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DK2400 series

  • DK2404 double input 9 sets of process curve 24 section curve PID temperature controller

DK2404 double input 9 sets of process curve 24 section curve PID temperature controller

  • The 2400 series program process controller is an industrial process control instrument designed by the latest measurement and control technology. Adopting advanced hardware and software design technology, it has the characteristics of high accuracy in measurement and control.

    Supporting 9 process curves, each can set 24 program curves, which can realize the process control of 24 section curves. According to the needs of 24 section curves, relay action output, 5 groups of PID calls and other practical functions can be realized. Realize the complex demand of curve process control.

    The program process controller has dual output control functions of heating and cooling. The carbon potential control function in heat treatment application can be realized by the second input oxygen probe sensor.

    The second auxiliary input channel has the following functions: heater disconnection alarm function, remote DCS remote setting value SV, oxygen probe input carbon potential control function. Dual sensor high and low temperature switching function.

    The 2 groups of switch and light input can realize flexible switching of various application functions.

    This process controller has 31 kinds of commonly used industrial signal sensor input functions.

    The control output types are: relay, analog linear signal, solid state relay output (transistor), thyristor (which can directly drive electrical equipment under 5 A).

    The program controller has a very convenient man-machine interface design, and the key operation is simple and convenient. When the program curve is executed, it can prompt the current remaining time and the current setting value and so on.

    The local editing and input of program curve is simple and convenient. The program curve has the function of data retention and alarm exemption.

    The advanced control algorithm is adopted to adapt to various operating conditions.

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Product features

Five digit tube display and status display window

Standard MODBUS RTU communication

Support 9 process curves, each can set 24 program curves.

Packet PID, suitable for various characteristic loads

Remote analog setting, communication control, heater break protection and so on.

Carbon potential control for PT1000 input and industrial oxygen probe

The improved DK PID algorithm is used to make the control more precise.

Feeding power supply with sensor and high interference Design


1、 4 - 20ma

2 、0 - 20ma

3 、0 - 10ma

4 、relay output

5 、transistor solid state output

6、 SCR output

7、 No



Standard MODBUS RTU communications


2 way relay output

Other detailed parameters

1. control cycle: 50mS/100mS

2. measurement accuracy: 0.1%FS (24 bit AD).

3. sampling rate: 20Hz/10Hz

4. control output:

Analog signals: 4-20MA, 0-20MA (<500 <500), 0-10MA (<1k omega)

Relay: 2A (250V AC)

Solid state relay (transistor): 22V 20MA

SCR: 6A 250V AC

5. LED digital tube: three row display

The first row is PV 5 bit, the second row SV 5 bits, the third row information window 3 bits.

6. signal measurement input impedance: voltage is more than 500K ohm, current is less than 120 ohm, thermocouple is equal to 500K ohm.

7. resistance is measured by three wire system, and the resistance of signal transmission wire is not greater than 10.

8. standard MODBUS RTU communication protocol. Two wire RS485

Check mode: no check, odd check, even check.

Communication speed: 4800BPS, 9600BPS, 19200BPS

Address range: 1~247

9. equipment power supply: 86~260V AC (47~63HZ)

10. isolation voltage: input, output, power three isolation voltage 2300V AC /1MIN

11. use temperature: 0~60 C

12. storage conditions: temperature -40 C ~80 C, humidity 10%~90%RH

13. external dimensions: 96*96mm (opening size 92*92mm), 96*48mm (opening size 92*44mm)

14.EMC standard: EN61326*

15. safety standards: EN61010 and UL3121

16. protection level: IP66

17. power consumption: 7W

Selection size

Outline size: 96*96*109mm

Opening size: 92*92mm