1. Project Background
In a large smart building project, the client adopted a VAV (Variable Air Volume) control system to achieve efficient and energy-saving HVAC management.
They required an industrial panel PC capable of 24/7 continuous operation, embedded in their electrical control cabinet. The system demanded a control terminal with high reliability, strong communication capability, and stable real-time data processing performance.
2. Solution
The CESIPC EPC-S1222A Industrial Panel PC was selected as the core VAV Control Panel PC, enabling real-time monitoring and control of air volume, temperature, and sensor data in multiple zones.
Device Specifications:
- Display Size: 12-inch industrial-grade touchscreen
- Processor: 12th Gen Intel® CPU (high performance, low power)
- Interfaces: 3× RS-232/422/485 serial ports, 6× USB ports, 2× Gigabit Ethernet ports
- Cooling Design: Fanless and silent operation
- Mounting: Embedded panel installation
- Protection: IP65-rated front panel, ideal for control rooms or field environments
System Integration:
- Communicates with VAV boxes, temperature sensors, and VFDs (Variable Frequency Drives) via serial and Ethernet interfaces
- Supports BACnet/IP and Modbus TCP communication protocols
- Runs building automation software for data acquisition, trend analysis, and alarm management
- Enables remote monitoring and cloud synchronization for facility management teams
3. Results
✅ Achieved up to 25% energy savings through zone-based air volume regulation
✅ Reduced system response time by 40%, improving occupant comfort
✅ Delivered continuous, 24/7 operation for over 12 months without failure
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