Coolmay EX3S Series 4.3 Inch HMI PLC All-In-One Controller with 12DI/12DO and RS232 RS485 Communication for Industrial Automation

The Coolmay EX3S-8043H-24MT is a compact 4.3-inch HMI/PLC all-in-one controller featuring RS232 and RS485 interfaces with Modbus RTU protocol support and optional Ethernet functionality. This versatile controller is ideal for temperature, humidity, and compressor control applications.

1. Compact & Space-Saving Design: Integrates logic control, HMI, analog I/O, temperature control, and weighing modules into a single unit. Features a compact design with a volume reduced by 60%.
2. Enhanced Performance: Delivers HMI-PLC integration for superior operation.
3. High-Speed I/O: Offers 100 kHz high-speed pulse outputs and 100 kHz high-speed inputs.
4. Powerful Communication: Built-in 3 communication ports: 2x RS232 + 1x RS485.
5. Flexible Configuration: Supports program download via USB or Ethernet, and configuration updates via USB drive.

Coolmay products are fully compliant with CE and RoHS regulations and manufactured under ISO 9001-certified quality management systems.

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 including PLCs, HMI+PLC all-in-one machines, HMIs, power supplies, servo drives, stepper drives, VFDs, and IoT modules—engineered for precision and efficiency in smart manufacturing.

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• 18-Month Manufacturer Warranty: Covers hardware defects and system malfunctions under normal use
• Lifetime Technical Support: Remote assistance available for configuration, firmware, and integration
• Returns & Exchanges: For damaged shipments, please contact us within 3 days with photo evidence