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Coolmay Wholesale plc control board company for environmental protection engineering

Coolmay Wholesale plc control board company for environmental protection engineering

Coolmay Wholesale plc control board company for environmental protection engineering

1 pcs
Delivery Time
3~7 working days
Trade Terms
EXW, FOB Shenzhen, CIF, Door to door.
Payment Terms
T/T, Western Union, PayPal,Wechat,Alipay,Aliexpress
Standard Export Cartons
DHL/UPS/FEDEX or parcel post
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Product Information of Coolmay Wholesale plc control board company for environmental protection engineering
I/O: 16DI/16DO
Application Scope
The plc controller produced by Coolmay is of high quality and is widely used in the Manufacturing Electrical Equipment & Supplies Electronic Accessories & Supplies industry.Coolmay insists on providing customers with one-stop and complete solution from the customer's perspective.
Product Comparison
Coolmay's plc controller is manufactured in strict accordance with relevant national standards. Every detail matters in the production. Strict cost control promotes the production of high-quality and priced-low product. Such a product is up to customers' needs for a highly cost-effective product.Compared with other products in the same category, plc controller produced by Coolmay has the following advantages.
Company Advantages
1. The offered Coolmay is developed by a team of diligent professionals.
2. It can be easily mounted. It is designed with careful integration with adjacent elements such as other wall claddings, roofs, and base of wall details.
3. The product features safety during operation. The electrical system and its relevant accessories all meet the requirements of IEC general standards.
4. With customizable printing and shape, this product can always make an item beautifully packaged and be attractive to the audience.

Product Description:

The device includes functions below 

16DI/16DO, transistor output,

two channel analog input 0-5V

RS232, RS485 port

Cutout size77*99mm122*99mm192*99mm277*99mm
InstallationFixed hole installation and DIN-Rail (35mm )
FeaturesSupport interrupt, linear arc interpolation, PID auto-tuning. 32K program capacity, 32K retentive register
I/O levelInput: Passive NPN, public terminal isolated
Transistor output: NPN
Relay output: Normally open dry contact
Digital I/O8DI/8DO12DI/12DO16DI/16DO24DI/24DO18DI/16DO32DI/32DO40DI/40DO
DO typeTransistor(MT) or mixed(2T6R)Relay(MR) or transistor(MT) or mixed(MRT)
(Relay output: max load 5A/ transistor output: max load 500mA)
High speed countingSingle phase 6 channel 60KHz, or 2 AB 60KHz + 1 AB 10KHz, or 2 ABZ 60KHz + 1 AB phase 10 KHz
High speed pulse8 channels, Y0-Y3 is 100KHz, Y4-Y7 is 10KHz
High-speed counting + high-speed pulse < 480KHz
Analog I/ONull6AI/4AO2AI8AI/4AO12AI/8AO16AI/8AO4AI/4AO
AI typeType E/K/S/T/J thermocouple/ PT100/ PT1000/ NTC10K/ NTC50K/ NTC100K/
(optional)0~10V/ 0~5V/ 0-20mA/ 4-20mA

 -5V~5V/ -10V~10V(except for CX3G-16M)
AO type0~10V/ 0-~5V/ 0~20mA/ 4~20mA
(optional)-5~5V/ -10~10V (2DA for 1 minus temperature)
Default COM port1 Mini type B USB port, 1 Rs232(Interface terminal is mouse female port with 8 holes), 2 RS485 ports
OptionalDefault 2 RS485 ports can be customized asDefault 2 RS485 ports can be customized as 1 RS485, 1 RS232,
1 RS485, 1 RS232,CAN (2.0A/B) port is optional
or 1 RS485, 1 CAN (2.0A/B),
or 1 RS232, 1 CAN (2.0A/B)
CX3G-48M can add Ethernet port.
SoftwareCompatible with WORKS 2


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 
* Software and manuals are free of charge.They are available on our website or please contact our sales team for download links.


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 


1.PLC can’t communication with PC (can’t monitor, can’t download)
There are several situations in which PLC and computer communication are not available. 
(1)PC serial port is broken, there is no way to use it.
(2)USB to 232 for laptop, the driver is not installed.
(3)PC serial port may leak, burn the PLC download protection resistor.
(4)Select wrong COM port on PC hardware.
(5)Can communicate, communication is unstable, check the line, try to replace the computer.
Summary: There are a variety of situations in which PLC can't download. It is recommended to use the replacement method to troubleshoot, such as replacing the computer, changing the download cable, replacing the PLC, etc.

2.PLC internal data (program) error 
Fault performance: data jumps, the program does not follow the normal execution. Possible causes:
(1)Use GX 8.52 or GX8.86 or Works 2 programming software not provided by our company, After replacing the software, turn off  

Company qualification:

Coolmay Wholesale plc control board company for environmental protection engineering-1

Company Features
1. Shenzhen Coolmay Technology Co., Ltd. is a key supplier and important strategic partner of many well-known plc control board groups at home and abroad.
2. We have imported a series of state-of-the-art manufacturing facilities. These facilities constantly underwent routine inspections and are maintained in good conditions. This will greatly support our whole production process.
3. Our company bears social responsibility. The development of new, more sustainable materials combined with more efficient resource use has reduced the environmental impact significantly. We act with honesty and integrity. We encourage every employee to speak the truth, never cheat on clients, or do sth that harm the interests of our clients.
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