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Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: Haiwell
  • Model Number: H04DT
  • PLC I/O points: 4 channels
  • AI type: DS18B20 and SHT11
  • Power Supply: 24V DC
  • Conversion Accuracy: 9~12bit
  • Programming Language: LD, FBD, IL
  • Haiwell Series: Temperature module
  • Remote I/O module: None
  • Communication: Parallel interface
  • PLC Dimension: 30*95*82mm
  • Protocol: Modbus

Packaging & Delivery

Packaging Details Standard Haiwell PLC new original packing, cartons packed
Delivery Time Shipped in 1 days after payment

Haiwell H04DT PLC controller expansion for DS18B20 temperature control


Haiwell PLC is a versatile high-performance programmable logic controller, which is widely used in plastics, packaging, textiles, food, medical, pharmaceutical, environmental, municipal, printing, building materials, elevators, central air conditioning, numerical control machine tools and other fields of systems and control equipment. 


It is the first PLC (Programmable logic controller) designed with 100% built-in simulator in China.

Very easy to study and use!  It is the best choice for small and medium PLC market. As compared to Siemens/Mitsubishi/AB etc, it is more cost-effective, very simple to study and use, equipped with all the necessary functions. 



PLC Model Spec.


PLC Model



Conversion Accuracy


Haiwell series


24V DC

4 channels of DS18B20 of SHT11


Parallel interface

Temperature module


Haiwell PLC Analog Input (AI) Specification


Voltage Input

Current Input

RTD Input

Thermocouple Input

Input range







Pt100, Pt1000, Cu50, Cu100

S, K, T, E, J, B, N, R, Wre3/25, Wre5/26, [0-20]mV, [0-50]mV, [0-100]mV










Input impedance





Max input range





Input indication

LED light means normal , dark means break OFF

Response time

5ms/4 Channel

560ms/4 Channel ,880ms/8 Channel

Digital input range

12 bits, Code range: 0~32000(H series module 16 bits A/D convert)

16 bits, Code range: 0~32000


0.2% F.S

0.1% F.S

Power supply

MPU use internal power supply, Extension module use external power supply 24VDC ±10% 5VA

Isolation mode

Opto-electric isolation, Non-isolation between Channel ,between analog and digital is opto-electric isolation

Power consumption

24VDC ±20%,100mA(Max)

24VDC ±20%,50mA(Max)


Programming Software

  HaiwellHappy is a IEC 61131-3 standard programming software for Haiwell PLC products. It is most convenient PLC programming software for users.  All neccessary instructions are highly intergrated,  Very easy to study and use.


It supports 100% built-in simulator(Interpolation simulator, communication simulator and PLC hardware simulator). LD-Ladder Diagram, FBD-Function Block Diagram and IL-Instruction List 3 programming languages are supported.


Runing with Windows 98, Windows 2000, Windows XP and  newer versions.

Totally free PLC software with all features.



PLC advantages
As for PLC advantages, We can visually feel them through the following Haiwell Cloud networking diagram.

Haiwell Cloud is a cross-platform IOT cloud platform. It supports PC, iPad, Android, IOS and other terminals. You can visit on-site equipment from a thousand miles away, and realize the remote monitoring and maintaining for HMI and PLC. It supports remote programming, firmware upgrades,monitoring and diagnosis etc.

Haiwell Cloud provides security mechanisms for communication. It is secured by the encryption mechanism of 128-bit SSL,which ensures the stable and safe data transfer. It also uses A-key and B-Key protection mechanism to enable secure remote access to the devices.

Xiamen Haiwell Technology Co,.Ltd was founded in 2005 and has been the global leader in PLC automation control industry. It’s a high-tech enterprise,integrating indendent research and development, production and merchandising. As one of China’s first industrial control market participant, Haiwell has long been committed to the research and development of industrial automation core control system.


At present, the company’s main products include PLC, HMI, Cloud SCADA, intelligent gateway, wireless communication module ect. They are widely used in plastic, packaging, textile, food, medical, pharmaceutical, environmental protection, municipal,printing, construction material, elevator, central air conditioning, precise CNC machines and other industrial control field.


The products are of our own manufacture. We have advanced  production workshop and professional team. Beside, Haiwell PLC is authenticated by many certifying agency. Now we have different certifacation such as CE, ISO and so on.

Every year our company have different and high-quality exhibitions and training meetings which attract different customers to join us. 



Warranty & Shipment


1,All Haiwell PLC products support 24 months warranty.
2,Shipment within 5 workdays after payment received.



1,Fedex/DHL/UPS/TNT/EMS for sample and mass production,door to door.
2,By air and by sea for mass production of FCL and LCL,both sea port and airport are available.
3,Shipping method is negotiable,customer can designate freight forwarders.


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Supplier's Trade Assurance Limit: US $215,000
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