Company Advantages
1. We update periodically to make it cater the modern market.
2. This product features user-friendliness. It is well-designed in an ergonomic manner which ensures comfort and support in all the right places.
3. The product is anti-bacterial. It is treated with bacteria resistant agent which can effectively kill staphylococcus aureus, colon bacillus, and other types of germs.
4. Excellent customer service is also one of the core competencies of Shenzhen Coolmay Technology Co., Ltd. .
5. Shenzhen Coolmay Technology Co., Ltd. is much more like a scalable and sustainable organization.

The device includes functions below :

40DI/40DO, transistor output,

RS232, RS485 port 

Packing&Shipping

Packaging:The products will be under testing for 1-3 days and packed with carton box .

The package will include:

1 set of plc device+cables

Shipping

By courier, door to door

For samples, the package will be delivered by DHL/UPS/FedEx/EMS express. Usually it will take 3-7 days to your location. 

 Post service

If you are not hurry but need economical delivery, we can go with packet channel. The delivery time depends on your location.

 Air shipping or by sea

If bulk order, the packages will be delivered by air shipping or by ship. 

 As some local customs require specific information for local import, please offer the information if you need the package to be sent to these countries.

India:  PAN or IEC or GST number

Peru: Tax number

Argentina: Tax number

Chile: Tax number

Brazil: CNPJ or CPF number

Bulgaria: Tax number for DHL shipping 

FAQ:

1 How to check the PLC version number?

Major version number: D8001; minor version number: D8101

2. How to download programs for 3G series PLC?

3G series PLC comes with two download ports: mini USB port and RS232 serial port. The mini USB port needs to install the driver:

Download area-PLC software download-USB programming port driver of 3G series PLC & PLC integrated machine

http://www.coolmay.com/webdown/3G_PLCHMIUSBdriv.rar

Company qualification:

Company information:

Coolmay Technology is a high-tech enterprise specializing in research and development, our company mainly focus on production of industrial PLC automation products and provision of automation engineering services.The business philosophy of our company is "cooperation, integrity, pragmatism and innovation", we focus on the field of industrial control automation, providing customers with high-quality, low-cost embedded industrial control products, solutions and services. In order to follow the development direction of China's industrial automation market, our company has developed industrial control products which could satisfy market demand and have highly competitive in the industry. Our products include: PLC integrated machine, touch screen, human-machine interface, text display, power module, wireless communication module, temperature control module, amplifier module, frequency converter, smart home series products (smart lock, smart curtains, smart control panel, smart Control system, etc.) and other supporting products.

Company Features
1. Since establishment, Shenzhen Coolmay Technology Co., Ltd. has been providing high performance services for the market.
2. Achieving the coordinated development of technical develop and research more guarantees the quality of .
3. We will constantly offer guaranteed and excellent service that's professional, fast, accurate, dependable, exclusive and considerate, to make sure customers make the most of the cooperation with us. Get price! We are actively advancing activities that contribute to sustainability to meet society's expectations based on an accurate perception of the impact of our operations on society and our social responsibilities. Coolmay brands are popular around the world. Sustainability is the core of everything we do. We collaborate with clients and partners to build solutions that promote environmental sustainability and change the ways of working in an environmentally-friendly manner.