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Microcomputer multi-stage program temperature control magnetic stirring electric heating sleeve
This product is a new type of XJ-2 product developed based on KDM, DHT, SHT, XJ-1, and XJ-2 models. In addition to having the same advantages, it also
Product details
This product is a new type of XJ-2 product developed based on KDM, DHT, SHT, XJ-1, and XJ-2 models. In addition to having the same advantages, it also has the advantages of high temperature control accuracy and durability.
1、 Main technical indicators
(1) Power supply voltage: 0-220V50Hz
(2) Maximum temperature: 500 ℃
(3) Temperature control accuracy: ± 0.5 ℃
(4) Working hours: 8 hours
2、 Operating instructions
1Set temperature: Press the SET button to set the temperature. Press the SET button to flash the data on the digital display in the lower row (normal temperature measurement in the upper row), indicating that the instrument has entered the temperature setting state. Press the △ button to increase the set value, and press the? The key setting value decreases. Press the shift key to change the position of the setting value, and then press againSETThe key instrument panel returns to normal working state and the temperature setting is completed.
2Selection control: Press the selection key once and the * channel indicator light will flash. If you press the OK key at this time, * channel will be selected, and the selection indicator light will automatically move to the second channel and flash. Similarly, if you want to select the second channel, press the OK key. If you do not select it, press the selection key again to enter the next channel. Repeat this process until the next channel is reached. The controller can freely choose to open or disconnect one of the channels during operation.
3Correction of sensor errors: When confirming that the value displayed on the instrument is not the correct measurement value, the displayed value can be corrected. pressSETkey3Quickly enter the inner menu of the instrument panel and select the parametersSCLater cooperation △ or? The key can modify this parameter. The correction range for sensor errors is+50arrive-50After making the necessary corrections, press againSETkey3Exit in seconds.
4Starting self-tuning: This product can adapt to the vast majority of control systems, and can only start self-tuning when the control effect is particularly unsatisfactorySETkey3Quickly enter the inner menu of the instrument panel and select the parametersAtLater cooperation △ or? Press the key to enable self-tuning, at this pointAtThe indicator light starts flashing and the instrument enters the automatic setting erosion working state. The instrument controls the heating system to fluctuate twice near the set pointAtSelf setting ends when the light goes out, newPIDThe parameters are locked in the chip.
5Start manual control: When the controller is in normal working condition, pressSETkey3The controller can enter manual control mode in seconds, and * characters will be displayed in the bottom row of the controllerHThe bottom two digits represent the percentage of output power, expressed as △ or? The key can change the percentage of output power to adjust the output. Note that this is an open-loop control mode.
3、 Precautions
1If there is a significant difference between the measured temperature and the actual temperature, it is usually caused by using the wrong sensor. Please place the sensor in boiling water, and the instrument should display100℃Otherwise, check if the sensor matches the instrument input type *.
2The instrument display is normal, but the temperature suddenly loses control. It is necessary to check whether there is a short circuit or open circuit in the external load.
3Instrument displayHHHIf the measured value exceeds the instrument range or the thermocouple is disconnected, it will displayLLLThe measured value is lower than the lower limit of the instrument range or the thermocouple is reversed.
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