➤Product Features
Based on Linux system, which is stable, efficient, safe and reliable
Diversified functional modules:multifunctional and control diversification
Multiple interface embedding:RS485/RS232/Type-C
download port/SD card port
High-standard quality control:Qualified by RoHS and CE
Protection class:IP65(front panel)
Parameters of HMI Part:
Display Size: 7 Inches TFT
RAM: 128MB
ROM: NAND Flash 128MB
CPU: 1GHz Dual Core
Download Port : Type-C
Features: 60K colors resistive panel, can be displayed in portrait
Display Language: Chinese and English
Parameters of PLC Part:
Programming software: Coolmay vtool pro / Works2
Accuracy: 12 bits
Digital outputs (DO) type: Transistor Output
Input I/O level: Passive NPN, public terminal isolated
Transistor output I/O level: NPN
Allowed max current: MOS: 2A/ Transistor: 500mA
Loom voltage: DC12V~48V
Circuit insulation: Optocoupler insulation
Isolation voltage (power supply - external terminal):1500V AC
On response time: High speed output 10μs, others 0.5ms
High speed pulse: 4 channels, Y0-Y3 =200KHz
(Support customized 4 channels to control Motor)
High speed output frequency: 200KHz
PLC switch: Move the DIP switch on the back of the panel to "R" (Run)
Output level: COM port connects negative terminal
Isolation method: Photoelectric coupling
Input resistance: High speed input terminal 3.3KΩ/Ordinary input terminal 4.3ΚΩ
Input is ON: High speed input > 4.5mA/Ordinary input > 3.5mA
Input is OFF: Input < 1.5mA
Filter function: Filter can set from 0-100ms, default as 10ms
High speed counting: 4 single-phase (X0-X3)200KHZ
Input level: COM port connects negative terminal
Working temperature: 0°C~50°C
Relative humidity: 5%~95%RH
Technical Specifications
| Specification | Descriptions |
| Model | EX3S-8070H |
| Display Size | 7 inch |
| Working environment temperature | -20°C~60°C (no freezing) |
| Working environment humidity | 20~90% (non-condensing) |
| RAM / Flash | 128MB DDR + 128MB NAND FLASH |
| CPU | 1GHz. Dual Core |
| USB download port | Yes |
| SD Card port | Yes |
| Serial interface | RS485 RS232 |
➤ Application Scenarios
➤About Us
Founded in March 2006, Coolmay stands as a premier brand in industrial automation, serving over 10,000 customers across 200+ countries. Our team of 200+ global professionals, including 40+ R&D specialists, has completed 55,000+ projects and secured 60+ intellectual property rights. We deliver advanced, reliable solutions—PLC,HMI+PLC all-in-one machines, HMI, power supply, servo drives, stepper drives, VFDs, and loT modules—engineered for precision and efficiency in smart manufacturing.
➤ Certifications
Coolmay products are fully compliant with CE and RoHS regulations, and are manufactured under ISO 9001-certified quality management systems.
➤Payment Methods
We accept a variety of secure payment methods on AliExpress, including Western Union, WeChat, AliPay, and PayPal (where available), as well as international bank transfers (T/T). All transactions are protected under AliExpress Buyer Protection for your peace of mind.
➤Warranty & After-Sales Service
1. 18-Month Manufacturer Warranty
Covers hardware defects and system malfunctions under normal use.
2. Lifetime Technical Support
Remote assistance available for configuration, firmware, and integration.
3. Returns & Exchanges
For damaged shipments, please contact us within 3 days with photo evidence.
➤Contact Us Anytime
Feel free to reach out for support, documentation, or firmware files. We will respond within 24 hours.
Email: cm2@coolmay.net,WhatsApp: +86 199-2529-1353,WeChat: +86 199-2529-1353
Product Tags:
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Coolmay 7 Inch HMI PLC Combo with Dual-Core CPU and RS485 RS232 Images
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