-interference ability, long lifetime, and fast switching speed. Now SSR are widely used in automation equipment, CNC machines, remote control system, instrumentation, medical equipment and so on.

    How to Select a Right Solid State Relay?

    How to select a right solid state relay? When selecting solid state relay(SSR), it should be based on the actual application conditions and SSR performance parameters, and especially take into consideration the overcurrent and overvoltage conditions in the use and the load capacity of SSR, which is helpful to achieve the long life time and high reliability of solid state relays. Then, follow the questions and find the detailed answers to choosing a right  SSR.

    Solid State Relay Basics & Working Principle

    What is a solid state relay(SSR)? A solid state relay is a non-contact switch fully composed of solid state electrical-element, which can drive high-current load with a small control signal. It can achieve switching on and off with no contact and no spark due to the switching characteristics of electrical element (i.e. semiconductor components like switch transistor, triac and so on). Solid state relay has such following advantages over electromagnetic relays: high reliability, no contact, no spark, long life, fast switching speed, strong anti-interference ability, and small size.

    Solid State Relays vs. Electromagnetic Relays

    Solid state relay (SSR) is a non-contact switch composed of solid-state electronic components with high reliability, non-contact, no spark, long life, no noise, no electromagnetic interference, high switching speed. Electromechanical relays (EMR) is a kind of magnetic switch made up of multi-coils, movable elements, contact system etc. and it is easy to drive and widely used in all the areas. Then what are they differences? Which one is better?