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    Temperature Controllers

    The temperature controller is a kind of intelligent temperature control instrument. It has the functions of temperature curve programmable or fixed-point constant temperature control, multiple PID regulation, output power limiting curve programming, manual / automatic switching, soft start, alarm switch output, real-time data query, communication with computer, etc. It combines digital temperature meter and ZK thyristor voltage regulator into one, which integrates temperature measurement, regulation and driving. The meter directly outputs thyristor trigger signal, which can drive all kinds of thyristor loads. It is used in all kinds of high and low voltage switchgear, dry-type transformer, box type substation and other related temperature application fields. In addition to understanding what the temperature controller is, we also need to know its three "how": how to work, how to use, and how to choose the temperature controller for better use of ATO.   

    Temperature controller wiring diagramHow does it work? 

    The ambient temperature can be automatically collected and monitored by temperature sensor. When the environment temperature is higher than the control set value, the control circuit will start, and the control return difference can be set. If the temperature is still rising, the overrun alarm function will be activated when it reaches the set overrun alarm temperature point. If the controlled temperature cannot be effectively controlled, we can also stop the equipment from running through the function of tripping to prevent the equipment from being damaged. On the right is the Programmable temperature controller wiring diagram.

    How to use it?

    There are many types of temperature controllers. Their output mode is slightly different, but the wiring principle is the same. As long as we understand the working principle, we can directly wire any temperature controller. Different brands of temperature controller have different parameters and setting methods.  According to your requirements.

    According to your requirements, ATO provides PID Temperature Controller, PID Temperature Controller, Multi Channel, Programmable Temperature Controller, Freezer Temperature Controller, Hot Runner Temperature Controller, and Hot Runner Temperature Controller, Multi Channel. 

    Watch the following video to learn how to wire and set up the temperature controller. 

     The wiring method is subject to the instruction manual and the wiring diagram on the temperature controller. 

    How to choose a right one?

    Temperature control switch refers to a series of automatic control elements which produce some special effects and turn on or off action according to the temperature change of working environment. It is called temperature controller for short. There are many types of temperature controller. The right selection is also a problem. ATO has sorted out the following tips for your reference:

    • Product quality

    We all know quality is very important to products. When we choose temperature controller, we must pay attention to the selection of good quality. Now many famous manufacturers products are can be assured of use in the market. Don't be greedy to buy some unqualified products at a low price, which will affect the use.

    • CPU

    CPU is the brain of temperature controller, so CPU must be better with high accuracy and good stability, which can play a better role in the future.

    • Power supply mode

    Pay attention to the power supply mode of the temperature controller when selecting the temperature controller. At present, there are two main power supply modes of it in the market: switching power supply or transformer power supply. In the selection, you need to look at the specific characteristics of the its from your own environment, and choose the right product.

    •  Input and output voltage

    Users use temperature controller in different places, so we need to pay attention to the voltage, including the input and output voltage, which must meet the basic needs. At the same time, when connecting, we must also focus on the positive and negative wiring is correct. If you can't connect the wires reversely, you may burn out it.

    • Digital temperature controller

    There are mainly two types of temperature controllers on the market: mechanical and electronic. The operation interface of the electronic temperature controller is humanized, intuitive and simple. Therefore, electronic thermostat should be selected as far as possible.

    Select a temperature controller for your application

     

     

    Temperature controller

    PID Temperature Controller, Dual Digital, Universal Input LEARN MORE
    Dual digital 4 LED display, on-off control/PID control, support universal inputs (Cu50/Pt100/K/E/J/T/S/R, 4-20mA, etc.), 4 kinds of output mode for select (relay output/SSR output/SCR/transmitter output 4-20mA), and additional output RS485/232 communication output, timer relay, etc.
    Temperature controller Programmable Temperature Controller, ON-OFF/PID Control LEARN MORE
    Dual digital 4 LED display, on-off control/PID control, support universal inputs (Cu50/Pt100/K/E/J/T/S/R, 4-20mA, etc.), 4 kinds of output mode for select (relay output/SSR output/SCR/transmitter output 4-20mA), additional output RS485/232 communication output, total 64 custom program segments for subsection control.
     Temperature controller PID Temperature Controller, Multi Channel LEARN MORE
    Multi digital 4 LED display, on-off control/PID control, support universal inputs (Cu50/Pt100/K/E/J/T/S, 4-20mA, etc.), 3 kinds of output mode for select (relay output/SSR output/SCR), and additional output RS485/232 communication output. Multi channel can realize separate measuring and individual control at the same time.
     Temperature controller Freezer Temperature Controller, Dual Digital, Pt100 LEARN MORE
    Dual digital 4 LED display, on-off control/PID control, single RTD input Pt100 (-200.0600.0), relay output, miniature needle printer for temperature record in medicine freezer and cold chain.
     Temperature controller Hot Runner Temperature Controller LEARN MORE
    The temperature control accuracy can reach 1. The input thermocouple type is J type or K type. The temperature settnig range is 0~450 (32~842). The hot runner temperature controller adopts an adaptive control method combining fuzzy control and PID control.
     Temperature controller Hot Runner Temperature Controller, Multi Channel LEARN MORE
    It consists of multiple single-channel temperature controllers, air switches, housing, fan, heavy duty connectors and cables. Dual 4 digit LED display and independent alarm and protection functions. Every temperature controller can also be equipped with a set of K type/J type thermocouple and heater.

     

    FAQ:

    • After heating for a period of time, we find that the temperature has not changed, and the temperature shown is the temperature of the environment.
    1. Is SV value set well
    2. Is the out value indicator of the instrument not on
    3. Is the connection wrong
    4. Is the sensor short circuited? When the thermocouple is short circuited, the temperature control instrument will always display the room temperature
    • It gets colder and colder after you heat it up

    Generally speaking, the positive and negative poles of the sensor are reversely connected. You need to check the wiring of the input terminal of the instrument sensor.

    • The temperature of the temperature controller display and the actual temperature of the heating body is relatively large after heating for a period of time.
    1. Whether the temperature probe has poor contact.
    2. Is the temperature measuring point correct enough
    3. Is the specification of the temperature sensor consistent with the input specification of the temperature controller

    *Note: This article is just for reference. For more infomation, please contact us.

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